@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@400;500;600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --bg-dark: #0f0f0f;
  --bg-card: #1a1a1a;
  --bg-elevated: #242424;
  --text-primary: #fafafa;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-soft: rgba(245, 158, 11, 0.1);
  --border: #2a2a2a;
  --success: #22c55e;
  --error: #ef4444;
  --verified: #f59e0b;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

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

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

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
}

/* Navigation */
.nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
}

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

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

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

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

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

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

/* Avatar */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-elevated);
}

.avatar-lg {
  width: 120px;
  height: 120px;
}

.avatar-sm {
  width: 36px;
  height: 36px;
}

.avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-muted);
}

/* Verified badge */
.verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--verified);
  border-radius: 50%;
  margin-left: 4px;
}

.verified-badge svg {
  width: 12px;
  height: 12px;
  fill: var(--bg-dark);
}

/* Post card */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
}

.post-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
}

.post-author {
  flex: 1;
}

.post-author-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
}

.post-time {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.post-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--bg-elevated);
}

.post-caption {
  padding: 16px;
  color: var(--text-secondary);
}

/* Cat card */
.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.cat-card-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cat-card-breed {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.cat-card-followers {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Grid */
.grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Hero */
.hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #1a1510 100%);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 32px;
}

/* Profile header */
.profile-header {
  text-align: center;
  padding: 40px 20px;
}

.profile-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 20px;
}

.profile-stat {
  text-align: center;
}

.profile-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.profile-stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Profile grid */
.profile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 20px;
}

.profile-grid img {
  aspect-ratio: 1;
  object-fit: cover;
  width: 100%;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.profile-grid img:hover {
  opacity: 0.8;
}

/* Auth forms */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
}

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

.auth-header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.auth-header p {
  color: var(--text-secondary);
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  color: var(--text-muted);
}

/* File upload */
.file-upload {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.file-upload:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.file-upload input {
  display: none;
}

.file-upload-preview {
  width: 100%;
  max-height: 400px;
  object-fit: contain;
  border-radius: 12px;
  margin-top: 16px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

/* Subscription banner */
.subscription-banner {
  background: linear-gradient(135deg, var(--accent-soft) 0%, transparent 100%);
  border: 1px solid var(--accent);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.subscription-banner h3 {
  color: var(--accent);
  margin-bottom: 8px;
}

.subscription-banner ul {
  list-style: none;
  margin: 16px 0;
}

.subscription-banner li {
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.subscription-banner li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* Loading */
.loading {
  display: flex;
  justify-content: center;
  padding: 40px;
}

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

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

/* Toasts */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 16px 20px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--error);
}

/* Utilities */
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }