/* ===== Design Tokens ===== */
:root {
  --color-bg: #f0fdfa;
  --color-surface: #ffffff;
  --color-primary: #0d9488;
  --color-primary-dark: #065f46;
  --color-primary-light: #14b8a6;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-border: #e2e8f0;
  --color-badge: #f0fdfa;
  --color-badge-text: #0d9488;
  --color-notification: #fef3c7;
  --color-notification-border: #d4a017;
  --color-white: #ffffff;
  --color-black: #000000;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text);
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  list-style: none;
}

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

input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(240, 253, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: border-color var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.site-header.scrolled {
  background: rgba(240, 253, 250, 0.95);
  border-bottom-color: var(--color-border);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.header-logo:hover {
  color: var(--color-primary);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  font-weight: 400;
}

.header-nav a:hover {
  color: var(--color-primary);
}

.header-nav a.active {
  color: var(--color-primary);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}

.header-cta:hover {
  background: var(--color-primary-dark);
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 48px) 24px 48px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg-1,
.hero-bg-2,
.hero-bg-3 {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  will-change: transform;
  animation: meshDrift 20s ease-in-out infinite;
}

.hero-bg-1 {
  width: 600px;
  height: 600px;
  background: var(--color-primary-light);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.hero-bg-2 {
  width: 500px;
  height: 500px;
  background: #bbf7d0;
  bottom: -150px;
  left: -100px;
  animation-delay: -7s;
}

.hero-bg-3 {
  width: 400px;
  height: 400px;
  background: #93c5fd;
  top: 40%;
  left: 30%;
  animation-delay: -14s;
}

@keyframes meshDrift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  25% { transform: translate3d(30px, -40px, 0) scale(1.05); }
  50% { transform: translate3d(-20px, 30px, 0) scale(0.95); }
  75% { transform: translate3d(40px, 20px, 0) scale(1.02); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
}

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  margin: 0 auto;
}

.hero-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 32px;
  border: 3px solid var(--color-border);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -10px, 0); }
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: #fff;
}

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

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translate3d(0, 40px, 0);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ===== Section ===== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== Cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-badge);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== Work Grid ===== */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.work-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.work-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.work-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.work-card-body {
  padding: 20px;
}

.work-card-body h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.work-card-body p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== Writing List ===== */
.writing-list {
  max-width: 720px;
  margin: 0 auto;
}

.writing-entry {
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.writing-entry:last-child {
  border-bottom: none;
}

.writing-entry h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.writing-entry p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.writing-entry .entry-date {
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  display: block;
}

/* ===== Profile Section ===== */
.profile-section {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.profile-image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
  flex-shrink: 0;
}

.profile-text {
  flex: 1;
}

.profile-text h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.profile-text p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== Stats Row ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  margin: 48px 0;
}

.stat-item {
  text-align: center;
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
}

.timeline-year {
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.timeline-item h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.timeline-item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
  margin-top: 80px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* ===== Noise Overlay ===== */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ===== SVG Flow Paths ===== */
.flow-paths {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.flow-paths path {
  stroke: var(--color-primary);
  stroke-width: 1;
  fill: none;
  opacity: 0.08;
  stroke-dasharray: 8 4;
  animation: flowDash 20s linear infinite;
}

@keyframes flowDash {
  to { stroke-dashoffset: -1000; }
}

/* ===== Cursor Glow ===== */
.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(13,148,136,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate3d(-50%, -50%, 0);
  will-change: left, top;
  transition: opacity 0.3s ease;
}

/* ===== Mobile Menu ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 999;
  padding: 24px;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  font-size: 1.2rem;
  color: var(--color-text);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .header-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-nav {
    display: none;
  }

  .mobile-nav.open {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 32px) 24px 32px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-avatar {
    width: 96px;
    height: 96px;
  }

  .section {
    padding: 48px 0;
  }

  .profile-section {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

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

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

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .cursor-glow {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 16px;
  }

  .stat-number {
    font-size: 1.5rem;
  }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .cursor-glow {
    display: none;
  }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.text-sm { font-size: 0.8rem; }
.text-muted { color: var(--color-text-secondary); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ===== Hero Subtitle & Meta ===== */
.hero-subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  font-weight: 400;
}

.hero-meta {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--color-badge);
  color: var(--color-badge-text);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== Section Alt ===== */
.section-alt {
  background: var(--color-bg);
}

/* ===== Personal Grid ===== */
.personal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.personal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  cursor: pointer;
}

.personal-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.personal-card-visual {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-badge);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.personal-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.personal-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== Resource Grid ===== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.resource-card {
  display: block;
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
}

.resource-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-text);
}

.resource-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-badge);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.resource-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.resource-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.resource-link {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* ===== Location Card ===== */
.location-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.location-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.location-info h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.location-address {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.location-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.notification-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--color-notification);
  border: 1px solid var(--color-notification-border);
  border-radius: 8px;
  font-size: 0.8rem;
  color: #92400e;
  margin-top: 12px;
}

/* ===== Footer ===== */
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 24px;
}

/* ===== Admin Panel Styles ===== */
.admin-login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--color-bg);
  padding: 24px;
}

.admin-login-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-xl);
}

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

.admin-login-header h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.admin-login-header p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

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

.admin-login-form .form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.admin-login-form .form-group input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  background: var(--color-bg);
}

.admin-login-form .form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.form-error {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #dc2626;
  font-size: 0.85rem;
  margin-bottom: 16px;
  padding: 8px 12px;
  background: #fef2f2;
  border-radius: var(--radius-sm);
}

.admin-login-hint {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 20px;
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: 24px 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
  transition: transform var(--transition);
}

.admin-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 16px;
}

.admin-sidebar-header h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
}

.admin-sidebar-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
}

.admin-sidebar-close:hover {
  color: #fff;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
}

.admin-nav-link {
  display: block;
  padding: 10px 14px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.admin-nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.admin-nav-link.active {
  color: #fff;
  background: var(--color-primary);
}

.admin-nav-logout {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #f87171;
}

.admin-nav-logout:hover {
  background: rgba(248, 113, 113, 0.1);
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  padding: 24px;
  min-height: 100vh;
}

.admin-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-bottom: 16px;
}

.admin-content {
  max-width: 900px;
}

.admin-section {
  display: none;
}

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

.admin-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.admin-welcome {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.admin-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.admin-stat h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.admin-stat p {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.admin-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
}

.admin-form .form-group {
  margin-bottom: 16px;
}

.admin-form .form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--color-text);
}

.admin-form .form-group input,
.admin-form .form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  background: var(--color-bg);
}

.admin-form .form-group input:focus,
.admin-form .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

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

.admin-file-input {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
}

.admin-section .btn {
  margin-top: 12px;
}

@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
  }
  .admin-menu-toggle {
    display: block;
  }
}