/* ═══════════════════════════════════════════
   ROADVAULT APP STYLES
   Dark theme with amber accents
   ═══════════════════════════════════════════ */

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

:root {
  --dark: #0a0a0f;
  --dark-surface: #12121a;
  --dark-card: #1a1a26;
  --dark-card-hover: #22222e;
  --amber: #f59e0b;
  --amber-glow: #f59e0b33;
  --amber-light: #fbbf24;
  --amber-dark: #d97706;
  --green: #22c55e;
  --green-glow: #22c55e33;
  --red: #ef4444;
  --text: #e4e4e7;
  --text-dim: #9ca3af;
  --text-muted: #6b7280;
  --border: #2a2a3a;
  --border-light: #3a3a4a;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-sm: 8px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
}

a {
  color: var(--amber);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--amber-light);
}

/* ═══ NAV BAR ═══ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-brand span {
  color: var(--amber);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  transition: all 0.2s;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-link:hover {
  color: var(--text);
  background: var(--dark-card);
}

.nav-link.active {
  color: var(--amber);
  background: var(--amber-glow);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-user-name {
  font-size: 13px;
  color: var(--text-dim);
}

.nav-btn {
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.nav-btn-primary {
  background: var(--amber);
  color: var(--dark);
}

.nav-btn-primary:hover {
  background: var(--amber-light);
  transform: translateY(-1px);
}

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

.nav-btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

/* ═══ MAIN CONTAINER ═══ */

.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ═══ LEVEL BAR ═══ */

.level-section {
  margin-bottom: 32px;
}

.level-card {
  background: var(--dark-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
}

.level-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-light), var(--amber));
}

.level-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.level-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.level-icon {
  font-size: 32px;
  line-height: 1;
}

.level-text h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.level-text p {
  font-size: 13px;
  color: var(--text-dim);
}

.level-badge {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--amber);
  background: var(--amber-glow);
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}

.xp-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.xp-current {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--amber);
}

.xp-max {
  font-size: 0.95rem;
  color: var(--text-dim);
}

.xp-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: 4px;
}

.progress-track {
  width: 100%;
  height: 12px;
  background: var(--dark-card);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber-dark), var(--amber), var(--amber-light));
  border-radius: 100px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ═══ STATS GRID ═══ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: border-color 0.2s;
}

.stat-card:hover {
  border-color: var(--border-light);
}

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1.2;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ═══ CHECKLIST ═══ */

.checklist-header {
  margin-bottom: 24px;
}

.checklist-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.checklist-header p {
  color: var(--text-dim);
  font-size: 14px;
  margin-top: 4px;
}

.checklist-category {
  margin-bottom: 24px;
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--dark-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer;
  transition: background 0.2s;
  user-select: none;
}

.category-header:hover {
  background: var(--dark-card);
}

.category-header.collapsed {
  border-radius: var(--radius);
}

.category-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.category-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--amber);
  opacity: 0.4;
  min-width: 32px;
}

.category-info h3 {
  font-size: 1rem;
  font-weight: 600;
}

.category-info p {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.category-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.category-progress {
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 500;
}

.category-progress .done {
  color: var(--green);
  font-weight: 600;
}

.category-chevron {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.3s;
}

.category-header.collapsed .category-chevron {
  transform: rotate(-90deg);
}

.category-mini-progress {
  width: 60px;
  height: 4px;
  background: var(--dark-card);
  border-radius: 100px;
  overflow: hidden;
}

.category-mini-fill {
  height: 100%;
  background: var(--amber);
  border-radius: 100px;
  transition: width 0.6s ease;
}

.category-steps {
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  overflow: hidden;
}

.category-steps.hidden {
  display: none;
}

/* ═══ STEP ITEM ═══ */

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.step-item:last-child {
  border-bottom: none;
}

.step-item:hover {
  background: var(--dark-card);
}

.step-item.completed {
  opacity: 0.7;
}

.step-item.completed .step-title {
  text-decoration: line-through;
  color: var(--text-dim);
}

.step-toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 2px solid var(--border);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  margin-top: 2px;
  color: transparent;
  font-size: 14px;
}

.step-toggle:hover {
  border-color: var(--amber);
  background: var(--amber-glow);
}

.step-item.completed .step-toggle {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.step-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all 0.3s;
  cursor: pointer;
}

.step-title:hover {
  color: var(--amber-light);
}

.step-xp {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--amber);
  background: var(--amber-glow);
  padding: 2px 10px;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
}

.step-desc {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

.step-details {
  margin-top: 12px;
  padding: 16px;
  background: var(--dark-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  display: none;
}

.step-details.visible {
  display: block;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-instructions {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 12px;
}

.step-resource {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--amber);
  padding: 6px 14px;
  background: var(--amber-glow);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.step-resource:hover {
  background: var(--amber);
  color: var(--dark);
}

.step-resource svg {
  width: 14px;
  height: 14px;
}

/* ═══ XP POPUP ═══ */

.xp-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
  text-shadow: 0 0 30px var(--amber-glow);
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
}

.xp-popup.show {
  animation: xpBurst 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes xpBurst {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
  30% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
  60% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  100% { transform: translate(-50%, -70%) scale(0.8); opacity: 0; }
}

/* ═══ LEVEL UP OVERLAY ═══ */

.level-up-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.level-up-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.level-up-content {
  text-align: center;
  transform: scale(0.8);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.level-up-overlay.show .level-up-content {
  transform: scale(1);
}

.level-up-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.level-up-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--amber), var(--amber-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.level-up-name {
  font-size: 1.2rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.level-up-dismiss {
  padding: 10px 32px;
  background: var(--amber);
  color: var(--dark);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.level-up-dismiss:hover {
  background: var(--amber-light);
  transform: translateY(-2px);
}

/* ═══ AUTH FORMS ═══ */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--dark-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.auth-header p {
  font-size: 14px;
  color: var(--text-dim);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-error {
  font-size: 13px;
  color: var(--red);
  margin-top: 8px;
  display: none;
}

.form-error.visible {
  display: block;
  animation: slideDown 0.2s ease;
}

.form-btn {
  width: 100%;
  padding: 14px;
  background: var(--amber);
  color: var(--dark);
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}

.form-btn:hover {
  background: var(--amber-light);
  transform: translateY(-1px);
}

.form-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-dim);
}

.form-footer a {
  color: var(--amber);
  font-weight: 500;
}

/* ═══ EMPTY STATE ═══ */

.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-state h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--text-dim);
  font-size: 14px;
}

/* ═══ LOADING ═══ */

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ═══ NEWSLETTER DASHBOARD CARD ═══ */

.newsletter-dashboard-card {
  background: var(--dark-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.newsletter-dashboard-card.subscribed {
  border-color: #22c55e33;
  background: linear-gradient(135deg, var(--dark-surface), rgba(34, 197, 94, 0.05));
}

.newsletter-dashboard-card.subscribed .ndc-icon {
  color: #22c55e;
  font-size: 1.2rem;
  background: #22c55e1a;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ndc-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 200px;
}

.ndc-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.ndc-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ndc-text strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.ndc-text span {
  font-size: 13px;
  color: var(--text-dim);
}

.ndc-form {
  display: flex;
  gap: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.ndc-form:focus-within {
  border-color: var(--amber);
  box-shadow: 0 0 0 2px var(--amber-glow);
}

.ndc-input {
  padding: 10px 14px;
  background: var(--dark-card);
  border: none;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  outline: none;
  width: 200px;
  min-width: 0;
}

.ndc-input::placeholder {
  color: var(--text-muted);
}

.ndc-btn {
  padding: 10px 20px;
  background: var(--amber);
  color: var(--dark);
  border: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.ndc-btn:hover {
  background: var(--amber-light);
}

.ndc-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ndc-msg {
  width: 100%;
  font-size: 13px;
  min-height: 0;
}

.ndc-msg:empty {
  display: none;
}

.ndc-msg.error {
  color: var(--red);
}

.ndc-msg.success {
  color: #22c55e;
}

/* ═══ RESPONSIVE ═══ */

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .app-container {
    padding: 24px 16px 60px;
  }

  .newsletter-dashboard-card {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .ndc-form {
    flex-direction: column;
  }

  .ndc-input {
    width: 100%;
  }

  .level-card {
    padding: 20px;
  }

  .xp-current {
    font-size: 1.4rem;
  }

  .level-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .category-header {
    padding: 12px 16px;
  }

  .step-item {
    padding: 12px 16px;
  }

  .step-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .auth-card {
    padding: 32px 24px;
  }

  .nav-user-name {
    display: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-inner {
    height: 56px;
  }

  .nav-brand {
    font-size: 1.1rem;
  }
}