@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600&display=swap');

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

:root {
  --bg: #ffffff;
  --surface: #f7f7f7;
  --surface2: #f0f0f0;
  --border: #e5e5e5;
  --border2: #d4d4d4;
  --text: #111111;
  --text2: #555555;
  --text3: #888888;
  --accent: #3b3b3b;
  --accent-light: #f3f3f3;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --font: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="dark"] {
  --bg: #121212;
  --surface: #1e1e1e;
  --surface2: #2a2a2a;
  --border: #333333;
  --border2: #444444;
  --text: #eeeeee;
  --text2: #b0b0b0;
  --text3: #777777;
  --accent: #ffffff;
  --accent-light: #2a2a2a;
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.6);
}

[data-theme="dark"] .btn-primary {
  background: #ffffff;
  color: #121212;
}
[data-theme="dark"] .btn-primary:hover {
  background: #e0e0e0;
}
[data-theme="dark"] .btn-secondary {
  background: transparent;
  border-color: var(--border2);
  color: var(--text);
}
[data-theme="dark"] .btn-ghost:hover {
  background: var(--surface2);
  color: var(--text);
}
[data-theme="dark"] .dropdown {
  background: var(--surface);
  border-color: var(--border2);
}
[data-theme="dark"] .dropdown-item:hover {
  background: var(--surface2);
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: var(--font); }

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 180px;
  display: none;
  overflow: hidden;
  animation: slideIn 0.15s ease-out;
}
.dropdown.show { display: block; }
@keyframes slideIn { from { opacity:0; transform: translateY(-4px); } to { opacity:1; transform: translateY(0); } }

.dropdown-item {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text2);
  transition: background 0.1s;
  cursor: pointer;
}
.dropdown-item:hover { background: var(--surface); color: var(--text); }

.nav-logo {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--text3); font-weight: 400; }

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

.nav-link {
  font-size: 14px;
  color: var(--text2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--surface); color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  cursor: pointer;
}

.btn-primary {
  background: var(--text);
  color: #fff;
  border: 1px solid var(--text);
}
.btn-primary:hover { background: #333; }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface2); border-color: var(--border2); }

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid transparent;
  padding: 6px 10px;
}
.btn-ghost:hover { background: var(--surface); color: var(--text); }

.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-danger { background: #fee; color: #c33; border-color: #fcc; }
.btn-danger:hover { background: #fdd; }

/* ── Forms ── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-label { font-size: 13px; font-weight: 500; color: var(--text2); }

.form-input {
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  width: 100%;
}
.form-input:focus { border-color: #aaa; box-shadow: 0 0 0 3px rgba(0,0,0,0.05); }
.form-input::placeholder { color: var(--text3); }

textarea.form-input { resize: vertical; min-height: 80px; }

.form-hint { font-size: 12px; color: var(--text3); }

/* ── Checkbox toggle ── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}
.toggle-label { font-size: 14px; color: var(--text); }
.toggle-hint { font-size: 12px; color: var(--text3); margin-top: 2px; }

.toggle {
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border2);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle input:checked + .toggle-track { background: var(--text); }
.toggle-track::after {
  content: '';
  position: absolute;
  left: 3px; top: 3px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}
.toggle input:checked + .toggle-track::after { transform: translateX(18px); }

/* ── Search bar ── */
.search-wrap {
  position: relative;
  max-width: 480px;
  width: 100%;
}
.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.search-input:focus {
  background: var(--bg);
  border-color: #bbb;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
}
.search-input::placeholder { color: var(--text3); }

/* ── Gallery grid ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--bg);
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}
.project-card-image {
  width: 100%;
  height: 110px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  object-fit: cover;
  flex-shrink: 0;
}
.project-card-content {
  padding: 14px;
  flex: 1;
}
.project-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  border-color: var(--border2);
}
.project-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.project-card-author {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text2);
}
.project-card-desc {
  font-size: 13px;
  color: var(--text2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 4px;
}
.project-card-footer {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text3);
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--text3);
}
.empty-state h3 { font-size: 16px; color: var(--text2); font-weight: 500; margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--text);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  transform: scale(0.97) translateY(8px);
  transition: transform 0.2s;
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }
.modal-title { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.modal-sub {
  font-size: 14px;
  color: var(--text3);
  margin-bottom: 24px;
}

/* ── Social Auth ── */
.social-auth {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.social-divider {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}
.social-divider::before,
.social-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.social-divider span {
  padding: 0 14px;
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.modal-footer {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}
.modal-footer .btn {
  flex: 1;
  justify-content: center;
}
.social-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s;
}
.social-btn:hover {
  background: var(--surface2);
  border-color: var(--border2);
  transform: translateY(-1px);
}
.social-btn svg {
  opacity: 0.9;
}
.social-btn span {
  display: inline-block;
}

.modal-tabs { display: flex; gap: 0; margin-bottom: 20px; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.modal-tab {
  flex: 1;
  padding: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text2);
  background: var(--surface);
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.modal-tab.active { background: var(--bg); color: var(--text); }

/* ── Misc ── */
.divider { height: 1px; background: var(--border); margin: 24px 0; }
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  background: var(--surface2);
  color: var(--text3);
}
.page-container { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }
.error-msg { font-size: 13px; color: #c33; margin-top: 8px; display: none; }
.error-msg.show { display: block; }

/* ── Avatars ── */
.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface2);
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
  display: block;
}
.avatar-sm { width: 28px; height: 28px; }
.avatar-lg { width: 64px; height: 64px; }

.user-profile-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.dashboard-tabs {
  display: flex;
  gap: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}
.dashboard-tab {
  padding: 8px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--text3);
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.dashboard-tab.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.project-card-author-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

/* ── Rating ── */
.rating-stars {
  display: flex;
  gap: 2px;
}
.star {
  cursor: pointer;
  color: var(--border2);
  transition: transform 0.1s, color 0.1s;
}
.star:hover { transform: scale(1.15); }
.star.filled { color: #ffb800; }
.star.readonly { cursor: default; }
.star.readonly:hover { transform: none; }

.rating-summary {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text2);
}

@media (max-width: 600px) {
  .nav { padding: 0 16px; }
  .page-container { padding: 20px 16px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}