/* Reset & Variables */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #161d30;
  --bg-tertiary: #1f2a45;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --accent-color: #6366f1;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* Shared Auth Layout */
.auth-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.15), transparent 40%),
              radial-gradient(circle at bottom left, rgba(168, 85, 247, 0.15), transparent 40%);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(22, 29, 48, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-gradient);
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.auth-logo svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

.auth-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(to right, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
  background: rgba(31, 42, 69, 0.8);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  width: 100%;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-primary:active {
  transform: translateY(1px);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
  color: #fff;
}

.btn-danger:hover {
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
  transform: translateY(-1px);
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.auth-footer a {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* Alert Boxes */
.alert {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid transparent;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.2);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.2);
}

/* App Layout */
header {
  background: rgba(22, 29, 48, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-gradient);
}

.brand-logo svg {
  width: 22px;
  height: 22px;
  fill: #fff;
}

.brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.user-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.user-info {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.user-info strong {
  color: var(--text-primary);
}

.btn-logout {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.2);
}

/* Main Container */
main {
  max-width: 1200px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1.5rem;
  flex: 1;
}

/* Page Header & Title Section */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* Creation Cards / Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 350px 1fr;
  }
}

.action-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  height: fit-content;
  box-shadow: var(--shadow);
}

.action-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
  border-left: 3px solid var(--accent-color);
  padding-left: 0.75rem;
}

/* Grid Layouts for Content */
.albums-grid, .images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

/* Album Card */
.album-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
}

.album-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 15px 30px rgba(99, 102, 241, 0.15);
}

.album-cover {
  height: 160px;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.album-cover svg {
  width: 64px;
  height: 64px;
  fill: var(--text-secondary);
  opacity: 0.3;
  transition: var(--transition);
}

.album-card:hover .album-cover svg {
  transform: scale(1.1);
  fill: var(--accent-color);
  opacity: 0.6;
}

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

.album-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(4px);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.album-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.album-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.album-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.album-footer {
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Image Card */
.image-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.image-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

.image-wrap {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: var(--bg-tertiary);
  cursor: pointer;
}

.image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.image-card:hover .image-wrap img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 25, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.image-card:hover .image-overlay {
  opacity: 1;
}

.btn-view {
  background: #fff;
  color: var(--bg-primary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transform: translateY(10px);
  transition: var(--transition);
}

.image-card:hover .btn-view {
  transform: translateY(0);
}

.image-body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.image-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
  margin-bottom: 0.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.image-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.image-footer {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.01);
}

.btn-icon-delete {
  background: transparent;
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition);
}

.btn-icon-delete:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.5);
  color: #ef4444;
}

/* Upload Area UI */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.01);
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent-color);
  background: rgba(99, 102, 241, 0.04);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.drop-zone-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  display: block;
}

.drop-zone p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.drop-zone-hint {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.25rem;
}

.file-name-preview {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--accent-color);
  font-weight: 500;
  word-break: break-all;
}

/* Empty states */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  grid-column: 1 / -1;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  fill: var(--text-secondary);
  opacity: 0.3;
  margin: 0 auto 1rem;
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 400px;
  margin: 0 auto 1.5rem;
}

.empty-state .btn {
  width: auto;
}

/* Lightbox Modal */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 15, 0.95);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.open {
  display: flex;
  opacity: 1;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox.open img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

/* Breadcrumb nav */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: var(--text-secondary);
  opacity: 0.5;
}