@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;700&display=swap');

:root {
  --bg-primary: #eee;
  --bg-secondary: #f9fafb;
  --bg-card: rgba(255, 255, 255, 0.85);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(59, 130, 246, 0.4);
  
  --text-primary: #1f2937;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  
  --accent-blue: #2563eb;
  --accent-teal: #0d9488;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);
  --glow-shadow: 0 10px 25px rgba(37, 99, 235, 0.15);
  
  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'Space Grotesk', sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Background blob effects */
body::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

body::after {
  content: '';
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.05) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* Header & Main Container */
header {
  text-align: center;
  padding: 5rem 2rem 3rem;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 3rem;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.15rem;
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

main {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}

/* Grid Layout (2 rows of 3 on desktop) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

.gallery-item {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  transition: var(--transition-smooth);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 1px solid transparent;
  background: var(--accent-gradient) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition-smooth);
}

/* Hover effects */
.gallery-item:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: var(--glow-shadow), 0 20px 40px rgba(0, 0, 0, 0.4);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item:hover::after {
  opacity: 1;
}

.item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(7, 8, 13, 0.95) 0%, rgba(7, 8, 13, 0) 100%);
  opacity: 0;
  transform: translateY(15px);
  transition: var(--transition-smooth);
}

.gallery-item:hover .item-overlay {
  opacity: 1;
  transform: translateY(0);
}

.item-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.item-title::before {
  display: none;
}

/* Footer styling */
footer {
  text-align: center;
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background-color: rgba(7, 8, 13, 0.6);
  backdrop-filter: blur(8px);
  font-size: 0.9rem;
  color: var(--text-muted);
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

/* Admin Panel & Login */
.admin-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem 5rem;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-card {
  max-width: 440px;
  margin: 6rem auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-card h2 {
  font-family: var(--font-mono);
  font-size: 2rem;
  margin-bottom: 0.5rem;
  text-align: center;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: center;
  margin-bottom: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.25);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: var(--accent-gradient);
  border: none;
  border-radius: 10px;
  padding: 0.85rem 1.5rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-shadow);
  opacity: 0.95;
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: auto;
  font-size: 0.9rem;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
  box-shadow: none;
  transform: translateY(-1px);
}

.alert {
  padding: 0.85rem 1.1rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  border: 1px solid transparent;
  line-height: 1.4;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.alert-success {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

/* Dashboard Header */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 4rem 0 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.dashboard-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  font-family: var(--font-sans);
}

.dashboard-header h1 span {
  font-family: var(--font-mono);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 960px) {
  .admin-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .dashboard-header .btn-secondary {
    width: 100%;
    text-align: center;
  }
}

.admin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: var(--transition-smooth);
}

.admin-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.admin-card-preview {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  position: relative;
}

.admin-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.slot-number {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-teal);
}

.file-name {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.file-input-wrapper {
  position: relative;
  overflow: hidden;
  display: inline-block;
  width: 100%;
}

.file-input-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-color);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
}

.file-input-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

.file-input-wrapper input[type=file] {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.btn-upload {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--accent-blue);
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  font-weight: 500;
}

.btn-upload:hover {
  background: var(--accent-blue);
  color: #fff;
  border-color: transparent;
}

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

/* Responsive design - Mobile (one below other) */
@media (max-width: 768px) {
  header {
    padding: 3.5rem 1.5rem 2rem;
  }
  
  .logo-text {
    font-size: 2.25rem;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .gallery-item {
    border-radius: 16px;
  }
  
  .gallery-item::after {
    border-radius: 16px;
  }
}

/* Loading State Styles */
.loading-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-style: dashed;
  position: relative;
  overflow: hidden;
  animation: pulse-bg 2s infinite ease-in-out;
}

.backend-loading-slot {
  background: var(--bg-card);
  position: absolute;
  inset: 0;
  border-radius: 12px;
  border: none;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(37, 99, 235, 0.1);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 1s infinite linear;
  margin-bottom: 1rem;
}

.loading-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Delete Button Styles */
.btn-delete {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  font-weight: 500;
  width: 100%;
  margin-top: 0.25rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-delete:hover {
  background: #ef4444;
  color: #fff;
  border-color: transparent;
  transform: translateY(-1px);
  box-shadow: 0 5px 15px rgba(239, 68, 68, 0.2);
}

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

@keyframes pulse-bg {
  0%, 100% { background-color: var(--bg-card); }
  50% { background-color: rgba(255, 255, 255, 0.45); }
}