@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0b0f19;
  --bg-secondary: rgba(17, 24, 39, 0.7);
  --bg-card: rgba(30, 41, 59, 0.4);
  --bg-glass: rgba(15, 23, 42, 0.6);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-primary: #6366f1; /* Indigo */
  --accent-hover: #4f46e5;
  --accent-secondary: #8b5cf6; /* Violet */
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --accent-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.1);
  
  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Inter', sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.3);
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.2);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.4);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Layout Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

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

.logo-section h1 {
  font-size: 2.25rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

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

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.5);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: var(--error-bg);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: var(--error);
  color: white;
  border-color: var(--error);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: 50%;
  aspect-ratio: 1;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--border-focus);
}

/* Password Gate Overlay (Glassmorphism) */
.password-gate {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.password-gate.hidden {
  opacity: 0;
  pointer-events: none;
}

.gate-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-glass);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  text-align: center;
  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.gate-card h2 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gate-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Project Cards Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.project-thumbnail {
  aspect-ratio: 16/10;
  width: 100%;
  background: rgba(15, 23, 42, 0.5);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.project-card:hover .project-thumbnail img {
  transform: scale(1.05);
}

.project-thumbnail .no-images {
  color: var(--text-muted);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.project-info {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-updated {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: auto;
}

.photo-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: rgba(21, 32, 54, 0.95);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-glass);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  padding: 2rem;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.5rem;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 2rem;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover {
  color: var(--text-primary);
}

/* Project Details Page View */
.project-header-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.project-details-meta h2 {
  font-size: 2.25rem;
  margin-bottom: 0.25rem;
}

.project-details-meta p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.project-actions {
  display: flex;
  gap: 0.75rem;
}

/* Drag & Drop Upload Zone */
.upload-zone {
  border: 2px dashed rgba(99, 102, 241, 0.3);
  background: rgba(30, 41, 59, 0.2);
  border-radius: 16px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  margin-bottom: 2.5rem;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.1) inset;
}

.upload-icon {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
  transition: transform var(--transition-fast);
}

.upload-zone:hover .upload-icon {
  transform: translateY(-3px);
}

.upload-text {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.upload-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Active Uploads list (progress bars) */
.upload-progress-container {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.progress-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

.progress-filename {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70%;
}

.progress-bar-bg {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent-gradient);
  width: 0%;
  border-radius: 9999px;
  transition: width 0.1s linear;
}

.progress-item.error {
  border-color: rgba(239, 68, 68, 0.3);
  background: var(--error-bg);
}

.progress-item.error .progress-bar-fill {
  background: var(--error);
}

/* Photo Gallery Grid */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.photo-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.photo-caption-container {
  padding: 0.6rem 0.75rem 0.75rem;
  background: rgba(15, 23, 42, 0.15);
  border-top: 1px solid var(--border-color);
}

.photo-caption-input {
  width: 100%;
  height: 44px;
  background: rgba(15, 23, 42, 0.2);
  border: none;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  line-height: 1.35;
  resize: none;
  padding: 0.35rem 0.5rem;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.photo-caption-input::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

.photo-caption-input:focus {
  background: rgba(15, 23, 42, 0.45);
  border-bottom: 1px solid var(--accent-primary);
}

.photo-card:hover {
  transform: translateY(-2px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.photo-card:hover img {
  transform: scale(1.04);
}

.photo-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0) 100%);
  padding: 1.5rem 0.75rem 0.75rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

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

.photo-name {
  font-size: 0.8rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 70%;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

.delete-photo-btn {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 4px;
  padding: 0.2rem 0.4rem;
  font-size: 0.7rem;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: all var(--transition-fast);
}

.delete-photo-btn:hover {
  background: var(--error);
  color: white;
}

.download-photo-btn {
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 4px;
  padding: 0.2rem 0.4rem;
  font-size: 0.7rem;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: all var(--transition-fast);
}

.download-photo-btn:hover {
  background: var(--accent-primary);
  color: white;
}

/* empty state */
.empty-gallery {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-secondary);
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.empty-gallery-icon {
  font-size: 3rem;
  color: var(--text-muted);
}

/* Lightbox/Presentation Viewer Mode */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 7, 18, 0.98);
  display: flex;
  flex-direction: column;
  z-index: 1500;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

/* Lightbox Header */
.lightbox-header {
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.lightbox-title {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.lightbox-title span {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-display);
}

.lightbox-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Presentation controls */
.play-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 0.25rem 0.5rem;
}

.play-controls select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}

.play-controls option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Lightbox main view */
.lightbox-main {
  flex-grow: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 0 4rem;
  min-height: 0; /* allows child overflow containment */
}

.lightbox-nav-btn {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.lightbox-nav-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  color: var(--text-primary);
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.lightbox-image-container {
  flex-grow: 1;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  opacity: 0;
  transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out;
  transform: scale(0.98);
}

.lightbox-img.loaded {
  opacity: 1;
  transform: scale(1);
}

/* Slideshow Progress Bar */
.slideshow-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--accent-gradient);
  width: 0%;
  transition: width 0.1s linear;
  z-index: 20;
}

/* Lightbox footer/carousel */
.lightbox-footer {
  padding: 1rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

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

.thumbnail-carousel {
  display: flex;
  gap: 0.5rem;
  max-width: 100%;
  overflow-x: auto;
  padding: 0.5rem;
}

.carousel-thumb {
  width: 60px;
  height: 40px;
  border-radius: 4px;
  overflow: hidden;
  opacity: 0.4;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  flex-shrink: 0;
}

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

.carousel-thumb:hover, .carousel-thumb.active {
  opacity: 1;
}

.carousel-thumb.active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* Notifications/Toasts */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
  padding: 1rem 1.25rem;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 280px;
  max-width: 400px;
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinner {
  animation: spin 1s linear infinite;
  display: inline-block;
}

/* Responsive Overrides */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
    text-align: center;
  }
  
  .project-header-section {
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
  }
  
  .project-actions {
    justify-content: flex-end;
  }
  
  .lightbox-main {
    padding: 0 1rem;
  }
  
  .lightbox-nav-btn {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
}