/* ================================================
   YM Health Check - Shared App Styles
   Loaded AFTER styles.css (Tailwind build)
   Uses CSS custom properties from the Tailwind theme
   ================================================ */

/* ---- Extended Theme Variables ---- */
:root {
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-success-text: #166534;
  --color-error: #ef4444;
  --color-error-light: #fef2f2;
  --color-error-text: #991b1b;
  --color-info-light: #dbeafe;
  --color-info-text: #1e40af;
  --color-warn-light: #fef3c7;
  --color-warn-text: #92400e;
  --color-navy: #1a1a2e;
  --color-navy-mid: #16213e;
  --color-navy-deep: #0f3460;
  --radius-btn: 0.875rem;
  --radius-card: 1rem;
  --radius-input: 0.875rem;
}

/* ---- Navy Gradient Background ---- */
.bg-navy-gradient {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 40%, var(--color-navy-deep) 100%);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-btn);
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  text-decoration: none;
}
.btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}
.btn-primary {
  background: var(--color-ym-red);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-ym-red-dark);
  transform: translateY(-1px);
}
.btn-lg {
  padding: 1.25rem 3rem;
  font-size: 1.25rem;
  border-radius: 1rem;
}
.btn-outline {
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  background: #f9fafb;
  border-color: #d1d5db;
}
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  border-radius: 0.5rem;
}
.btn-ghost {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem;
}
.btn-ghost:hover {
  color: var(--color-text-primary);
}

/* ---- Form Inputs ---- */
.app-input {
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-input);
  border: 1px solid var(--color-border);
  font-size: 0.9375rem;
  font-family: inherit;
  outline: none;
  width: 100%;
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
}
.app-input:focus {
  border-color: var(--color-ym-red);
  box-shadow: 0 0 0 3px rgba(196, 42, 54, 0.1);
}
.app-input-dark {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* ---- Cards ---- */
.app-card {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
}

/* ---- Badges ---- */
.app-badge {
  display: inline-block;
  padding: 0.1875rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.app-badge-success {
  background: var(--color-success-light);
  color: var(--color-success-text);
}
.app-badge-info {
  background: var(--color-info-light);
  color: var(--color-info-text);
}
.app-badge-muted {
  background: #f3f4f6;
  color: var(--color-text-secondary);
}

/* ---- Header Bar ---- */
.app-header {
  background: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---- Screen Management (facilitator/admin multi-screen pages) ---- */
.screen {
  display: none;
  min-height: 100vh;
}
.screen.active {
  display: flex;
}
.screen-center {
  align-items: center;
  justify-content: center;
  padding: 2rem;
  flex-direction: column;
  text-align: center;
}
.screen-top {
  flex-direction: column;
}

/* ---- Join Code Display ---- */
.join-code {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 800;
  letter-spacing: 0.2em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

/* ---- Participant Count ---- */
.participant-count {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-primary);
}

/* ---- Question Display (Facilitator Projector View) ---- */
.progress-label {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.question-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  max-width: 800px;
  line-height: 1.3;
  color: var(--color-text-primary);
}
.option-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
  max-width: 640px;
  width: 100%;
}
.option-letter {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ym-red-light);
  color: var(--color-ym-red);
  font-weight: 600;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

/* ---- Poll Chart (Facilitator View) ---- */
.poll-bar-wrap {
  width: 100%;
  max-width: 640px;
  margin-bottom: 1rem;
}
.poll-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.375rem;
  font-size: 0.9375rem;
}
.poll-track {
  width: 100%;
  height: 2.5rem;
  background: #f3f4f6;
  border-radius: 0.75rem;
  overflow: hidden;
}
.poll-fill {
  height: 100%;
  border-radius: 0.75rem;
  transition: width 0.7s ease-out;
}

/* ---- Session List Row ---- */
.session-row {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: border-color 0.2s;
}
.session-row:hover {
  border-color: #d1d5db;
}

/* ---- Spinner ---- */
.app-spinner {
  width: 3rem;
  height: 3rem;
  border: 3px solid var(--color-ym-red-light);
  border-top-color: var(--color-ym-red);
  border-radius: 50%;
  animation: app-spin 0.8s linear infinite;
  margin: 0 auto 1.5rem;
}
.app-spinner-sm {
  width: 1.25rem;
  height: 1.25rem;
  border-width: 2px;
  margin: 0;
  display: inline-block;
  vertical-align: middle;
}
@keyframes app-spin {
  to { transform: rotate(360deg); }
}

/* ---- Success Check Circle ---- */
.check-circle {
  width: 5rem;
  height: 5rem;
  background: var(--color-success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
}

/* ---- Divider ---- */
.app-divider {
  height: 1px;
  background: var(--color-border);
  margin: 1.5rem 0;
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}

/* ---- Global Mobile Fixes ---- */

/* Prevent iOS auto-zoom on form focus (inputs below 16px trigger it) */
@supports (-webkit-touch-callout: none) {
  select, textarea, input[type="text"], input[type="email"],
  input[type="tel"], input[type="password"], input[type="url"] {
    font-size: 16px !important;
  }
}

/* Prevent horizontal overflow on all pages */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* Safe area padding for notch/Dynamic Island devices */
body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* Fix 100vh bug on iOS Safari (100vh includes area behind URL bar) */
.screen, .min-h-screen {
  min-height: 100vh;
  min-height: 100dvh;
}

/* Minimum touch target size */
.btn-sm {
  min-height: 2.75rem;
}
.btn-ghost {
  padding: 0.75rem 1rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .screen-center { padding: 1.5rem; }
  .app-header { padding: 0.75rem 1rem; flex-wrap: wrap; gap: 0.5rem; }
  .session-row { padding: 0.75rem 1rem; flex-wrap: wrap; }
  .join-code { font-size: clamp(2.5rem, 10vw, 5rem); }
  .participant-count { font-size: 3rem; }
  .question-title { font-size: clamp(1.25rem, 3.5vw, 2rem); }
  .option-row { padding: 0.75rem 1rem; }
  .poll-bar-wrap { margin-bottom: 0.75rem; }
  .btn-lg { padding: 1rem 2rem; font-size: 1rem; }
}