/* ============================================
   SHIFTGRAB DESIGN SYSTEM
   ============================================ */
/* Theme Variables – Dark & Light */
:root {
  /* Dark theme (default) */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --accent: #00FF7F;
  --accent-glow: rgba(0, 255, 127, 0.3);
  --text-primary: #f0f0f0;
  --text-secondary: #888888;
  --warning: #FFA500;
  --border: #2a2a2a;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  --transition: 0.2s ease;
}

/* Light theme override */
[data-theme="light"] {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --text-primary: #0a0a0a;
  --text-secondary: #555555;
  --border: #dddddd;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Base Reset & Typography */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1.1;
}

h2 {
  font-size: 1.8rem;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Buttons – Base */
.btn {
  display: inline-block;
  padding: 0.85em 1.8em;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}

.btn-primary:hover {
  background-color: #00cc6a;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn-secondary:hover {
  background-color: rgba(0, 255, 127, 0.1);
}

/* Container */
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ============================================
   AUTH & FORM STYLES
   ============================================ */
.auth-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem 1.5rem;
}

.auth-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 1.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--card-shadow);
}

.auth-card h2 {
  margin-bottom: 0.5rem;
}

.auth-card .subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-group input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.full-width {
  width: 100%;
}

.btn-auth {
  width: 100%;
  padding: 0.85em;
  font-size: 1rem;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
  color: var(--text-secondary);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border);
}

.divider span {
  margin: 0 1rem;
  font-size: 0.8rem;
}

.social-btn {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background var(--transition);
}

.social-btn:hover {
  background: var(--border);
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.error-message {
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid #ff5050;
  color: #ff5050;
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  display: none;
}

/* ============================================
   ONBOARDING SCREEN
   ============================================ */
.onboarding-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.onboarding-container h2 {
  margin-bottom: 0.25rem;
}

.onboarding-container .section-title {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.step {
  margin-bottom: 2.5rem;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

/* Role Selection Cards */
.role-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.role-card {
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  user-select: none;
}

.role-card:hover {
  border-color: var(--accent-glow);
}

.role-card.selected {
  border-color: var(--accent);
  background: rgba(0, 255, 127, 0.05);
}

.role-icon {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.role-name {
  font-weight: 600;
  font-size: 0.9rem;
}

/* Skill Checkboxes */
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-height: 200px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.skill-checkbox {
  display: none;
}

.skill-label {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.skill-checkbox:checked + .skill-label {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
  font-weight: 600;
}

.skill-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

/* Optional fields */
.optional-fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.optional-fields input {
  width: 100%;
  padding: 0.65rem 0.8rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.optional-fields label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  display: block;
}

/* Avatar Picker */
.avatar-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-start;
}

.avatar-option {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition);
}

.avatar-option svg {
  width: 32px;
  height: 32px;
  fill: var(--text-secondary);
}

.avatar-option.selected {
  border-color: var(--accent);
  background: rgba(0, 255, 127, 0.1);
}

.avatar-option.selected svg {
  fill: var(--accent);
}

/* Preferences */
.preference-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.preference-row label {
  font-weight: 500;
}

select, .toggle-switch {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.toggle-switch {
  display: flex;
  gap: 0.5rem;
}

.toggle-option {
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--transition);
}

.toggle-option.active {
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 600;
}

/* Complete button */
.complete-btn {
  margin-top: 2rem;
}

.error-message, .success-message {
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

/* ============================================
   HOME FEED
   ============================================ */
.home-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 5rem; /* bottom padding for nav */
}

.feed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.feed-header h2 {
  font-size: 1.5rem;
}

/* Available Now Toggle */
.available-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.toggle-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-secondary);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.available-toggle.active .toggle-dot {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  70% { box-shadow: 0 0 0 8px rgba(0, 255, 127, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 255, 127, 0); }
}

.toggle-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.available-toggle.active .toggle-label {
  color: var(--accent);
  font-weight: 600;
}

/* Shift Cards */
.shift-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
  margin-bottom: 1rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.shift-card:hover {
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.card-role {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.uniform-flag {
  background: var(--bg-primary);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--warning);
  border: 1px solid var(--warning);
}

.uniform-flag.provided {
  color: var(--accent);
  border-color: var(--accent);
}

.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.poster-rating {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.grab-btn {
  background: var(--accent);
  color: #0a0a0a;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
}

.grab-btn:hover {
  background: #00cc6a;
  box-shadow: 0 0 12px var(--accent-glow);
}

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

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  fill: var(--text-secondary);
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 600px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0.5rem 0 calc(0.5rem + env(safe-area-inset-bottom));
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-item svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.nav-item.active {
  color: var(--accent);
  background: rgba(0, 255, 127, 0.05);
}

.nav-item:hover {
  color: var(--accent);
}