:root {
  /* Dark (default) — soft, not harsh */
  --bg: #0b0f17;

  /* Surfaces */
  --surface: #121a26;         /* main panels */
  --surface-2: #161f2d;       /* inner panels / subtle contrast */

  /* Controls (inputs/buttons/tabs) — NOT super dark */
  --control: #1b2535;
  --control-hover: #222f44;

  /* Text + borders */
  --text: #e8eefc;
  --muted: #97a6c2;
  --border: #2a3a54;

  /* Actions */
  --accent: #4ea1ff;
  --danger: #ff4e4e;

  /* Effects */
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

/* Light theme — soft light (off-white + subtle gray surfaces) */
:root[data-theme="light"] {
  --bg: #f4f6fb;

  --surface: #ffffff;
  --surface-2: #f0f3f9;

  --control: #ffffff;
  --control-hover: #f3f6fb;

  --text: #0b1220;
  --muted: #4b5a73;
  --border: #d6deea;

  --accent: #1f6feb;
  --danger: #c62828;

  --shadow: 0 10px 26px rgba(12, 18, 32, .10);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Layout */
.container {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 18px;
}

.card {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 18px;
  /*box-shadow: var(--shadow);*/
  background: var(--surface);
}

.cardIndex {
  width: 100%;
  font-size: 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 18px;
  /*box-shadow: var(--shadow);*/
  background: var(--surface);
  text-align: center;
}

.cardIndex2 {
  width: 100%;
  font-size: 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 18px;
  /*box-shadow: var(--shadow);*/
  background: var(--surface);
  text-align: center;
}

/* Helpful inner surface (optional usage) */
.panel {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

/* Topbar */
.topbar {
  display:flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 10px 0 14px;
}

.clock {
  font-size: 16px;
  color: var(--muted);
}

.icon-btn {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--control);
  color: var(--text);
}
.icon-btn:hover { background: var(--control-hover); }

/* Typography */
h1, h2, h3 { margin: 0 0 12px; }
p { color: var(--muted); margin: 8px 0 14px; }

.small { font-size: 14px; color: var(--muted); }
.error { color: var(--danger); font-size: 14px; margin-top: 10px; white-space: pre-wrap; }

hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }

.badge {
  display:inline-block;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  background: var(--surface-2);
}

/* Forms */
label {
  display:block;
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--control);
  color: var(--text);
  outline: none;
}

input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }

input:focus, select:focus, textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 65%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

textarea { min-height: 90px; resize: vertical; }

/* Buttons */
button {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--control);
  color: var(--text);
  cursor: pointer;
}
button:hover { background: var(--control-hover); }

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #051022;
  font-weight: 650;
}
button.primary:hover {
  filter: brightness(1.05);
}

button.danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}
button.danger:hover {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
}

/* Rows + tabs */
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.row > * { flex: 1; }

.tabs { display:flex; gap:10px; margin: 14px 0; }
.tab {
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--control);
  color: var(--text);
}
.tab:hover { background: var(--control-hover); }
.tab.active { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 18%, transparent) inset; }

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 12px;
}

.table thead th {
  text-align: left;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
}

.table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  vertical-align: top;
}

/* Mobile polish */
@media (max-width: 720px) {
  .container { padding: 12px; }
  .card { padding: 14px; border-radius: 14px; }
}

/* Admin "rooms" */
.split {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 14px;
}

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
}

.user-item {
  padding: 10px 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 12px;
  margin-bottom: 10px;
}

.user-item .name { font-weight: 700; }
.user-item .tz { color: var(--muted); font-size: 13px; margin-top: 2px; }

.user-item button { width: 100%; margin-top: 10px; }

.accordion {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  margin-bottom: 12px;
}

.acc-head {
  width: 100%;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px;
  background: var(--surface-2);
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
}

.acc-head .left {
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 750;
}

.chev {
  display:inline-block;
  width: 18px;
  text-align:center;
  color: var(--muted);
  font-weight: 900;
}

.acc-body {
  display:none;
  padding: 12px;
}

.accordion.open .acc-body { display:block; }
.accordion.open .chev { transform: rotate(90deg); }

.week-list {
  max-height: 260px; /* ~5 weeks visible */
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.week-btn {
  width: 100%;
  display:flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 10px;
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.week-btn:hover { background: var(--surface-2); }
.week-btn.active { background: color-mix(in srgb, var(--accent) 12%, transparent); }

.dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 1000px) {
  .dual { grid-template-columns: 1fr; }
}

#overall {
  max-width: 1600px;
  overflow: auto;
  scrollbar-width: thin;                         /* Firefox */
  scrollbar-color: var(--border) transparent;    /* Firefox */
}
#overall::-webkit-scrollbar { width: 8px; height: 8px; }  /* Chrome/Edge */
#overall::-webkit-scrollbar-track { background: transparent; }
#overall::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 999px;
}

.banner{
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 14px;
  padding: 10px 12px;
  margin: 12px 0 10px;
  color: var(--text);
}

.banner .muted { color: var(--muted); }
.banner.locked {
  border-color: var(--danger);
}

/* User accordion */
.user-acc-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: inherit;
  text-align: left;
  font: inherit;
}

.user-acc-chev {
  display: inline-block;
  transition: transform 150ms ease;
  font-weight: 800;
}

.user-acc-body {
  display: none; /* collapsed by default */
}

.user-acc.open .user-acc-body {
  display: block;
}

.user-acc.open .user-acc-chev {
  transform: rotate(90deg);
}

/* --- Custom dropdown wrapper (keeps original <select> for logic) --- */
.dd {
  position: relative;
  width: 100%;
}

.dd select {
  position: absolute;
  left: -99999px; /* keep in DOM for value + form logic */
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.dd-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.dd-btn .dd-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dd-btn .dd-caret {
  margin-left: 10px;
  opacity: 0.9;
  font-size: 14px;
  transform: rotate(90deg); /* looks like your '›' */
}

.dd.open .dd-btn .dd-caret {
  transform: rotate(-90deg);
}

/* Dropdown menu */
.dd-menu {
  z-index: 100001;
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 6px);

  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  max-height: 160px;  
  overflow-y: auto;
  display: none;
}

.dd.open .dd-menu {
  display: block;
}

.dd-items {
  max-height: 168px; /* default, overridden per dropdown via JS */
  overflow-y: auto;
}

/* Menu item */
.dd-item {
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.dd-item:last-child {
  border-bottom: none;
}

.dd-item:hover {
  background: rgba(255,255,255,0.06);
}

.dd-item[aria-selected="true"] {
  background: rgba(255,255,255,0.10);
}

/* nice scrollbar (webkit) */
.dd-items::-webkit-scrollbar {
  width: 10px;
}
.dd-items::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.14);
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: content-box;
}
.dd-items::-webkit-scrollbar-track {
  background: transparent;
}

/* Make the dropdown able to overlay other sections */
.dd.open {
  z-index: 100000;        /* raise the whole dropdown above neighbors */
}

/* IMPORTANT: prevent clipping by accordion/container */
.accordion,
.acc-body,
.card,
.panel {
  overflow: visible !important;
}