/* ===== Reset & Variables ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --bg-primary: #030712;
  --bg-secondary: #0a0f1e;
  --bg-tertiary: #0e1530;
  --bg-card: rgba(12, 20, 45, 0.7);
  --bg-card-hover: rgba(18, 28, 58, 0.85);
  --bg-input: #060b18;
  --border-color: rgba(99, 102, 241, 0.08);
  --border-hover: rgba(99, 102, 241, 0.2);
  --text-primary: #eef2ff;
  --text-secondary: #94a3c8;
  --text-muted: #4a5580;
  --tasks-color: #6366f1;
  --progress-color: #f59e0b;
  --later-color: #8b5cf6;
  --done-color: #10b981;
  --accent-blue: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-red: #ef4444;
  --neon-blue: #818cf8;
  --neon-purple: #c084fc;
  --neon-cyan: #22d3ee;
  --neon-green: #34d399;
  --neon-pink: #f472b6;
  --neon-orange: #fb923c;
  --shadow-card:
    0 4px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 102, 241, 0.04);
  --shadow-modal: 0 30px 100px rgba(0, 0, 0, 0.8);
  --shadow-glow-blue: 0 0 60px rgba(99, 102, 241, 0.12);
  --shadow-neon:
    0 0 30px rgba(99, 102, 241, 0.15), 0 0 60px rgba(168, 85, 247, 0.05);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* ===== Splash Screen ===== */
.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #030712;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.6s ease,
    visibility 0.6s ease;
}
.splash-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.splash-content {
  text-align: center;
  animation: splashFadeIn 0.8s ease both;
}
@keyframes splashFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.splash-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.12),
    rgba(168, 85, 247, 0.12)
  );
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 40px rgba(99, 102, 241, 0.15),
    0 0 80px rgba(168, 85, 247, 0.08);
  animation: splashLogoPulse 2s ease-in-out infinite alternate;
}
@keyframes splashLogoPulse {
  0% {
    box-shadow:
      0 0 40px rgba(99, 102, 241, 0.15),
      0 0 80px rgba(168, 85, 247, 0.08);
  }
  100% {
    box-shadow:
      0 0 50px rgba(99, 102, 241, 0.25),
      0 0 100px rgba(168, 85, 247, 0.12);
  }
}
.splash-title {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.3));
}
.splash-tagline {
  font-size: 0.85rem;
  color: #4a5580;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.splash-features {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 32px;
}
.splash-chip {
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.12);
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #94a3c8;
  animation: splashChipIn 0.6s ease both;
}
.splash-chip:nth-child(1) {
  animation-delay: 0.3s;
}
.splash-chip:nth-child(2) {
  animation-delay: 0.45s;
}
.splash-chip:nth-child(3) {
  animation-delay: 0.6s;
}
@keyframes splashChipIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.splash-loader {
  width: 160px;
  height: 3px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 3px;
  margin: 0 auto;
  overflow: hidden;
}
.splash-loader-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #a855f7, #6366f1);
  background-size: 200% 100%;
  border-radius: 3px;
  animation:
    splashLoad 1.8s ease forwards,
    splashShimmer 1s linear infinite;
}
@keyframes splashLoad {
  0% {
    width: 0%;
  }
  40% {
    width: 60%;
  }
  80% {
    width: 90%;
  }
  100% {
    width: 100%;
  }
}
@keyframes splashShimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.15);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.3);
}
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: #fff;
}

/* ===== Header ===== */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 18px 28px;
  background: rgba(6, 10, 24, 0.8);
  backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid rgba(99, 102, 241, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(99, 102, 241, 0.2),
    rgba(168, 85, 247, 0.2),
    transparent
  );
}
.header-center {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 4px;
}
.logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.15),
    rgba(168, 85, 247, 0.15)
  );
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 20px rgba(99, 102, 241, 0.1),
    inset 0 0 20px rgba(99, 102, 241, 0.05);
}
.header h1 {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(
    135deg,
    #fff 0%,
    var(--neon-blue) 50%,
    var(--neon-purple) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.3));
}
.subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 1px;
  letter-spacing: 0.02em;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.btn-new-task {
  display: none;
}

/* ===== Floating Action Button ===== */
.fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 150;
  box-shadow:
    0 6px 32px rgba(99, 102, 241, 0.45),
    0 0 0 0 rgba(99, 102, 241, 0),
    0 0 40px rgba(99, 102, 241, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: all 0.3s var(--ease);
  animation: fabGlow 3s ease-in-out infinite alternate;
}
@keyframes fabGlow {
  0% {
    box-shadow:
      0 6px 32px rgba(99, 102, 241, 0.4),
      0 0 40px rgba(99, 102, 241, 0.1);
  }
  100% {
    box-shadow:
      0 6px 32px rgba(168, 85, 247, 0.5),
      0 0 60px rgba(168, 85, 247, 0.15);
  }
}
.fab:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow:
    0 10px 50px rgba(99, 102, 241, 0.55),
    0 0 0 6px rgba(99, 102, 241, 0.08),
    0 0 60px rgba(99, 102, 241, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.fab:active {
  transform: translateY(-1px) scale(0.97);
}

.btn-pomodoro {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.btn-pomodoro:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.1);
}
.btn-pomodoro.active {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.15);
}

/* ===== Streak Button ===== */
.btn-streak {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  background: rgba(245, 158, 11, 0.04);
  border: 1px solid rgba(245, 158, 11, 0.1);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.btn-streak:hover {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--text-secondary);
  transform: translateY(-1px);
}
.btn-streak .streak-count {
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--text-muted);
  min-width: 14px;
  text-align: center;
  transition: color 0.3s;
}
.btn-streak .streak-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 500;
}
.btn-streak.streak-active {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.08);
}
.btn-streak.streak-active .streak-count {
  color: #fbbf24;
  text-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
}
.btn-streak.streak-active .streak-label {
  color: #fbbf24;
}
.btn-streak.streak-active svg {
  color: #fbbf24;
  filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.5));
}
.btn-streak.streak-risk {
  border-color: rgba(239, 68, 68, 0.2);
  animation: streakPulse 2s ease-in-out infinite;
}
.btn-streak.streak-risk .streak-count {
  color: var(--accent-orange);
}
.btn-streak.streak-risk svg {
  color: var(--accent-orange);
}
@keyframes streakPulse {
  0%,
  100% {
    border-color: rgba(239, 68, 68, 0.12);
  }
  50% {
    border-color: rgba(245, 158, 11, 0.4);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.08);
  }
}

/* ===== Habits & Theme Buttons ===== */
.btn-habits {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  background: rgba(168, 85, 247, 0.06);
  border: 1px solid rgba(168, 85, 247, 0.15);
  color: var(--neon-purple);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  text-decoration: none;
}
.btn-habits:hover {
  background: rgba(168, 85, 247, 0.12);
  border-color: rgba(168, 85, 247, 0.35);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.1);
}
.btn-theme {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.btn-theme:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

/* ===== Drag Over States ===== */
.cal-cell-dragover {
  background: rgba(99, 102, 241, 0.1) !important;
  box-shadow: inset 0 0 0 2px rgba(99, 102, 241, 0.3);
  border-radius: 4px;
}
.cal-task[draggable="true"] {
  cursor: grab;
}
.cal-task[draggable="true"]:active {
  cursor: grabbing;
}
.gantt-cell-dragover {
  background: rgba(99, 102, 241, 0.1) !important;
  box-shadow: inset 0 0 0 2px rgba(99, 102, 241, 0.3);
}
.gantt-bar[draggable="true"] {
  cursor: grab;
}
.gantt-bar[draggable="true"]:active {
  cursor: grabbing;
}
.gantt-task-info[draggable="true"] {
  cursor: grab;
}

/* ===== Stat Icons ===== */
.stat-icon {
  font-size: 1.1rem;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}
.stat-icon-total {
  color: var(--neon-blue);
  background: rgba(99, 102, 241, 0.1);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.08);
}
.stat-icon-progress {
  color: var(--neon-orange);
  background: rgba(245, 158, 11, 0.1);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.08);
}
.stat-icon-done {
  color: var(--neon-green);
  background: rgba(16, 185, 129, 0.1);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.08);
}
.stat-icon-overdue {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.1);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.08);
}

/* ===== View Tabs ===== */
.view-tabs {
  display: flex;
  gap: 4px;
  margin-top: 14px;
}
.view-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.view-tab:hover {
  color: var(--text-secondary);
  background: rgba(99, 102, 241, 0.04);
}
.view-tab.active {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--neon-blue);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.06);
}
.view-tab svg {
  opacity: 0.6;
}
.view-tab.active svg {
  opacity: 1;
}

/* ===== Stats Bar ===== */
.stats-bar {
  display: flex;
  gap: 12px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(6, 10, 24, 0.4);
}
.stat-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  flex: 1;
  transition: all 0.25s var(--ease);
  backdrop-filter: blur(8px);
}
.stat-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.stat-info {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===== Pomodoro Panel — Premium Neon ===== */
.pomo-panel {
  position: fixed;
  top: 70px;
  right: -400px;
  width: 360px;
  background: rgba(6, 10, 24, 0.95);
  backdrop-filter: blur(30px) saturate(1.5);
  border: 1px solid rgba(239, 68, 68, 0.1);
  border-right: none;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
  padding: 28px;
  z-index: 200;
  transition: right 0.5s var(--ease-spring);
  box-shadow:
    -10px 0 80px rgba(0, 0, 0, 0.6),
    0 0 60px rgba(239, 68, 68, 0.05);
  overflow: hidden;
}
.pomo-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    #ef4444,
    #f59e0b,
    transparent
  );
  opacity: 0.6;
}
.pomo-panel::after {
  content: "";
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle,
    rgba(239, 68, 68, 0.06) 0%,
    transparent 70%
  );
  pointer-events: none;
}
.pomo-panel.open {
  right: 0;
}
.pomo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.pomo-header h3 {
  font-size: 1rem;
  font-weight: 700;
}
.pomo-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  line-height: 1;
}
.pomo-close:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}
.pomo-modes {
  display: flex;
  gap: 6px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.pomo-mode {
  flex: 1;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.pomo-mode:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}
.pomo-mode.active {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #f87171;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.08);
}
.pomo-display {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.pomo-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.pomo-ring-bg {
  fill: none;
  stroke: rgba(99, 102, 241, 0.06);
  stroke-width: 5;
}
.pomo-ring-progress {
  fill: none;
  stroke: url(#pomoGrad);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 565.48;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
  filter: drop-shadow(0 0 8px rgba(239, 68, 68, 0.4));
}
.pomo-time {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff, #f87171);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  z-index: 1;
  filter: drop-shadow(0 0 20px rgba(239, 68, 68, 0.2));
}
.pomo-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  z-index: 1;
  margin-top: 2px;
}
.pomo-task-select {
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.pomo-task-select label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}
.pomo-task-select select {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.78rem;
  outline: none;
  appearance: none;
  cursor: pointer;
}
.pomo-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.pomo-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.pomo-start {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  box-shadow:
    0 4px 20px rgba(16, 185, 129, 0.35),
    0 0 30px rgba(16, 185, 129, 0.1);
}
.pomo-start:hover {
  box-shadow:
    0 6px 30px rgba(16, 185, 129, 0.5),
    0 0 40px rgba(16, 185, 129, 0.15);
  transform: translateY(-1px);
}
.pomo-pause {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
  box-shadow:
    0 4px 20px rgba(239, 68, 68, 0.35),
    0 0 30px rgba(239, 68, 68, 0.1);
}
.pomo-pause:hover {
  box-shadow:
    0 6px 30px rgba(239, 68, 68, 0.5),
    0 0 40px rgba(239, 68, 68, 0.15);
  transform: translateY(-1px);
}
.pomo-reset {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.pomo-reset:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}
.pomo-sessions {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  z-index: 1;
}
.pomo-sessions span {
  color: #f87171;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(239, 68, 68, 0.3);
}

/* Pomodoro Glow Ring */
.pomo-glow-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    rgba(239, 68, 68, 0.15),
    rgba(245, 158, 11, 0.1),
    rgba(239, 68, 68, 0.05),
    rgba(245, 158, 11, 0.15),
    rgba(239, 68, 68, 0.15)
  );
  opacity: 0;
  transition: opacity 0.5s;
  filter: blur(12px);
  animation: none;
}
.pomo-panel.pomo-running .pomo-glow-ring {
  opacity: 1;
  animation: pomoGlowSpin 4s linear infinite;
}
@keyframes pomoGlowSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Pomodoro Particles */
.pomo-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.pomo-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #ef4444;
  opacity: 0;
  animation: pomoParticleFloat 3s ease-in-out infinite;
}
@keyframes pomoParticleFloat {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }
  20% {
    opacity: 0.8;
    transform: translateY(-20px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-80px) scale(0.3);
  }
}

/* ===== Views Container ===== */
.views-container {
  padding: 0;
  position: relative;
  z-index: 1;
  overflow-x: hidden;
}
.view-panel {
  display: none;
  animation: viewFadeIn 0.45s var(--ease);
}
.view-panel.active {
  display: block;
}
@keyframes viewFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== KANBAN VIEW ===== */
.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 28px;
  min-height: calc(100vh - 200px);
}
.column {
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  min-height: 300px;
  transition: all 0.3s var(--ease);
  overflow: hidden;
  position: relative;
}

/* Column Colors — Neon Gradients */
.col-tasks {
  background: linear-gradient(
    180deg,
    rgba(99, 102, 241, 0.08) 0%,
    rgba(99, 102, 241, 0.02) 30%,
    var(--bg-secondary) 100%
  );
  border: 1px solid rgba(99, 102, 241, 0.12);
}
.col-tasks .column-header {
  border-bottom: 1px solid rgba(99, 102, 241, 0.08);
  background: rgba(99, 102, 241, 0.03);
}
.col-tasks .column-dot {
  background: var(--neon-blue);
  box-shadow:
    0 0 12px rgba(99, 102, 241, 0.7),
    0 0 24px rgba(99, 102, 241, 0.3);
}
.col-tasks .column-title {
  color: var(--neon-blue);
}
.col-tasks .column-count {
  background: rgba(99, 102, 241, 0.12);
  color: var(--neon-blue);
}

.col-in-progress {
  background: linear-gradient(
    180deg,
    rgba(245, 158, 11, 0.08) 0%,
    rgba(245, 158, 11, 0.02) 30%,
    var(--bg-secondary) 100%
  );
  border: 1px solid rgba(245, 158, 11, 0.12);
}
.col-in-progress .column-header {
  border-bottom: 1px solid rgba(245, 158, 11, 0.08);
  background: rgba(245, 158, 11, 0.03);
}
.col-in-progress .column-dot {
  background: var(--neon-orange);
  box-shadow:
    0 0 12px rgba(245, 158, 11, 0.7),
    0 0 24px rgba(245, 158, 11, 0.3);
}
.col-in-progress .column-title {
  color: #fbbf24;
}
.col-in-progress .column-count {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
}

.col-will-see-later {
  background: linear-gradient(
    180deg,
    rgba(168, 85, 247, 0.06) 0%,
    rgba(168, 85, 247, 0.02) 30%,
    var(--bg-secondary) 100%
  );
  border: 1px solid rgba(168, 85, 247, 0.1);
}
.col-will-see-later .column-header {
  border-bottom: 1px solid rgba(168, 85, 247, 0.08);
  background: rgba(168, 85, 247, 0.03);
}
.col-will-see-later .column-dot {
  background: var(--neon-purple);
  box-shadow:
    0 0 12px rgba(168, 85, 247, 0.7),
    0 0 24px rgba(168, 85, 247, 0.3);
}
.col-will-see-later .column-title {
  color: var(--neon-purple);
}
.col-will-see-later .column-count {
  background: rgba(168, 85, 247, 0.1);
  color: var(--neon-purple);
}

.col-done {
  background: linear-gradient(
    180deg,
    rgba(16, 185, 129, 0.08) 0%,
    rgba(16, 185, 129, 0.02) 30%,
    var(--bg-secondary) 100%
  );
  border: 1px solid rgba(16, 185, 129, 0.12);
}
.col-done .column-header {
  border-bottom: 1px solid rgba(16, 185, 129, 0.08);
  background: rgba(16, 185, 129, 0.03);
}
.col-done .column-dot {
  background: var(--neon-green);
  box-shadow:
    0 0 12px rgba(16, 185, 129, 0.7),
    0 0 24px rgba(16, 185, 129, 0.3);
}
.col-done .column-title {
  color: var(--neon-green);
}
.col-done .column-count {
  background: rgba(16, 185, 129, 0.12);
  color: var(--neon-green);
}

.column.drag-over {
  box-shadow:
    inset 0 0 60px rgba(99, 102, 241, 0.06),
    0 0 50px rgba(99, 102, 241, 0.1);
  border-color: var(--neon-blue) !important;
  transform: scale(1.01);
}
.column-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 16px 12px;
}
.column-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.column-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.column-count {
  margin-left: auto;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 22px;
  text-align: center;
}
.column-body {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  min-height: 100px;
}

/* ===== Task Card — Premium Neon ===== */
.task-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  cursor: grab;
  transition: all 0.25s var(--ease);
  position: relative;
  animation: cardSlideIn 0.4s var(--ease-bounce) both;
  backdrop-filter: blur(8px);
}
.task-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  opacity: 0;
  transition: opacity 0.25s;
}
.task-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), var(--shadow-neon);
}
.task-card:hover::before {
  opacity: 1;
}
.col-tasks .task-card::before {
  background: linear-gradient(90deg, #6366f1, var(--neon-blue));
}
.col-in-progress .task-card::before {
  background: linear-gradient(90deg, #f59e0b, var(--neon-orange));
}
.col-will-see-later .task-card::before {
  background: linear-gradient(90deg, #a855f7, var(--neon-purple));
}
.col-done .task-card::before {
  background: linear-gradient(90deg, #10b981, var(--neon-green));
}
.task-card.dragging {
  opacity: 0.35;
  transform: scale(0.95) rotate(2deg);
}
@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
@keyframes cardRemove {
  to {
    opacity: 0;
    transform: translateX(30px) scale(0.9);
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
  }
}

.task-card-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.drag-handle {
  color: var(--text-muted);
  font-size: 0.65rem;
  letter-spacing: 2px;
  cursor: grab;
  user-select: none;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.task-card:hover .drag-handle {
  opacity: 1;
}
.category-badge {
  font-size: 0.6rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.category-Coding {
  background: rgba(99, 102, 241, 0.12);
  color: var(--neon-blue);
}
.category-Design {
  background: rgba(236, 72, 153, 0.12);
  color: var(--neon-pink);
}
.category-Personal {
  background: rgba(168, 85, 247, 0.12);
  color: var(--neon-purple);
}
.category-Study {
  background: rgba(6, 182, 212, 0.12);
  color: var(--neon-cyan);
}
.category-Work {
  background: rgba(245, 158, 11, 0.12);
  color: var(--neon-orange);
}
.category-Other {
  background: rgba(148, 163, 184, 0.1);
  color: #94a3b8;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.s-tasks {
  background: var(--neon-blue);
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.6);
}
.status-dot.s-in-progress {
  background: var(--neon-orange);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
}
.status-dot.s-will-see-later {
  background: var(--neon-purple);
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.5);
}
.status-dot.s-done {
  background: var(--neon-green);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.task-card-title {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 3px;
}
.task-card-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.task-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}
.due-date {
  font-size: 0.65rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.due-date.overdue {
  color: var(--accent-red);
}
.due-date.soon {
  color: var(--accent-orange);
}
.subtask-progress {
  display: flex;
  align-items: center;
  gap: 6px;
}
.progress-bar {
  width: 44px;
  height: 3px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.4s var(--ease);
}
.col-tasks .progress-fill {
  background: var(--neon-blue);
  box-shadow: 0 0 6px rgba(99, 102, 241, 0.4);
}
.col-in-progress .progress-fill {
  background: var(--neon-orange);
  box-shadow: 0 0 6px rgba(245, 158, 11, 0.4);
}
.col-will-see-later .progress-fill {
  background: var(--neon-purple);
  box-shadow: 0 0 6px rgba(168, 85, 247, 0.4);
}
.col-done .progress-fill {
  background: var(--neon-green);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}
.progress-text {
  font-size: 0.6rem;
  color: var(--text-muted);
}

.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 80px 20px;
  text-align: center;
}
.empty-state.visible {
  display: flex;
}
.empty-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-secondary);
}
.empty-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.empty-desc .highlight {
  color: var(--neon-blue);
  font-weight: 600;
}
.drop-placeholder {
  border: 2px dashed rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-md);
  background: rgba(99, 102, 241, 0.03);
  min-height: 50px;
  animation: placeholderPulse 1.5s ease-in-out infinite;
}
@keyframes placeholderPulse {
  0%,
  100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

/* ===== CALENDAR VIEW ===== */
.calendar-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 28px;
}
.cal-nav-btns {
  display: flex;
  gap: 4px;
}
.cal-btn {
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}
.cal-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}
.cal-month-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-left: auto;
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--border-color);
  margin: 0 28px 28px;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.cal-header-cell {
  background: var(--bg-tertiary);
  padding: 10px;
  text-align: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cal-cell {
  background: var(--bg-secondary);
  min-height: 110px;
  padding: 8px;
  transition: background 0.2s;
}
.cal-cell:hover {
  background: var(--bg-card);
}
.cal-cell.today {
  background: rgba(99, 102, 241, 0.06);
}
.cal-cell.other-month {
  opacity: 0.25;
}
.cal-date {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.cal-cell.today .cal-date {
  color: var(--neon-blue);
  font-weight: 800;
  text-shadow: 0 0 12px rgba(99, 102, 241, 0.5);
}
.cal-task {
  font-size: 0.6rem;
  padding: 3px 6px;
  border-radius: 4px;
  margin-bottom: 2px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.2s;
  border-left: 3px solid transparent;
  font-weight: 500;
}
.cal-task:hover {
  filter: brightness(1.3);
  transform: translateX(2px);
}
.cal-task.s-tasks {
  background: rgba(99, 102, 241, 0.12);
  color: var(--neon-blue);
  border-left-color: #6366f1;
}
.cal-task.s-in-progress {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border-left-color: var(--progress-color);
}
.cal-task.s-will-see-later {
  background: rgba(168, 85, 247, 0.1);
  color: var(--neon-purple);
  border-left-color: #a855f7;
}
.cal-task.s-done {
  background: rgba(16, 185, 129, 0.12);
  color: var(--neon-green);
  border-left-color: var(--done-color);
}

/* ===== TIMELINE VIEW ===== */
.timeline-container {
  padding: 24px 28px;
  max-width: 1000px;
}
.timeline-group {
  margin-bottom: 8px;
  animation: viewFadeIn 0.4s var(--ease);
}
.timeline-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}
.timeline-group-header:hover {
  background: var(--bg-card);
}
.timeline-group-header.overdue-header {
  border-color: rgba(239, 68, 68, 0.15);
  background: rgba(239, 68, 68, 0.03);
}
.timeline-group-header.overdue-header .tg-title {
  color: var(--accent-red);
}
.timeline-group-header.soon-header {
  border-color: rgba(245, 158, 11, 0.15);
  background: rgba(245, 158, 11, 0.03);
}
.timeline-group-header.soon-header .tg-title {
  color: var(--accent-orange);
}
.timeline-group-header.future-header .tg-title {
  color: var(--neon-cyan);
}
.timeline-group-header.nodate-header .tg-title {
  color: var(--text-muted);
}
.tg-icon {
  font-size: 1rem;
}
.tg-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.tg-chevron {
  margin-left: auto;
  color: var(--text-muted);
  transition: transform 0.3s var(--ease);
  font-size: 0.75rem;
}
.timeline-group.collapsed .tg-chevron {
  transform: rotate(-90deg);
}
.timeline-group-body {
  overflow: hidden;
  transition:
    max-height 0.4s var(--ease),
    opacity 0.3s;
  max-height: 2000px;
  opacity: 1;
}
.timeline-group.collapsed .timeline-group-body {
  max-height: 0;
  opacity: 0;
}
.tl-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  margin: 6px 0 6px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.25s var(--ease);
  backdrop-filter: blur(8px);
}
.tl-card:hover {
  background: var(--bg-card-hover);
  transform: translateX(4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
}
.tl-card-main {
  flex: 1;
  min-width: 0;
}
.tl-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.tl-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tl-card-meta .category-badge {
  font-size: 0.58rem;
}
.tl-card-due {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* ===== GANTT VIEW ===== */
.gantt-wrapper {
  padding: 24px 28px;
  overflow-x: auto;
}
.gantt-scroll {
  position: relative;
  overflow-x: auto;
}
.gantt-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 900px;
}
.gantt-table th {
  padding: 8px 6px 10px;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--border-color);
  text-align: center;
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 2;
  line-height: 1.3;
}
.gantt-table th:first-child {
  text-align: left;
  min-width: 260px;
  padding-left: 16px;
  border-right: 2px solid var(--border-color);
}
.gantt-day-name {
  display: block;
  font-size: 0.55rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.gantt-day-num {
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-secondary);
  margin: 1px 0;
}
.gantt-day-num.gantt-today-num {
  color: var(--neon-blue);
  text-shadow: 0 0 12px rgba(99, 102, 241, 0.5);
}
.gantt-day-month {
  display: block;
  font-size: 0.5rem;
  color: var(--text-muted);
  opacity: 0.7;
}
.gantt-table td {
  padding: 0;
  border-bottom: 1px solid rgba(99, 102, 241, 0.04);
  height: 56px;
  position: relative;
}
.gantt-table td:first-child {
  padding: 10px 16px;
  border-right: 2px solid var(--border-color);
}
.gantt-table tr:hover td {
  background: rgba(99, 102, 241, 0.02);
}
.gantt-table tr:hover td:first-child {
  background: rgba(99, 102, 241, 0.04);
}
.gantt-weekend {
  background: rgba(255, 255, 255, 0.01) !important;
}
.gantt-task-info {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.gantt-task-info:hover .gantt-task-name {
  color: var(--text-primary);
}
.gantt-status-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  flex-shrink: 0;
}
.gantt-status-icon.s-tasks {
  background: rgba(99, 102, 241, 0.12);
  color: var(--neon-blue);
}
.gantt-status-icon.s-in-progress {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
}
.gantt-status-icon.s-will-see-later {
  background: rgba(168, 85, 247, 0.1);
  color: var(--neon-purple);
}
.gantt-status-icon.s-done {
  background: rgba(16, 185, 129, 0.12);
  color: var(--neon-green);
}
.gantt-task-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
  transition: color 0.2s;
}
.gantt-task-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
}
.gantt-task-meta .category-badge {
  font-size: 0.52rem;
  padding: 1px 5px;
}
.gantt-subtask-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.55rem;
  color: var(--text-muted);
  font-weight: 600;
}
.gantt-subtask-bar {
  display: inline-block;
  width: 28px;
  height: 3px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  vertical-align: middle;
}
.gantt-subtask-fill {
  display: block;
  height: 100%;
  background: var(--neon-green);
  border-radius: 2px;
}
.gantt-time-badge {
  font-size: 0.55rem;
  font-weight: 600;
  color: var(--neon-cyan);
  background: rgba(6, 182, 212, 0.08);
  padding: 1px 5px;
  border-radius: 4px;
}
.gantt-bar {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 0.6rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  min-width: 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}
.gantt-bar-text {
  overflow: hidden;
  text-overflow: ellipsis;
}
.gantt-bar:hover {
  filter: brightness(1.2);
  transform: translateY(-50%) scale(1.06);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}
.gantt-bar.s-tasks {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.4);
}
.gantt-bar.s-in-progress {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 2px 12px rgba(245, 158, 11, 0.4);
}
.gantt-bar.s-will-see-later {
  background: linear-gradient(135deg, #a855f7, #7c3aed);
  box-shadow: 0 2px 12px rgba(168, 85, 247, 0.4);
}
.gantt-bar.s-done {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 2px 12px rgba(16, 185, 129, 0.4);
}
.gantt-marker {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  opacity: 0.5;
}
.gantt-marker-created {
  background: var(--text-muted);
  box-shadow: 0 0 6px rgba(148, 163, 184, 0.3);
}
.gantt-today-col {
  background: rgba(99, 102, 241, 0.04) !important;
}
.gantt-today-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--neon-blue),
    rgba(99, 102, 241, 0.1)
  );
  z-index: 3;
  pointer-events: none;
}
.gantt-today-line::before {
  content: "TODAY";
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.48rem;
  font-weight: 800;
  color: var(--neon-blue);
  letter-spacing: 0.08em;
  background: var(--bg-primary);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  white-space: nowrap;
}
.gantt-today-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: -4px;
  width: 10px;
  height: 10px;
  background: var(--neon-blue);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.6);
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s var(--ease);
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  width: 90%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow:
    var(--shadow-modal),
    0 0 80px rgba(99, 102, 241, 0.05);
  transform: translateY(30px) scale(0.95);
  transition: all 0.4s var(--ease-bounce);
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.modal-header h2 {
  font-size: 1.15rem;
  font-weight: 700;
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  line-height: 1;
}
.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

/* ===== Form ===== */
.form-group {
  margin-bottom: 16px;
  flex: 1;
}
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 5px;
}
.optional {
  font-weight: 400;
  color: var(--text-muted);
}
input[type="text"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.84rem;
  transition: all 0.25s var(--ease);
  outline: none;
}
input:focus,
textarea:focus,
select:focus {
  border-color: var(--neon-blue);
  box-shadow:
    0 0 0 3px rgba(99, 102, 241, 0.1),
    0 0 20px rgba(99, 102, 241, 0.05);
}
input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}
select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%234a5580' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
.form-row {
  display: flex;
  gap: 14px;
}
.subtasks-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 8px;
}
.subtask-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  animation: subtaskIn 0.3s var(--ease-bounce);
}
@keyframes subtaskIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.subtask-item .subtask-text {
  flex: 1;
}
.subtask-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 4px;
  transition: color 0.2s;
  line-height: 1;
}
.subtask-remove:hover {
  color: var(--accent-red);
}
.subtask-input-row {
  display: flex;
  gap: 8px;
}
.subtask-input {
  flex: 1;
}
.btn-add-subtask {
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.btn-add-subtask:hover {
  background: var(--neon-blue);
  border-color: var(--neon-blue);
  color: #fff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.btn-create {
  padding: 10px 24px;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border: none;
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  box-shadow:
    0 4px 20px rgba(99, 102, 241, 0.35),
    0 0 30px rgba(99, 102, 241, 0.1);
}
.btn-create:hover {
  box-shadow:
    0 6px 30px rgba(99, 102, 241, 0.5),
    0 0 40px rgba(99, 102, 241, 0.15);
  transform: translateY(-1px);
}
.btn-cancel {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-cancel:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

/* ===== Detail Modal ===== */
.detail-modal {
  max-width: 480px;
}
.detail-section {
  margin-bottom: 14px;
}
.detail-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.detail-value {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.detail-subtasks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.detail-subtask {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 6px 0;
}
.detail-subtask input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--neon-green);
  cursor: pointer;
}
.detail-subtask.completed {
  text-decoration: line-through;
  opacity: 0.45;
}
.detail-actions {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}
.btn-delete {
  padding: 8px 16px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-delete:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--accent-red);
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.1);
}

/* ===== Status Picker ===== */
.detail-status-picker {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.status-option {
  padding: 7px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.status-option:hover {
  border-color: var(--status-color);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}
.status-option.active {
  background: color-mix(in srgb, var(--status-color) 15%, transparent);
  border-color: var(--status-color);
  color: var(--status-color);
  box-shadow: 0 0 15px color-mix(in srgb, var(--status-color) 20%, transparent);
}

/* ===== Time Spent ===== */
.detail-time-spent {
  padding: 12px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.time-spent-display {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--neon-cyan);
  margin-bottom: 8px;
}
.time-spent-display svg {
  opacity: 0.7;
}
.time-spent-value {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.time-spent-bar {
  width: 100%;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
}
.time-spent-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
  border-radius: 2px;
  transition: width 0.4s var(--ease);
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.3);
}
.time-spent-hint {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.card-time-badge {
  font-size: 0.58rem;
  font-weight: 600;
  color: var(--neon-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 1px 6px;
  border-radius: 6px;
  white-space: nowrap;
}
.tl-time-badge {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--neon-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 2px 7px;
  border-radius: 6px;
  white-space: nowrap;
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --bg-primary: #f5f7fb;
  --bg-secondary: #ffffff;
  --bg-tertiary: #eef1f8;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f4ff;
  --bg-input: #f5f7fb;
  --border-color: #dde3f0;
  --border-hover: #b8c4e0;
  --text-primary: #1a2035;
  --text-secondary: #4a5568;
  --text-muted: #8896ab;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-neon: none;
}
[data-theme="light"] body {
  background: var(--bg-primary);
}
[data-theme="light"] .header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: var(--border-color);
}
[data-theme="light"] .header::after {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(99, 102, 241, 0.1),
    rgba(168, 85, 247, 0.1),
    transparent
  );
}
[data-theme="light"] .header h1 {
  background: linear-gradient(135deg, #1a2035, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: none;
}
[data-theme="light"] .stats-bar {
  background: rgba(255, 255, 255, 0.6);
}
[data-theme="light"] .stat-card {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
  background: rgba(255, 255, 255, 0.8);
}
[data-theme="light"] .col-tasks {
  background: linear-gradient(
    180deg,
    rgba(99, 102, 241, 0.06) 0%,
    rgba(99, 102, 241, 0.01) 30%,
    #fff 100%
  );
  border-color: rgba(99, 102, 241, 0.12);
}
[data-theme="light"] .col-in-progress {
  background: linear-gradient(
    180deg,
    rgba(245, 158, 11, 0.06) 0%,
    rgba(245, 158, 11, 0.01) 30%,
    #fff 100%
  );
  border-color: rgba(245, 158, 11, 0.12);
}
[data-theme="light"] .col-will-see-later {
  background: linear-gradient(
    180deg,
    rgba(168, 85, 247, 0.05) 0%,
    rgba(168, 85, 247, 0.01) 30%,
    #fff 100%
  );
  border-color: rgba(168, 85, 247, 0.1);
}
[data-theme="light"] .col-done {
  background: linear-gradient(
    180deg,
    rgba(16, 185, 129, 0.06) 0%,
    rgba(16, 185, 129, 0.01) 30%,
    #fff 100%
  );
  border-color: rgba(16, 185, 129, 0.12);
}
[data-theme="light"] .task-card {
  background: #fff;
  border-color: var(--border-color);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .task-card:hover {
  background: var(--bg-card-hover);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .pomo-panel {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: -6px 0 40px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .pomo-panel::before {
  opacity: 0.3;
}
[data-theme="light"] .pomo-time {
  background: linear-gradient(135deg, #1a2035, #ef4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: none;
}
[data-theme="light"] .modal {
  background: #fff;
}
[data-theme="light"] .cal-cell {
  background: #fff;
}
[data-theme="light"] .cal-cell:hover {
  background: var(--bg-card-hover);
}
[data-theme="light"] .cal-cell.today {
  background: rgba(99, 102, 241, 0.05);
}
[data-theme="light"] .cal-header-cell {
  background: var(--bg-tertiary);
}
[data-theme="light"] .calendar-grid {
  background: var(--border-color);
}
[data-theme="light"] .tl-card {
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .tl-card:hover {
  background: var(--bg-card-hover);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .timeline-group-header {
  background: var(--bg-tertiary);
}
[data-theme="light"] .gantt-table th {
  background: var(--bg-primary);
}
[data-theme="light"] .gantt-today-line::before {
  background: var(--bg-primary);
}
[data-theme="light"] .detail-time-spent {
  background: var(--bg-tertiary);
}
[data-theme="light"] .btn-streak {
  background: rgba(245, 158, 11, 0.05);
  border-color: rgba(245, 158, 11, 0.2);
}
[data-theme="light"] .btn-theme {
  background: var(--bg-tertiary);
}
[data-theme="light"] .btn-theme:hover {
  background: var(--bg-card-hover);
  color: var(--accent-orange);
}
[data-theme="light"] .pomo-ring-bg {
  stroke: #dde3f0;
}
[data-theme="light"] .column-header {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .task-card-footer {
  border-top-color: rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .pomo-mode {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}
[data-theme="light"] .pomo-mode.active {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
}
[data-theme="light"] .pomo-task-select select {
  background: var(--bg-tertiary);
}
[data-theme="light"] .pomo-reset {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}
[data-theme="light"] .subtask-item {
  background: var(--bg-tertiary);
}
[data-theme="light"] .gantt-today-col {
  background: rgba(99, 102, 241, 0.06) !important;
}
[data-theme="light"] .gantt-weekend {
  background: rgba(0, 0, 0, 0.015) !important;
}
[data-theme="light"] .gantt-table td {
  border-bottom-color: rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .gantt-table td:first-child,
[data-theme="light"] .gantt-table th:first-child {
  border-right-color: var(--border-color);
}
[data-theme="light"] .gantt-table th {
  border-bottom-color: var(--border-color);
}
[data-theme="light"] .btn-pomodoro {
  background: rgba(239, 68, 68, 0.06);
  border-color: rgba(239, 68, 68, 0.18);
}
[data-theme="light"] .fab {
  box-shadow:
    0 6px 24px rgba(99, 102, 241, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  animation: none;
}
[data-theme="light"] .fab:hover {
  box-shadow:
    0 10px 36px rgba(99, 102, 241, 0.35),
    0 0 0 6px rgba(99, 102, 241, 0.06);
}
[data-theme="light"] ::selection {
  background: rgba(99, 102, 241, 0.2);
  color: #1a2035;
}
[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: #c4cdd8;
}
[data-theme="light"] .empty-title {
  color: var(--text-secondary);
}
[data-theme="light"] .drop-placeholder {
  border-color: rgba(99, 102, 241, 0.25);
  background: rgba(99, 102, 241, 0.04);
}
[data-theme="light"] .column.drag-over {
  box-shadow: inset 0 0 30px rgba(99, 102, 241, 0.05);
}
[data-theme="light"] .stat-icon {
  box-shadow: none;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .board {
    grid-template-columns: repeat(2, 1fr);
    padding: 20px 16px;
  }
  .stats-bar {
    flex-wrap: wrap;
  }
}
@media (max-width: 640px) {
  .header {
    padding: 14px;
    flex-wrap: wrap;
    gap: 10px;
  }
  .header-right {
    width: 100%;
    justify-content: flex-end;
  }
  .view-tabs {
    flex-wrap: wrap;
  }
  .board {
    grid-template-columns: 1fr;
    padding: 14px;
  }
  .modal {
    padding: 20px;
    width: 95%;
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .calendar-grid {
    margin: 0 14px 14px;
  }
  .calendar-controls {
    padding: 14px;
  }
  .gantt-wrapper,
  .timeline-container {
    padding: 14px;
  }
  .stats-bar {
    padding: 12px 14px;
    gap: 8px;
  }
  .stat-card {
    padding: 8px 10px;
  }
  .pomo-panel {
    width: 100%;
    border-radius: 0;
    top: auto;
    bottom: -100%;
    right: 0;
    transition: bottom 0.5s var(--ease-spring);
  }
  .pomo-panel.open {
    bottom: 0;
    right: 0;
  }
  .fab {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}

/* ===== Theme Transition ===== */
body,
.header,
.stats-bar,
.stat-card,
.column,
.task-card,
.modal,
.pomo-panel,
.cal-cell,
.cal-header-cell,
.calendar-grid,
.tl-card,
.timeline-group-header,
.gantt-table th,
.detail-time-spent,
.btn-streak,
.btn-theme,
.btn-pomodoro,
.fab,
.pomo-mode,
.pomo-btn,
.status-option,
.view-tab,
input,
textarea,
select {
  transition:
    background 0.35s var(--ease),
    color 0.35s var(--ease),
    border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

/* ===== Focus Visible ===== */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 2px solid var(--neon-blue);
  outline-offset: 2px;
}