/* ============================================================
   PrepQueue App Styles
   Matches landing page design language (navy/amber/dark theme)
   ============================================================ */

/* App root takes over when navigating to app routes */
#app-root:not(:empty) ~ * { display: none; }
#app-root:not(:empty) { min-height: 100vh; }

/* Hide landing content when app is active */
body.app-active > nav,
body.app-active > section,
body.app-active > footer { display: none; }

/* ---- APP NAV ---- */
.app-nav {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(12, 18, 34, 0.95);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--amber); }

.btn-small {
  font-size: 0.75rem;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'DM Sans', sans-serif;
}
.btn-small:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--light);
}

/* ---- ONBOARDING ---- */
.onboarding-wrap {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.onboard-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
}

.onboard-step {
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  transition: opacity 0.3s;
}
.onboard-step.active { opacity: 1; }
.onboard-step.done { opacity: 0.7; }

.step-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--slate);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
}
.onboard-step.active .step-circle {
  background: var(--amber);
  color: var(--navy);
}
.onboard-step.done .step-circle {
  background: rgba(34, 197, 94, 0.2);
  color: var(--green);
}

.onboard-step span {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}
.onboard-step.active span { color: var(--white); }

.onboard-connector {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin: 0 12px;
}

.onboard-card {
  background: var(--deep);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 36px 32px;
}

.onboard-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.onboard-subtitle {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hidden { display: none !important; }

/* ---- FORM ELEMENTS ---- */
.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--light);
  margin-bottom: 8px;
}

.form-group .optional {
  color: var(--muted);
  font-weight: 400;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--white);
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus {
  border-color: var(--amber);
}
.form-input::placeholder {
  color: var(--muted);
  opacity: 0.6;
}

.form-select {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  color: var(--white);
  font-size: 0.88rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}
.form-select:focus { border-color: var(--amber); }
.form-select option { background: var(--deep); color: var(--light); }

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Chips */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}
.chip:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--light);
}
.chip.selected {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--navy);
  font-weight: 600;
}

/* Hours slider */
.hours-slider {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hours-slider input[type="range"] {
  flex: 1;
  height: 4px;
  appearance: none;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  outline: none;
}
.hours-slider input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--amber);
  border-radius: 50%;
  cursor: pointer;
}
.hours-slider input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--amber);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.hours-display {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  color: var(--white);
  font-weight: 600;
  min-width: 110px;
  text-align: right;
}

/* ---- BUTTONS ---- */
.btn-primary {
  width: 100%;
  padding: 14px 24px;
  background: var(--amber);
  color: var(--navy);
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: -0.01em;
}
.btn-primary:hover:not(:disabled) {
  background: var(--amber-glow);
  transform: translateY(-1px);
}
.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary {
  padding: 14px 24px;
  background: transparent;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--light);
}

.btn-row {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.btn-row .btn-primary { flex: 1; }

.btn-add-subject {
  width: 100%;
  padding: 14px;
  background: transparent;
  border: 1px dashed rgba(255,255,255,0.12);
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  margin-bottom: 24px;
  transition: all 0.2s;
}
.btn-add-subject:hover {
  border-color: var(--amber);
  color: var(--amber);
}
.btn-add-subject span {
  font-size: 1.1rem;
  margin-right: 4px;
}

/* ---- SUBJECT ROWS ---- */
.subject-row {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 12px;
}

.subject-row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.subject-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--amber);
  background: var(--amber-dim);
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.subject-remove {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s;
}
.subject-remove:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
}

.subject-fields .form-group { margin-bottom: 14px; }
.subject-fields .form-group:last-child { margin-bottom: 0; }

/* ---- GENERATING STATE ---- */
.generating-state, .error-state {
  text-align: center;
  padding: 48px 24px;
}

.gen-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 24px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- QUEUE PAGE ---- */
.queue-page {
  padding: 32px 0 80px;
}

.queue-greeting h1 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.queue-date-label {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 32px;
}

.queue-stats-bar {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  padding: 16px 24px;
  background: var(--deep);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
}

.queue-stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
}

/* ---- SESSION CARDS ---- */
.queue-sessions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.session-card {
  display: flex;
  gap: 16px;
  background: var(--deep);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 20px;
  transition: all 0.3s;
}
.session-card.current {
  border-color: rgba(245, 158, 11, 0.2);
  background: rgba(245, 158, 11, 0.03);
}
.session-card.done {
  opacity: 0.5;
}

.session-number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
}
.session-number.active {
  background: var(--amber);
  color: var(--navy);
}
.session-number.completed {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}
.session-number.skipped {
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

.session-body { flex: 1; min-width: 0; }

.session-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.session-subject-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid;
  font-family: 'Space Grotesk', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.session-duration {
  font-size: 0.8rem;
  color: var(--muted);
  font-family: 'Space Grotesk', sans-serif;
}

.session-topic {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
  line-height: 1.3;
}

.session-reason {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 10px;
}

.session-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
}

.session-priority {
  font-size: 0.75rem;
  font-weight: 500;
}

.session-board {
  font-size: 0.72rem;
  color: var(--muted);
}

.session-actions {
  display: flex;
  gap: 8px;
}

.btn-complete {
  padding: 8px 20px;
  background: var(--amber);
  color: var(--navy);
  border: none;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-complete:hover { background: var(--amber-glow); }
.btn-complete:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-skip {
  padding: 8px 16px;
  background: transparent;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  font-size: 0.82rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-skip:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--light);
}
.btn-skip:disabled { opacity: 0.5; cursor: not-allowed; }

.session-done-label {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
}

/* ---- EMPTY STATE ---- */
.empty-queue {
  text-align: center;
  padding: 64px 24px;
  background: var(--deep);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.empty-queue h2 {
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 8px;
}

.empty-queue p {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.empty-queue .btn-primary {
  width: auto;
  display: inline-block;
}

/* ---- WEEK PLAN ---- */
.week-overview {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.day-block {
  background: var(--deep);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  overflow: hidden;
}
.day-block.today {
  border-color: rgba(245, 158, 11, 0.2);
}
.day-block.past {
  opacity: 0.6;
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.day-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
}

.today-badge {
  font-size: 0.68rem;
  background: var(--amber);
  color: var(--navy);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  font-weight: 700;
}

.day-meta {
  font-size: 0.75rem;
  color: var(--muted);
}

.day-sessions {
  padding: 12px 20px;
}

.mini-session {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}
.mini-session:not(:last-child) {
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.mini-session.done { opacity: 0.5; text-decoration: line-through; }
.mini-session.skipped { opacity: 0.4; }

.mini-subject {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--amber);
  width: 100px;
  flex-shrink: 0;
}

.mini-topic {
  font-size: 0.82rem;
  color: var(--light);
  flex: 1;
}

.mini-time {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: 'Space Grotesk', sans-serif;
}

/* ---- LOADING STATE ---- */
.loading-state {
  text-align: center;
  padding: 80px 24px;
}
.loading-state p {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---- LANDING PAGE CTA BUTTON ---- */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 14px 32px;
  background: var(--amber);
  color: var(--navy);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  letter-spacing: -0.01em;
}
.hero-cta:hover {
  background: var(--amber-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245, 158, 11, 0.25);
}
.hero-cta-arrow {
  font-size: 1.2rem;
  transition: transform 0.2s;
}
.hero-cta:hover .hero-cta-arrow {
  transform: translateX(3px);
}

.closing-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  padding: 16px 40px;
  background: var(--amber);
  color: var(--navy);
  border: none;
  border-radius: 12px;
  font-size: 1.05rem;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}
.closing-cta:hover {
  background: var(--amber-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245, 158, 11, 0.25);
}

/* ---- AUTH ERROR ---- */
.auth-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.88rem;
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ---- USER DROPDOWN MENU ---- */
.nav-user-menu {
  position: relative;
}

.btn-user {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--deep);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  min-width: 200px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  z-index: 200;
}

.dropdown-email {
  padding: 12px 16px;
  font-size: 0.75rem;
  color: var(--muted);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 10px 16px;
  background: none;
  border: none;
  color: var(--light);
  font-size: 0.85rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}
.dropdown-item:hover {
  background: rgba(255,255,255,0.05);
}
.dropdown-item.dropdown-danger {
  color: #fca5a5;
}
.dropdown-item.dropdown-danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .onboarding-wrap { padding: 24px 16px 60px; }
  .onboard-card { padding: 24px 20px; }
  .onboard-step span { display: none; }
  .onboard-connector { width: 24px; }

  .queue-stats-bar { flex-wrap: wrap; gap: 16px; }
  .session-card { padding: 16px; gap: 12px; }
  .session-top { flex-wrap: wrap; gap: 8px; }

  .form-row-2 { grid-template-columns: 1fr; }

  .nav-actions { gap: 10px; }
  .nav-link { font-size: 0.78rem; }

  .mini-subject { width: 80px; }
}