/* ===== Portfolio CMS - iOS Inspired Design ===== */
:root {
  --bg: #f5f5f7;
  --card-bg: #ffffff;
  --text: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #aeaeb2;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --danger: #ff3b30;
  --border: #e5e5ea;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font); border: none; outline: none; }
input, textarea, select { font-family: var(--font); outline: none; }

/* ===== Header ===== */
.site-header {
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header h1 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.site-header nav { margin-left: auto; display: flex; gap: 16px; align-items: center; }
.site-header nav a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.site-header nav a:hover { color: var(--accent); }

/* ===== Container ===== */
.container { max-width: 1280px; margin: 0 auto; padding: 32px 24px; }

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.filter-chip {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
}

.filter-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ===== Section Title ===== */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: slideUp var(--spring) forwards;
  opacity: 0;
}

/* ===== Portfolio Grid ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.portfolio-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--spring);
  cursor: pointer;
  animation: slideUp var(--spring) forwards;
  opacity: 0;
  will-change: transform;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.portfolio-card:active {
  transform: scale(0.98);
}

.card-thumb {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  background: #e5e5ea;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .card-thumb img {
  transform: scale(1.05);
}

.card-media-count {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 500;
}

.card-body { padding: 16px 18px 20px; }

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

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

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  transition: opacity var(--transition);
}

.card-link:hover { opacity: 0.7; }

.card-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  transition: all var(--transition);
}

.portfolio-card:hover .card-arrow {
  background: var(--accent);
  color: #fff;
  transform: translateX(2px);
}

/* ===== Tag Badges ===== */
.tag-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #fff;
  white-space: nowrap;
}

.tag-badge.major { font-size: 0.78rem; padding: 4px 12px; border-radius: 14px; }
.tag-badge.medium { font-size: 0.72rem; }
.tag-badge.minor { font-size: 0.68rem; padding: 2px 8px; }

.tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.6);
  margin-right: 5px;
}

/* ===== Modal / Popup Overlay ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
  padding: 20px;
}

.modal-overlay.closing {
  animation: fadeOut 0.2s ease-out forwards;
}

.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.4s var(--spring);
  position: relative;
}

.modal-content.closing {
  animation: scaleOut 0.2s ease-in forwards;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 10;
  transition: all var(--transition);
  border: none;
}

.modal-close:hover {
  background: rgba(0,0,0,0.55);
  transform: scale(1.1);
}

/* ===== Slider ===== */
.slider-wrap {
  position: relative;
  width: 100%;
  background: #000;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.slider-track {
  display: flex;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: transform;
}

.slider-slide {
  flex: 0 0 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}

.slider-slide iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 5;
  transition: all var(--transition);
  border: none;
}

.slider-arrow:hover {
  background: rgba(255,255,255,0.4);
  transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev { left: 12px; }
.slider-arrow.next { right: 12px; }

.slider-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: all var(--transition);
  border: none;
  padding: 0;
}

.slider-dot.active {
  background: #fff;
  transform: scale(1.3);
}

/* ===== Modal Info ===== */
.modal-info { padding: 20px 24px 24px; }

.modal-title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.modal-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }

.modal-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 24px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}

.modal-link-btn:hover {
  background: var(--accent-hover);
  transform: scale(1.03);
}

/* ===== No Results ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}

.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state p {
  font-size: 1rem;
  font-weight: 500;
}

/* ===== Keyframes ===== */
@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes scaleIn {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes scaleOut {
  from { transform: scale(1); opacity: 1; }
  to { transform: scale(0.92); opacity: 0; }
}

/* Stagger animation delays */
.portfolio-card:nth-child(1) { animation-delay: 0.05s; }
.portfolio-card:nth-child(2) { animation-delay: 0.1s; }
.portfolio-card:nth-child(3) { animation-delay: 0.15s; }
.portfolio-card:nth-child(4) { animation-delay: 0.2s; }
.portfolio-card:nth-child(5) { animation-delay: 0.25s; }
.portfolio-card:nth-child(6) { animation-delay: 0.3s; }
.portfolio-card:nth-child(7) { animation-delay: 0.35s; }
.portfolio-card:nth-child(8) { animation-delay: 0.4s; }

/* ===== Admin Styles ===== */
.admin-body { background: #f9fafb; }

.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px 32px;
  width: 100%;
  max-width: 400px;
  animation: scaleIn 0.4s var(--spring);
}

.login-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
  text-align: center;
}

.login-card .subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 24px;
}

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text-secondary); }

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  background: #fff;
}

.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,113,227,0.12); }

.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 0.95rem;
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--transition);
}

.form-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,113,227,0.12); }

.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  font-size: 0.95rem;
  background: #fff;
  transition: border-color var(--transition);
}

.form-select:focus { border-color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-full { width: 100%; }

.admin-container { max-width: 1280px; margin: 0 auto; padding: 24px; }

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-header h2 { font-size: 1.5rem; font-weight: 700; }

.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.admin-tabs { display: flex; gap: 4px; margin-bottom: 24px; border-bottom: 2px solid var(--border); }

.admin-tab {
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}

.admin-tab:hover { color: var(--accent); }
.admin-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Admin Table */
.admin-table {
  width: 100%;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border-collapse: collapse;
}

.admin-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  background: #f9fafb;
}

.admin-table td {
  padding: 12px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #f9fafb; }

.admin-table .row-actions { display: flex; gap: 6px; }

/* Admin Tag Management */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
}

.tag-item .tag-cat { font-size: 0.7rem; opacity: 0.7; }

.tag-item .tag-del {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition);
  font-size: 0.85rem;
}

.tag-item .tag-del:hover { opacity: 1; }

/* Admin Modal */
.admin-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease-out;
}

.admin-modal {
  background: #fff;
  border-radius: var(--radius);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.35s var(--spring);
  padding: 28px;
}

.admin-modal h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }

.admin-modal .close-btn {
  position: sticky;
  top: -8px;
  float: right;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  margin: -8px -8px 0 0;
}

.admin-modal .close-btn:hover { background: #e5e5ea; color: var(--text); }

/* Admin Media list */
.media-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }

.media-item {
  position: relative;
  width: 100px;
  height: 80px;
  border-radius: var(--radius-xs);
  overflow: hidden;
  background: #e5e5ea;
}

.media-item img { width: 100%; height: 100%; object-fit: cover; }

.media-item .media-type-icon {
  position: absolute;
  top: 4px;
  left: 4px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 4px;
}

.media-item .media-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255,0,0,0.7);
  color: #fff;
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

/* Admin color picker */
.color-presets { display: flex; flex-wrap: wrap; gap: 6px; }

.color-preset {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.color-preset:hover { transform: scale(1.15); }
.color-preset.selected { border-color: var(--text); transform: scale(1.15); box-shadow: 0 0 0 3px rgba(0,0,0,0.08); }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1d1d1f;
  color: #fff;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 2000;
  animation: slideUp 0.3s ease-out;
  box-shadow: var(--shadow-lg);
}

.toast.error { background: var(--danger); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .container { padding: 20px 16px; }
  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
  .section-title { font-size: 1.4rem; }
  .modal-content { max-width: 100%; border-radius: var(--radius) var(--radius) 0 0; }
  .slider-wrap { border-radius: var(--radius) var(--radius) 0 0; }
  .slider-arrow { width: 32px; height: 32px; }
  .modal-info { padding: 16px 18px 20px; }
  .admin-table { font-size: 0.82rem; }
  .admin-table th, .admin-table td { padding: 10px 12px; }
}

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .card-thumb { height: 180px; }
  .admin-modal { padding: 20px; border-radius: var(--radius-sm); }
  .admin-modal h3 { font-size: 1.1rem; }
}