/* Calvin Feng Photography - Premium Design */
/* Inspired by 1x.com - In Pursuit Of The Sublime */

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

:root {
  --color-bg: #ffffff;
  --color-text: #000000;
  --color-text-secondary: #666666;
  --color-border: #e0e0e0;
  --color-accent: #000000;
  --color-success: #2e7d32;
  --color-warning: #ed6c02;
  --color-error: #d32f2f;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 64px;
  --spacing-xl: 120px;
  --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08);
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  font-weight: 300;
  letter-spacing: 0.3px;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 80px, rgba(0,0,0,0.005) 80px, rgba(0,0,0,0.005) 81px);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  /* Prevent image download */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  /* Prevent mobile long-press save menu (iOS Safari) */
  -webkit-touch-callout: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.header {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  z-index: 1000;
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
  transition: all var(--transition-base);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: none;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-base);
  cursor: pointer;
}

.logo:hover {
  opacity: 0.7;
}

.logo img {
  transition: transform var(--transition-base);
}

.logo:hover img {
  transform: rotate(90deg);
}

.header-nav {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid transparent;
  text-decoration: none;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-link:hover {
  color: var(--color-text);
  transform: translateY(-1px);
}

.nav-link:hover::after {
  width: 60%;
}

.admin-link, .back-link {
  color: var(--color-text-secondary);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid transparent;
}

.admin-link:hover, .back-link:hover {
  color: var(--color-text);
  border-color: var(--color-text-secondary);
  transform: translateY(-1px);
}

.admin-link:hover, .back-link:hover {
  color: var(--color-text);
  border-color: var(--color-text-secondary);
}

/* Tagline */
.tagline {
  text-align: center;
  padding: var(--spacing-xl) 0;
  font-size: 28px;
  font-weight: 200;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* Category Navigation */
.category-nav {
  position: sticky;
  top: 81px;
  background: rgba(255, 255, 255, 0.95);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
  z-index: 999;
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.03);
}

.category-nav .container {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.category-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 10px;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid transparent;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  font-weight: 400;
}

.category-btn::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.category-btn:hover {
  color: var(--color-text);
  transform: translateY(-1px);
}

.category-btn:hover::before {
  width: 70%;
}

.category-btn.active {
  color: var(--color-text);
  border-color: var(--color-text);
  font-weight: 500;
}

.category-btn.active::before {
  width: 0;
}

/* Photo Grid */
.photo-grid {
  padding: var(--spacing-xl) 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.photo-card {
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.photo-card:nth-child(1) { animation-delay: 0.05s; }
.photo-card:nth-child(2) { animation-delay: 0.1s; }
.photo-card:nth-child(3) { animation-delay: 0.15s; }
.photo-card:nth-child(4) { animation-delay: 0.2s; }
.photo-card:nth-child(5) { animation-delay: 0.25s; }
.photo-card:nth-child(6) { animation-delay: 0.3s; }
.photo-card:nth-child(7) { animation-delay: 0.35s; }
.photo-card:nth-child(8) { animation-delay: 0.4s; }
.photo-card:nth-child(9) { animation-delay: 0.45s; }

.photo-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.photo-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: all var(--transition-slow);
  background: #f8f8f8;
  filter: grayscale(0.15);
}

.photo-card img.loaded {
  opacity: 1;
}

.photo-card:hover img {
  filter: grayscale(0);
  transform: scale(1.02);
}

.photo-info {
  padding: var(--spacing-lg) 0;
  transition: all var(--transition-base);
}

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

.photo-title {
  font-size: 15px;
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.3px;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.photo-card:hover .photo-title {
  letter-spacing: 0.5px;
}

.photo-meta {
  font-size: 11px;
  color: var(--color-text-secondary);
  display: flex;
  gap: var(--spacing-md);
  letter-spacing: 0.5px;
  font-weight: 300;
}

/* Photo Detail Page */
.photo-detail {
  padding: calc(var(--spacing-xl) * 1.2) 0;
  animation: fadeIn 0.5s ease;
}

.photo-container {
  max-width: 1200px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.photo-container img {
  width: 100%;
  height: auto;
  cursor: zoom-in;
  transition: all var(--transition-slow);
  filter: grayscale(0.1);
  box-shadow: var(--shadow-md);
}

.photo-container img:hover {
  filter: grayscale(0);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.photo-details {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--spacing-xl) 0;
  opacity: 0;
  animation: fadeIn 0.6s ease 0.3s forwards;
}

.photo-detail-title {
  font-size: 28px;
  font-weight: 300;
  margin-bottom: var(--spacing-lg);
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: var(--spacing-md);
}

.photo-detail-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: var(--color-text);
}

.photo-description {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  letter-spacing: 0.2px;
}

.photo-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-xl);
}

.action-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: transparent;
  position: relative;
  overflow: hidden;
}

.action-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-text);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.action-btn:hover {
  border-color: var(--color-text);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.action-btn:hover::before {
  left: 0;
}

.action-btn.liked {
  color: var(--color-text);
  border-color: var(--color-text);
  font-weight: 500;
}

.action-btn.liked::before {
  left: -100%;
}

/* Comments Section */
.comments-section {
  max-width: 640px;
  margin: 0 auto;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.comments-header {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-secondary);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.comments-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--color-text-secondary);
}

.comment-form {
  margin-bottom: calc(var(--spacing-xl) * 1.5);
  padding: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.01);
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-input, .form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 13px;
  font-family: inherit;
  transition: all var(--transition-base);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-text);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.btn-primary {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-text);
  color: var(--color-bg);
  border: none;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-primary:hover {
  background: rgba(0, 0, 0, 0.85);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
  color: var(--color-bg);
  border: none;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  opacity: 0.7;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.comment-item {
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.comment-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  font-size: 11px;
  letter-spacing: 0.5px;
}

.comment-author {
  color: var(--color-text);
  text-transform: uppercase;
}

.comment-time {
  color: var(--color-text-secondary);
}

.comment-content {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  cursor: zoom-out;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Loading State */
.loading {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-secondary);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Admin Styles */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
  position: relative;
}

.login-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.01) 2px, rgba(0,0,0,0.01) 4px);
  pointer-events: none;
}

.login-container {
  max-width: 420px;
  width: 100%;
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-container h1 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.login-container h2 {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xl);
  text-align: center;
  color: var(--color-text-secondary);
}

.login-container form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.login-container input {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 14px;
  transition: all var(--transition-base);
}

.login-container input:focus {
  outline: none;
  border-color: var(--color-text);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.error-message {
  color: var(--color-error);
  font-size: 12px;
  text-align: center;
  animation: shake 0.4s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

/* Admin Dashboard */
.admin-dashboard {
  min-height: 100vh;
  background: #f8f8f8;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(0,0,0,0.008) 40px, rgba(0,0,0,0.008) 41px);
}

.admin-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

.admin-header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.admin-logo {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--color-text);
  white-space: nowrap;
  transition: opacity var(--transition-base);
}

.admin-logo:hover {
  opacity: 0.7;
}

.admin-nav {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  flex: 1;
}

.admin-actions {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.nav-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 1px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.nav-btn:hover {
  color: var(--color-text);
  transform: translateY(-1px);
}

.nav-btn:hover::before {
  width: 80%;
}

.nav-btn.active {
  color: var(--color-text);
  border-color: var(--color-text);
  font-weight: 500;
}

.nav-btn.active::before {
  width: 0;
}

.logout-btn:hover {
  color: var(--color-error);
  border-color: var(--color-error);
}

.logout-btn:hover::before {
  background: var(--color-error);
}

.admin-page {
  display: none;
  padding: var(--spacing-xl) 0;
  animation: fadeIn 0.4s ease;
}

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

.admin-page.active {
  display: block;
}

.admin-page .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.admin-page h2 {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.admin-page h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 1px;
  background: var(--color-text);
}

.admin-page h3 {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-text), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 0, 0, 0.15);
}

.stat-card:hover::before {
  transform: translateX(100%);
}

.stat-card h3 {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-md) 0;
}

.stat-number {
  font-size: 42px;
  font-weight: 200;
  color: var(--color-text);
  margin: 0;
  line-height: 1;
  letter-spacing: -1px;
  transition: all var(--transition-slow);
}

.stat-card:hover .stat-number {
  transform: scale(1.05);
  letter-spacing: 0px;
}

/* Category Chart */
.category-chart {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.category-chart > div {
  margin: var(--spacing-md) 0;
  opacity: 0;
  animation: slideInLeft 0.5s ease forwards;
}

.category-chart > div:nth-child(1) { animation-delay: 0.1s; }
.category-chart > div:nth-child(2) { animation-delay: 0.2s; }
.category-chart > div:nth-child(3) { animation-delay: 0.3s; }
.category-chart > div:nth-child(4) { animation-delay: 0.4s; }
.category-chart > div:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Recent Comments */
.recent-comments {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.recent-comments > div {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.recent-comments > div:last-child {
  border-bottom: none;
}

.recent-comments > div:hover {
  padding-left: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.01);
}

/* Toolbar */
.toolbar {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.toolbar input,
.toolbar select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.toolbar input {
  flex: 1;
  min-width: 200px;
}

.toolbar input:focus,
.toolbar select:focus {
  outline: none;
  border-color: var(--color-text);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--color-border);
  background: var(--color-bg);
  padding: calc(var(--spacing-xl) * 1.5);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.drop-zone::before {
  content: '📸';
  font-size: 48px;
  display: block;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
  transition: all var(--transition-base);
}

.drop-zone:hover {
  border-color: var(--color-text);
  background: #fafafa;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.drop-zone:hover::before {
  opacity: 0.6;
  transform: scale(1.1);
}

.drop-zone p {
  color: var(--color-text-secondary);
  font-size: 13px;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.5px;
}

/* Selected Files */
.selected-files {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.file-preview {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xs);
  transition: all var(--transition-base);
  opacity: 0;
  animation: fadeInUp 0.3s ease forwards;
}

.file-preview:nth-child(1) { animation-delay: 0.05s; }
.file-preview:nth-child(2) { animation-delay: 0.1s; }
.file-preview:nth-child(3) { animation-delay: 0.15s; }
.file-preview:nth-child(4) { animation-delay: 0.2s; }

.file-preview:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.file-preview img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  margin-bottom: var(--spacing-xs);
  filter: grayscale(0.3);
  transition: filter var(--transition-base);
}

.file-preview:hover img {
  filter: grayscale(0);
}

.file-name {
  font-size: 10px;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

/* Upload Actions */
.upload-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

/* Upload Progress */
.upload-progress {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.3s ease;
}

.upload-progress p {
  font-size: 13px;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-md);
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.08);
  overflow: hidden;
  position: relative;
}
  margin-top: var(--spacing-md);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-text) 0%, rgba(0,0,0,0.6) 100%);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

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

/* Admin Comments List */
.admin-comments-list > div {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--spacing-md);
}

/* Responsive Admin */
@media (max-width: 968px) {
  .admin-header-content {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-logo {
    text-align: center;
    justify-content: center;
  }

  .admin-actions {
    justify-content: center;
  }

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

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
  }

  .toolbar input {
    width: 100%;
  }
}

/* Edit Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
  z-index: 10000;
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background: var(--color-bg);
  padding: var(--spacing-xl);
  max-width: 540px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close:hover {
  color: var(--color-text);
  background: rgba(0, 0, 0, 0.05);
  transform: rotate(90deg);
}

.modal h2 {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.btn-secondary {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--color-text);
  color: var(--color-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
  text-transform: uppercase;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

/* Admin specific styles */
.admin-photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.admin-photo-card {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  animation: fadeInUp 0.5s ease forwards;
}

.admin-photo-card:nth-child(1) { animation-delay: 0.05s; }
.admin-photo-card:nth-child(2) { animation-delay: 0.1s; }
.admin-photo-card:nth-child(3) { animation-delay: 0.15s; }
.admin-photo-card:nth-child(4) { animation-delay: 0.2s; }
.admin-photo-card:nth-child(5) { animation-delay: 0.25s; }
.admin-photo-card:nth-child(6) { animation-delay: 0.3s; }

.admin-photo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 0, 0, 0.2);
}

.admin-photo-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: all var(--transition-slow);
  filter: grayscale(0.2);
}

.admin-photo-card:hover img {
  filter: grayscale(0);
  transform: scale(1.03);
}

.admin-photo-card .card-content {
  padding: var(--spacing-md) var(--spacing-lg);
}

.admin-photo-card .card-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.admin-photo-card .card-meta {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.5px;
}

.admin-photo-card .card-actions {
  display: flex;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.icon-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 11px;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.5px;
}

.icon-btn:hover {
  border-color: var(--color-text);
  color: var(--color-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* About Page */
.about-page {
  padding: calc(var(--spacing-xl) * 1.5) 0;
  animation: fadeIn 0.6s ease;
}

.about-content {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-xl) * 1.2);
  align-items: center;
}

.about-photo {
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeInLeft 0.8s ease forwards;
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.about-photo::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 1px solid rgba(0, 0, 0, 0.1);
  pointer-events: none;
  z-index: 1;
}

.about-photo img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(0.2);
  transition: all var(--transition-slow);
}

.about-photo:hover img {
  filter: grayscale(0);
  transform: scale(1.02);
}

.about-bio {
  opacity: 0;
  animation: fadeInRight 0.8s ease 0.2s forwards;
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.about-title {
  font-size: 36px;
  font-weight: 300;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.about-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 2px;
  background: var(--color-text);
}

.about-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  letter-spacing: 0.2px;
}

.about-text p {
  margin-bottom: var(--spacing-lg);
}

.about-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.about-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--color-text);
  border: 1px solid var(--color-text);
  transition: all var(--transition-base);
  text-align: left;
  position: relative;
  overflow: hidden;
}

.about-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-text);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.about-link:hover {
  color: var(--color-bg);
  transform: translateX(4px);
}

.about-link:hover::before {
  left: 0;
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 32px;
    --spacing-xl: 64px;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  /* Mobile Header */
  .header {
    padding: var(--spacing-md) 0;
  }

  .header .container {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
  }

  .logo {
    font-size: 20px;
    gap: 8px;
    text-align: center;
  }

  .logo img {
    width: 28px;
    height: 28px;
  }

  .header-nav {
    width: 100%;
    justify-content: center;
    gap: var(--spacing-md);
  }

  .nav-link {
    font-size: 10px;
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  /* Mobile Category Nav */
  .category-nav {
    top: auto;
    position: relative;
    padding: var(--spacing-md) 0;
  }

  .category-nav .container {
    gap: var(--spacing-xs);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .category-nav .container::-webkit-scrollbar {
    display: none;
  }

  .category-btn {
    font-size: 9px;
    padding: var(--spacing-xs) var(--spacing-sm);
    letter-spacing: 1.5px;
  }

  /* Mobile Photo Grid */
  .photo-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
  }

  .photo-info {
    padding: var(--spacing-md) 0;
  }

  .photo-title {
    font-size: 14px;
  }

  .photo-meta {
    font-size: 10px;
    gap: var(--spacing-sm);
  }

  /* Mobile About Page */
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .about-title {
    font-size: 24px;
    text-align: center;
  }

  .about-title::after {
    left: 50%;
  }

  .about-text {
    font-size: 14px;
    text-align: center;
  }

  /* Mobile Photo Detail */
  .photo-detail {
    padding: var(--spacing-lg) 0;
  }

  .photo-container {
    margin-bottom: var(--spacing-lg);
  }

  .photo-detail-title {
    font-size: 20px;
  }

  .photo-description {
    font-size: 14px;
  }

  .photo-actions {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .action-btn {
    font-size: 10px;
    padding: var(--spacing-xs) var(--spacing-md);
  }

  /* Mobile Admin */
  .admin-header-content {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .admin-logo {
    text-align: center;
    justify-content: center;
    font-size: 14px;
  }

  .admin-nav {
    justify-content: center;
    gap: var(--spacing-xs);
  }

  .admin-actions {
    justify-content: center;
  }

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

  .admin-photos-grid {
    grid-template-columns: 1fr;
  }
}

/* Extra small devices */
@media (max-width: 480px) {
  .logo {
    font-size: 18px;
  }

  .header-nav {
    flex-direction: row;
    gap: var(--spacing-sm);
  }

  .nav-link {
    font-size: 9px;
    padding: 6px 10px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .category-btn {
    font-size: 8px;
    padding: 6px 12px;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }