:root {
  --bg: #0a0d16;
  --bg-glow: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(108, 108, 255, 0.16), transparent);
  --surface: #131826;
  --surface-2: #1a2133;
  --surface-hover: #202944;
  --text: #eef1f8;
  --text-dim: #8d96b3;
  --text-faint: #5c6480;
  --accent: #6c7dff;
  --accent-2: #9b6cff;
  --accent-soft: rgba(108, 125, 255, 0.14);
  --danger: #f2545b;
  --danger-soft: rgba(242, 84, 91, 0.14);
  --success: #33c481;
  --success-soft: rgba(51, 196, 129, 0.14);
  --border: #232c44;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  background: var(--bg-glow), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: 1.5rem; margin: 0 0 0.4rem; }
h2 { font-size: 1.05rem; margin: 0 0 0.6rem; color: var(--text); }
p { color: var(--text-dim); line-height: 1.55; }

a { color: var(--accent); }

/* Nav */
.topnav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.6rem;
  background: rgba(19, 24, 38, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s ease;
  cursor: pointer;
  user-select: none;
  list-style: none;
}
.brand::-webkit-details-marker { display: none; }
.brand:hover { color: var(--accent); }
.brand .caret { font-size: 0.75rem; color: var(--text-faint); }

.group-switcher { position: relative; }
.group-dropdown {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 0;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  z-index: 20;
}
.group-dropdown-row { display: flex; align-items: center; gap: 0.2rem; }
.group-dropdown a {
  flex: 1;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}
.group-dropdown a:hover { background: var(--surface-hover); color: var(--text); }
.group-dropdown a.active { background: var(--accent-soft); color: var(--accent); }
.star-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  color: var(--text-faint);
  box-shadow: none;
}
.star-btn:hover { background: var(--surface-hover); color: var(--text-dim); transform: none; filter: none; }
.star-btn.is-favorite { color: #f5c518; }
.brand::before {
  content: "📅";
  font-size: 1.1rem;
}
.nav-links { display: flex; align-items: center; gap: 0.9rem; }
.nav-btn { padding: 0.4rem 0.85rem; font-size: 0.82rem; box-shadow: none; }
.nav-icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 1rem;
  text-decoration: none;
}
.badge-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--text); }
.user-badge {
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: 0 2px 10px -2px rgba(0, 0, 0, 0.4);
  text-decoration: none;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.12s ease;
}
.user-badge:hover { filter: brightness(1.1); transform: translateY(-1px); }

/* Settings */
.settings-menu { display: flex; flex-direction: column; gap: 0.7rem; }
.settings-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.2rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.15s ease;
}
.settings-item:hover { background: var(--surface-hover); }
.settings-item-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.settings-item-main { flex: 1; min-width: 0; }
.settings-item-title { font-weight: 700; font-size: 0.98rem; color: var(--text); }
.settings-item-desc { font-size: 0.82rem; color: var(--text-faint); margin-top: 0.1rem; }
.settings-item-arrow { color: var(--text-faint); font-size: 1.1rem; }

.color-swatches { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.4rem; }
.color-swatch {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  padding: 0;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.color-swatch:hover { transform: scale(1.08); }
.color-swatch.selected { border-color: var(--text); }

.profile-preview {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.6rem;
  padding: 0.9rem 1.1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.profile-preview .user-badge { font-size: 0.9rem; padding: 0.4rem 1rem; }

/* Weather */
.weather-now {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0.2rem 1.3rem;
}
.weather-now-icon { font-size: 2.6rem; line-height: 1; }
.weather-now-temp { font-size: 1.8rem; font-weight: 800; }
.weather-now-desc { color: var(--text-dim); font-size: 0.9rem; }
.weather-days {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}
.weather-day {
  text-align: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.3rem;
}
.weather-day-label { font-size: 0.75rem; color: var(--text-faint); margin-bottom: 0.3rem; }
.weather-day-icon { font-size: 1.4rem; margin-bottom: 0.3rem; }
.weather-day-temp { font-size: 0.82rem; font-weight: 700; }
.weather-day-temp span { color: var(--text-faint); font-weight: 500; }

/* Free day suggestion */
.free-day-list { display: flex; flex-direction: column; gap: 0.6rem; }
.free-day-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.free-day-primary {
  background: var(--success-soft);
  border-color: var(--success);
}
.free-day-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--success);
  color: #0a0d16;
}

@media (max-width: 640px) {
  .weather-days { grid-template-columns: repeat(5, 1fr); gap: 0.35rem; }
  .weather-day { padding: 0.5rem 0.15rem; }
  .weather-day-label { font-size: 0.68rem; }
  .weather-day-icon { font-size: 1.15rem; }
  .weather-day-temp { font-size: 0.72rem; }
}

/* Install guide */
.install-platform {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.6rem;
}
.install-platform h3 { display: flex; align-items: center; gap: 0.5rem; margin: 0 0 0.4rem; }
.install-platform ol { margin: 0; padding-left: 1.3rem; color: var(--text-dim); line-height: 1.7; }
.install-platform li { margin-bottom: 0.2rem; }
.install-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-left: 0.4rem;
}

.container { max-width: 1140px; margin: 0 auto; padding: 2rem 1.6rem 4rem; }

/* Cards */
.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

/* Login */
.login-shell {
  min-height: calc(100vh - 0px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}
.login-box {
  width: 100%;
  max-width: 360px;
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.4rem 2rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.login-box::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.login-box .emoji { font-size: 2rem; display: block; text-align: center; margin-bottom: 0.6rem; }
.login-box h1 { font-size: 1.25rem; margin-bottom: 1.8rem; text-align: center; }
.login-box form { display: flex; flex-direction: column; gap: 1.1rem; }
.login-box label { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.85rem; color: var(--text-dim); font-weight: 600; }

input[type="text"], input[type="password"], input[type="url"], input[type="email"], select {
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input::placeholder { color: var(--text-faint); }
select { cursor: pointer; }

button, .btn {
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
  box-shadow: 0 6px 18px -6px rgba(108, 125, 255, 0.55);
}
button:hover, .btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
button:active, .btn:active { transform: translateY(0); }

/* Flash */
.flash {
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
  font-size: 0.92rem;
  border: 1px solid transparent;
}
.flash-success { background: var(--success-soft); border-color: var(--success); color: #bdf4d9; }
.flash-error { background: var(--danger-soft); border-color: var(--danger); color: #ffc9cb; }

/* Connections page */
.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  margin-bottom: 1.6rem;
  box-shadow: var(--shadow);
}
.section p { margin-top: -0.2rem; font-size: 0.88rem; }

.add-ics-form { display: flex; gap: 0.7rem; margin-top: 1rem; flex-wrap: wrap; }
.add-ics-form input[type="text"] { flex: 0 1 220px; }
.add-ics-form input[type="url"] { flex: 1; min-width: 260px; }

.conn-list { display: flex; flex-direction: column; gap: 0.6rem; }
.conn-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}
.conn-row:hover { background: var(--surface-hover); }
.conn-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.conn-main { flex: 1; min-width: 0; }
.conn-label { font-weight: 600; font-size: 0.95rem; }
.conn-meta { font-size: 0.8rem; color: var(--text-faint); margin-top: 0.1rem; }
.conn-actions { display: flex; align-items: center; gap: 0.6rem; flex-shrink: 0; }
.empty-state {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9rem;
}

.pill {
  border: none;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}
.pill-private { background: var(--danger-soft); color: #f4a3a5; border: 1px solid var(--danger); }
.pill-open { background: var(--success-soft); color: #8fe3b3; border: 1px solid var(--success); }

.btn-danger {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-faint);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  box-shadow: none;
}
.btn-danger:hover { border-color: var(--danger); color: var(--danger); filter: none; transform: none; box-shadow: none; }

.error-badge {
  color: var(--danger);
  font-weight: 700;
  font-size: 0.78rem;
  background: var(--danger-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.sync-ok { color: var(--text-faint); font-size: 0.82rem; }

.feed-url {
  display: block;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  word-break: break-all;
  font-size: 0.85rem;
  color: var(--accent);
}

/* Dashboard */
.legend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.legend { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.legend-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex-shrink: 0; }

#calendar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

/* FullCalendar dark theme overrides */
.fc {
  --fc-border-color: var(--border);
  --fc-page-bg-color: transparent;
  --fc-neutral-bg-color: var(--surface-2);
  --fc-list-event-hover-bg-color: var(--surface-hover);
  --fc-today-bg-color: rgba(108, 125, 255, 0.08);
  --fc-button-bg-color: var(--surface-2);
  --fc-button-border-color: var(--border);
  --fc-button-hover-bg-color: var(--surface-hover);
  --fc-button-hover-border-color: var(--accent);
  --fc-button-active-bg-color: var(--accent);
  --fc-button-active-border-color: var(--accent);
  color: var(--text);
  font-size: 0.9rem;
}
.fc .fc-toolbar-title { font-size: 1.15rem; font-weight: 700; }
.fc .fc-button { text-transform: capitalize; font-weight: 600; box-shadow: none; }
.fc .fc-button:focus { box-shadow: 0 0 0 3px var(--accent-soft); }
.fc-theme-standard td, .fc-theme-standard th { border-color: var(--border); }
.fc .fc-daygrid-day-number, .fc .fc-col-header-cell-cushion { color: var(--text-dim); text-decoration: none; }
.fc .fc-day-today .fc-daygrid-day-number { color: var(--accent); font-weight: 700; }
.fc-event { border: none; border-radius: 6px; padding: 1px 4px; font-weight: 500; }
.fc-list-day-cushion { background: var(--surface-2) !important; }

@media (max-width: 640px) {
  .topnav { padding: 0.8rem 1rem; }
  .container { padding: 1.2rem 1rem 3rem; }
  .add-ics-form { flex-direction: column; }
  .add-ics-form input { width: 100%; }
  .conn-row { flex-wrap: wrap; }

  #calendar { padding: 0.7rem 0.5rem; }
  .fc .fc-toolbar { flex-direction: column; gap: 0.6rem; align-items: stretch; }
  .fc .fc-toolbar-chunk { display: flex; justify-content: center; }
  .fc .fc-toolbar-title { font-size: 1rem; text-align: center; }
  .fc .fc-button { padding: 0.35rem 0.6rem; font-size: 0.82rem; }
  .fc .fc-daygrid-day-number { font-size: 0.8rem; }
  .fc .fc-col-header-cell-cushion { font-size: 0.78rem; }
  .fc-event { font-size: 0.72rem; }
}