:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --secondary: #6b7280;
  --bg: #f9fafb;
  --header-bg: #ffffff;
  --text: #111827;
  --text-secondary: #6b7280;
  --card-bg: #ffffff;
  --border: #e5e7eb;
  --break-bg: #fffbeb;
  --break-border: #f59e0b;
  --break-text: #92400e;
  --active-glow: rgba(79, 70, 229, 0.15);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.09);
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
}

[data-theme="dark"] {
  --primary: #818cf8;
  --primary-hover: #6366f1;
  --secondary: #9ca3af;
  --bg: #18191f;
  --header-bg: #242731;
  --text: #d1d5db;
  --text-secondary: #9ca3af;
  --card-bg: #242731;
  --border: #374151;
  --break-bg: #2a2210;
  --break-border: #d97706;
  --break-text: #fde68a;
  --active-glow: rgba(129, 140, 248, 0.14);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

/* ── Header ── */
header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem;
}
.theme-toggle svg {
  width: 28px;
  height: 28px;
  display: block;
  transition: fill 0.2s;
  color: var(--primary);
}
[data-theme="dark"]  .theme-toggle svg { color: #ffe066; }
[data-theme="light"] .theme-toggle svg { color: #333; }

/* ── Main ── */
main {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 4rem;
}

/* ── Live Tracker ── */
.live-tracker-section { margin-bottom: 1.75rem; }

.tracker-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.75rem 2rem 1.4rem;
  box-shadow: var(--shadow-md);
  border: 1.5px solid var(--border);
  text-align: center;
  transition: border-color 0.4s, box-shadow 0.4s;
}
.tracker-card.active-shift {
  border-color: var(--primary);
  box-shadow: 0 4px 24px var(--active-glow);
}
.tracker-card.on-break {
  border-color: var(--break-border);
  box-shadow: 0 4px 24px rgba(245, 158, 11, 0.16);
}

.tracker-clock {
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 0.35rem;
}
.tracker-status {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.tracker-detail {
  font-size: 0.87rem;
  color: var(--text-secondary);
  margin-bottom: 0.7rem;
}
.tracker-progress-wrap {
  background: var(--border);
  border-radius: 100px;
  height: 7px;
  max-width: 400px;
  margin: 0 auto 0.65rem;
  overflow: hidden;
}
.tracker-progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 100px;
  transition: width 1s linear, background 0.4s;
}
.tracker-next {
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.tracker-next strong { color: var(--text); font-weight: 600; }

/* ── Two-column layout ── */
.layout-columns {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* ── Setup Panel ── */
.setup-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.setup-block {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
}

.setup-block-title {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}

/* Shift time inputs */
.time-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}
.time-inputs > div {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

input[type="time"],
input[type="number"],
input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.65rem;
  font-size: 0.88rem;
  color: var(--text);
  font-family: 'Poppins', sans-serif;
  width: 100%;
  transition: border-color 0.2s;
}
input:focus { outline: none; border-color: var(--primary); }

/* Add spot form */
.add-spot-form {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.65rem;
}

.add-spot-row {
  display: flex;
  gap: 0.45rem;
  align-items: stretch;
}
.spot-name-input { flex: 1; }

.spot-break-toggle {
  margin-top: 0.1rem;
}

.spot-dur-group {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 0.5rem;
  gap: 0.2rem;
  transition: border-color 0.2s;
}
.spot-dur-group:focus-within { border-color: var(--primary); }

.spot-dur-input {
  width: 3rem;
  border: none;
  background: transparent;
  padding: 0.5rem 0;
  font-size: 0.88rem;
  color: var(--text);
  font-family: 'Poppins', sans-serif;
}
.spot-dur-input:focus { outline: none; }

.dur-unit {
  font-size: 0.72rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.btn-add {
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}
.btn-add:hover { background: var(--primary-hover); }

/* Spots list */
.spots-empty {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-align: center;
  padding: 0.5rem 0 0.25rem;
}

.spot-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.35rem;
}

.spot-color-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.spot-row-info { flex: 1; min-width: 0; }

.spot-row-name {
  font-size: 0.86rem;
  font-weight: 500;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spot-row-dur {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.spot-row-actions { display: flex; gap: 0.2rem; }

.spot-action-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  width: 1.5rem;
  height: 1.5rem;
  cursor: pointer;
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.spot-action-btn:hover:not([disabled]) {
  background: var(--border);
  color: var(--text);
}
.spot-action-btn[disabled] { opacity: 0.28; cursor: default; }
.spot-del { font-size: 0.9rem; }
.spot-del:hover:not([disabled]) {
  background: #ef4444;
  border-color: #ef4444;
  color: white;
}

/* Break spots in builder list */
.spot-row.is-break {
  border-color: var(--break-border);
  background: var(--break-bg);
}

/* Checkbox toggle on add form */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkbox-custom {
  width: 1rem;
  height: 1rem;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  background: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.65rem;
  color: white;
  font-weight: 700;
  transition: all 0.15s;
}
.checkbox-label input:checked + .checkbox-custom {
  background: var(--break-border);
  border-color: var(--break-border);
}
.checkbox-label input:checked + .checkbox-custom::after { content: '✓'; }

/* Break spots inside rotation timeline */
.spot-row-tl.is-break {
  background: var(--break-bg);
}
.spot-row-tl.is-break .spot-name-tl {
  color: var(--break-text);
}
.spot-row-tl.is-break .spot-time-tl {
  color: var(--break-text);
  opacity: 0.75;
}
.spot-row-tl.is-break.is-active {
  background: var(--break-bg);
  box-shadow: inset 3px 0 0 var(--break-border);
}

/* Rotation summary */
.rotation-summary {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.6rem;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--border);
  line-height: 1.6;
}

/* Break config */
.break-config-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.86rem;
  color: var(--text-secondary);
}
.break-config-row input { width: 4rem; }

/* Danger button */
.btn-danger {
  background: transparent;
  color: #ef4444;
  border: 1px solid #ef4444;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: 'Poppins', sans-serif;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  width: 100%;
}
.btn-danger:hover { background: #ef4444; color: white; }

/* ── Schedule Panel ── */
.schedule-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow);
}

.schedule-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.1rem;
  gap: 1rem;
}

.schedule-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.schedule-empty {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 2.5rem 1rem;
}

/* ── Rotation blocks ── */
.rot-block {
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: opacity 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.rot-block.is-past { opacity: 0.42; }
.rot-block.is-active-rot {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--active-glow);
}

.rot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.85rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.rot-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-secondary);
}
.rot-time {
  font-size: 0.73rem;
  color: var(--text-secondary);
}

/* Spot rows inside timeline rotation */
.spot-row-tl {
  display: grid;
  grid-template-columns: 8px 1fr auto 72px;
  gap: 0 0.7rem;
  align-items: center;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
  transition: background 0.25s, opacity 0.25s;
}
.spot-row-tl:last-child { border-bottom: none; }

.spot-row-tl.is-active { background: var(--bg); }
.spot-row-tl.is-past   { opacity: 0.45; }

.spot-dot-tl {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.spot-row-tl.is-active .spot-dot-tl {
  animation: dot-pulse 2s ease-in-out infinite;
}

.spot-name-tl {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.spot-row-tl.is-active .spot-name-tl { font-weight: 600; }

.spot-time-tl {
  font-size: 0.73rem;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.spot-bar-wrap {
  height: 5px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}
.spot-bar-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 1s linear;
}

/* ── Break blocks ── */
.break-block-tl {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.5rem;
  background: var(--break-bg);
  border: 1px solid var(--break-border);
  border-radius: var(--radius-sm);
  transition: opacity 0.3s, box-shadow 0.3s;
  opacity: 0.72;
}
.break-block-tl.is-active {
  opacity: 1;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}
.break-block-tl.is-past { opacity: 0.32; }

.break-tl-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}
.break-tl-icon { font-size: 1rem; flex-shrink: 0; }

.break-tl-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--break-text);
}
.break-tl-time {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.break-bar-wrap {
  width: 72px;
  height: 5px;
  background: rgba(245, 158, 11, 0.2);
  border-radius: 100px;
  overflow: hidden;
  flex-shrink: 0;
}
.break-bar-fill {
  height: 100%;
  background: var(--break-border);
  border-radius: 100px;
  transition: width 1s linear;
}

/* ── Footer ── */
footer {
  text-align: center;
  margin: 2rem 0;
  color: var(--secondary);
}
.footer-content {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-left {
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.footer-right {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  flex-wrap: wrap;
}
.footer-icon {
  width: 28px;
  height: 28px;
  vertical-align: middle;
  transition: transform 0.15s;
}
.footer-icon:hover { transform: scale(1.12); }

.footer-icon[src*="bluesky"]  { filter: invert(31%) sepia(98%) saturate(1200%) hue-rotate(180deg); }
.footer-icon[src*="discord"]  { filter: brightness(0) saturate(100%) invert(56%) sepia(74%) saturate(6335%) hue-rotate(224deg) brightness(96%) contrast(97%); }
.footer-icon[src*="linkedin"] { filter: invert(34%) sepia(91%) saturate(745%) hue-rotate(173deg); }
.footer-icon[src*="twitch"]   { filter: brightness(0) saturate(100%) invert(40%) sepia(58%) saturate(4143%) hue-rotate(239deg) brightness(98%) contrast(101%); }
.footer-icon[src*="youtube"]  { filter: invert(16%) sepia(94%) saturate(7491%) hue-rotate(353deg); }

/* ── Animations ── */
@keyframes dot-pulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.7; }
}

/* ── Responsive ── */
@media (max-width: 820px) {
  .layout-columns { grid-template-columns: 1fr; }
  .tracker-clock  { font-size: 2.2rem; }
  .tracker-status { font-size: 1.15rem; }
}

@media (max-width: 600px) {
  .footer-content { flex-direction: column; align-items: flex-start; gap: 0.7rem; }
  .footer-right   { gap: 0.9rem; }
}

@media (max-width: 480px) {
  main { padding: 1.25rem 1rem 3rem; }
  .tracker-clock  { font-size: 1.85rem; letter-spacing: 1px; }
  .spot-row-tl    { grid-template-columns: 8px 1fr auto; }
  .spot-bar-wrap  { display: none; }
  .break-bar-wrap { display: none; }
}