:root, [data-theme="dark"] {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2a3544;
  --text: #e8eef5;
  --muted: #8b9bb0;
  --accent: #e63946;
  --accent-soft: rgba(230, 57, 70, 0.15);
  --win: #2a9d8f;
  --win-soft: rgba(42, 157, 143, 0.18);
  --regular: #457b9d;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.25);
  --toggle-bg: #2a3544;
  --input-bg: #0f1419;
}

[data-theme="light"] {
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1a2332;
  --muted: #64748b;
  --accent: #e63946;
  --accent-soft: rgba(230, 57, 70, 0.1);
  --win: #0d9488;
  --win-soft: rgba(13, 148, 136, 0.12);
  --regular: #3b82f6;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --toggle-bg: #e2e8f0;
  --input-bg: #f8fafc;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  transition: background 0.25s ease, color 0.25s ease;
}

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.25rem;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo { font-size: 2rem; }

.brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--muted);
  font-size: 0.85rem;
}

.header-right {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.date-block { text-align: right; }

.date {
  font-size: 1.1rem;
  font-weight: 600;
}

.day-type {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* Theme toggle */
.theme-toggle {
  background: var(--toggle-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.15rem;
  transition: background 0.2s, transform 0.15s;
  flex-shrink: 0;
}

.theme-toggle:hover { transform: scale(1.06); }

[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }
[data-theme="light"] .theme-toggle .icon-sun { display: inline; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.card.full-width {
  grid-column: 1 / -1;
}

.card h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.card-header-row h2 { margin-bottom: 0; }

.big-status {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.note {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.4rem;
}

.tiny {
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 0.75rem;
}

.btn {
  display: inline-block;
  margin-top: 0.75rem;
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 0.6rem 1.1rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s, opacity 0.15s;
  border: none;
  cursor: pointer;
}

.btn:hover { transform: translateY(-1px); opacity: 0.95; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-small {
  background: var(--toggle-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-small.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* WIN card states */
.win-card.is-win {
  border-color: var(--win);
  background: linear-gradient(145deg, var(--card), var(--win-soft));
}
.win-card.is-win .big-status { color: var(--win); }
.win-card.is-regular { border-color: var(--regular); }
.win-card.is-off { border-color: var(--border); opacity: 0.9; }
.win-card.is-off .big-status { color: var(--muted); font-size: 1.4rem; }

/* Segmented controls (lunch wave + meal toggle) */
.wave-picker, .meal-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.wave-picker button, .meal-toggle button {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.wave-picker button + button, .meal-toggle button + button {
  border-left: 1px solid var(--border);
}

.wave-picker button.active, .meal-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.wave-picker button:not(.active):hover, .meal-toggle button:not(.active):hover {
  background: var(--toggle-bg);
  color: var(--text);
}

/* Live now/next status */
.now-next {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.85rem;
  font-size: 0.9rem;
}

.now-next:empty { display: none; }

.now-line { font-weight: 600; }
.next-line { color: var(--muted); font-size: 0.82rem; margin-top: 0.15rem; }

/* Schedule */
.schedule-label {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.schedule {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.schedule-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
  border-radius: 6px;
}

.schedule-row:last-child { border-bottom: none; }

.schedule-row.current {
  background: var(--accent-soft);
  border-bottom-color: transparent;
}

.schedule-row.current .period { color: var(--accent); font-weight: 700; }
.schedule-row.current .time { color: var(--text); }
.schedule-row.past { opacity: 0.45; }

.period { font-weight: 500; }
.time { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Weather */
.weather {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.weather-icon { font-size: 2rem; line-height: 1; }

.weather-temp {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.weather-desc {
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
}

.weather-details .tiny { margin-top: 0.15rem; }

/* Lunch */
.meal-label {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.7rem;
}

.meal-label:first-child { margin-top: 0; }

.lunch-items {
  list-style: none;
  margin: 0.25rem 0 0.5rem;
}

.lunch-items li {
  padding: 0.2rem 0;
  font-size: 0.92rem;
}

.lunch-more {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.lunch-more summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.lunch-more summary:hover { color: var(--text); }

/* Assignments */
.assignment-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--input-bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.assignment-form.hidden { display: none; }

.assignment-form input {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
}

.form-actions {
  display: flex;
  gap: 0.5rem;
}

.assignments {
  list-style: none;
  margin-top: 0.25rem;
}

.header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.assignments li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.assignments li:last-child { border-bottom: none; }

.assign-check {
  margin-top: 0.3rem;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.assignments li.done .assign-title {
  text-decoration: line-through;
  color: var(--muted);
}

.assignments li.done .assign-class { color: var(--muted); }
.assignments li.done .assign-due { color: var(--win); }

.assign-actions {
  display: flex;
  gap: 0.15rem;
  flex-shrink: 0;
}

.edit-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 0.2rem;
  line-height: 1;
}

.edit-btn:hover { color: var(--text); }

.hidden { display: none !important; }

button:focus-visible, input:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.assignments .empty {
  color: var(--muted);
  font-style: italic;
  display: block;
}

.assign-main {
  flex: 1;
}

.assign-class {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.assign-title {
  margin-top: 0.15rem;
}

.assign-due {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.assign-due.soon {
  color: var(--accent);
  font-weight: 600;
}

.delete-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.2rem;
  line-height: 1;
}

.delete-btn:hover { color: var(--accent); }

.footer {
  margin-top: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

/* Schoology */
.pill {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--input-bg);
  white-space: nowrap;
}

.pill.connected {
  color: var(--win);
  border-color: var(--win);
  background: var(--win-soft);
}

.setup-steps {
  margin: 0.6rem 0 0.75rem 1.1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.setup-steps li { padding: 0.15rem 0; }
.setup-steps strong { color: var(--text); font-weight: 600; }

.setup-steps code, .schoology-form input::placeholder {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.setup-steps code {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.05rem 0.3rem;
  font-size: 0.82rem;
  color: var(--text);
}

.schoology-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.schoology-form input {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
  width: 100%;
}

.schoology-status {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.schoology-summary { font-weight: 600; font-size: 0.95rem; }

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
}

.toggle-row input { accent-color: var(--accent); cursor: pointer; }

.error-note {
  margin-top: 0.75rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.85rem;
}

.btn-small:disabled { opacity: 0.6; cursor: default; }

/* Assignment toolbar + date buckets (keeps 100+ item lists usable) */
.assignment-toolbar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.assignment-toolbar input[type="search"] {
  flex: 1 1 180px;
  min-width: 0;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
}

.assignment-toolbar select {
  flex: 0 1 160px;
  min-width: 0;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.5rem;
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
}

.assign-summary { margin: 0 0 0.5rem; }

.assignments li.bucket-head {
  display: block;
  border-bottom: none;
  padding: 0.7rem 0 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.assignments li.bucket-head:first-child { padding-top: 0.15rem; }
.bucket-more { font-weight: 500; text-transform: none; letter-spacing: 0; opacity: 0.8; }

.assignments li.list-more {
  display: block;
  border-bottom: none;
  padding: 0.6rem 0 0.2rem;
  text-align: center;
}

/* Past-due Schoology group (unverified — the feed has no submission state) */
.assignments li.past-group {
  display: block;
  border-bottom: none;
  padding-top: 0.5rem;
}

.past-details {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
  padding: 0.6rem 0.8rem;
}

.past-details > summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.past-details > summary:hover { color: var(--text); }
.past-details[open] > summary { margin-bottom: 0.35rem; }
.past-details .tiny { margin-top: 0.25rem; }
.past-details .mark-past-done { margin-top: 0.6rem; }

.past-list { margin-top: 0.35rem; }
.past-list li { opacity: 0.85; }
.past-list .assign-due { color: var(--muted); font-weight: 400; }

/* Feed-sourced assignment rows */
.source-badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.35rem;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.assign-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.assign-title a:hover { border-bottom-color: var(--accent); color: var(--accent); }

.open-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.2rem;
  line-height: 1;
}

.open-link:hover { color: var(--accent); }

@media (max-width: 600px) {
  .header { flex-direction: column; }
  .header-right {
    width: 100%;
    justify-content: space-between;
    align-items: center;
  }
  .date-block { text-align: right; }
  .card-header-row { flex-wrap: wrap; gap: 0.5rem; }
  .weather { gap: 0.65rem; }
  .weather-temp { font-size: 1.9rem; }
  .assignments li { flex-wrap: wrap; }
  .assign-due { margin-left: auto; }
}