/*
 * Kyuhannam Photography Gallery
 * Editorial Gallery Aesthetic
 */

:root {
  /* Color Palette */
  --color-noir: #0d0d0d;
  --color-charcoal: #1a1a1a;
  --color-graphite: #2d2d2d;
  --color-slate: #4a4a4a;
  --color-pewter: #6b6b6b;
  --color-silver: #9a9a9a;
  --color-ivory: #f5f2ed;
  --color-cream: #e8e4df;
  --color-brass: #c4a35a;
  --color-brass-dim: rgba(196, 163, 90, 0.6);
  --color-danger: #a85454;
  --color-danger-hover: #c46666;

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --sidebar-width: 280px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;
  --spacing-2xl: 64px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.4);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: #ffffff;
  color: var(--color-noir);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

::selection {
  background: var(--color-brass);
  color: var(--color-noir);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-slate);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-pewter);
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: #f5f5f5;
  border-right: 1px solid rgba(128, 128, 128, 0.1);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: background-color var(--transition-slow);
  --text-color: #1a1a1a;
  --muted-color: #6b6b6b;
}

.sidebar-header {
  padding: var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text-color, var(--color-ivory));
  margin-bottom: var(--spacing-xs);
}

.logo-subtitle {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 300;
  font-style: italic;
  color: var(--muted-color, var(--color-pewter));
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.nav-section {
  margin-bottom: var(--spacing-lg);
}

.nav-section-title {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted-color, var(--color-pewter));
  margin-bottom: var(--spacing-md);
}

.portfolio-list {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.portfolio-item {
  margin-bottom: var(--spacing-xs);
}

.portfolio-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  color: var(--muted-color, var(--color-silver));
  text-decoration: none;
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.portfolio-link:hover {
  background: rgba(128, 128, 128, 0.15);
  color: var(--text-color, var(--color-ivory));
}

.portfolio-link.active {
  background: rgba(128, 128, 128, 0.2);
  color: var(--text-color, var(--color-brass));
}

.portfolio-drag-handle {
  cursor: grab;
  opacity: 0.4;
  padding: 4px;
  margin-left: -4px;
  transition: opacity var(--transition-fast);
}

.portfolio-drag-handle:hover {
  opacity: 0.8;
}

.portfolio-drag-handle:active {
  cursor: grabbing;
}

.portfolio-item.sortable-chosen {
  opacity: 0.8;
  background: rgba(128, 128, 128, 0.2);
  border-radius: 4px;
}

.portfolio-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portfolio-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.portfolio-link:hover .portfolio-actions {
  opacity: 1;
}

.portfolio-action-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(128, 128, 128, 0.2);
  border: none;
  border-radius: 4px;
  color: var(--muted-color, var(--color-silver));
  cursor: pointer;
  transition: all var(--transition-fast);
}

.portfolio-action-btn:hover {
  background: rgba(128, 128, 128, 0.4);
  color: var(--text-color, var(--color-ivory));
}

.portfolio-action-btn.delete-btn:hover {
  background: rgba(168, 84, 84, 0.4);
  color: var(--color-danger-hover);
}

.portfolio-cover {
  width: 32px;
  height: 32px;
  border-radius: 2px;
  object-fit: cover;
  background: var(--color-graphite);
  flex-shrink: 0;
}

.portfolio-cover-placeholder {
  width: 32px;
  height: 32px;
  border-radius: 2px;
  background: var(--color-graphite);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.portfolio-cover-placeholder svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-slate);
}

.portfolio-name {
  flex: 1;
  word-break: break-word;
}

.portfolio-count {
  font-size: 0.75rem;
  color: var(--muted-color, var(--color-slate));
}

.btn-create-portfolio {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px dashed var(--muted-color, var(--color-slate));
  border-radius: 4px;
  color: var(--muted-color, var(--color-pewter));
  font-family: var(--font-body);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-create-portfolio:hover {
  border-color: var(--text-color, var(--color-brass));
  color: var(--text-color, var(--color-brass));
}

.plus-icon {
  font-size: 1.125rem;
  font-weight: 300;
}

.sidebar-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(128, 128, 128, 0.1);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.75rem;
  color: var(--muted-color, var(--color-slate));
}

.footer-link {
  color: var(--muted-color, var(--color-slate));
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-color, var(--color-ivory));
}

.copyright {
  margin-left: auto;
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: background-color var(--transition-slow);
}

/* Welcome State */
.welcome-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-xl);
}

.welcome-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.welcome-image {
  height: 50vh;
  width: auto;
  object-fit: contain;
  box-shadow: var(--shadow-elevated);
}

.welcome-tagline {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-pewter);
  letter-spacing: 0.05em;
}

/* ============================================
   VIEW MODE - Slideshow Gallery
   ============================================ */

.view-mode {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Intro Slide */
.slide-intro {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-2xl);
  animation: fadeIn 0.6s ease;
}

.intro-content {
  text-align: center;
  max-width: 700px;
}

.intro-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--text-color, var(--color-ivory));
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.intro-note {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 300;
  font-style: italic;
  color: var(--muted-color, var(--color-silver));
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.btn-enter {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: transparent;
  border: 1px solid var(--text-color, var(--color-brass));
  border-radius: 4px;
  color: var(--text-color, var(--color-brass));
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-enter:hover {
  background: var(--text-color, var(--color-brass));
  color: var(--color-noir);
}

.btn-enter svg {
  transition: transform var(--transition-fast);
}

.btn-enter:hover svg {
  transform: translateX(4px);
}

/* Photo Slide */
.slide-photo {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  animation: fadeIn 0.4s ease;
}

.slide-image {
  max-width: 60vw;
  max-height: 65vh;
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: var(--shadow-elevated);
}

.slide-caption {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  max-width: 600px;
  opacity: 0;
  animation: fadeInUp 0.5s ease 0.2s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.slide-caption h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-color, var(--color-ivory));
  margin-bottom: var(--spacing-xs);
}

.slide-caption p {
  font-size: 0.875rem;
  color: var(--muted-color, var(--color-pewter));
  font-style: italic;
}

/* View Navigation */
.view-nav {
  position: fixed;
  bottom: var(--spacing-xl);
  left: var(--sidebar-width);
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  z-index: 50;
}

.nav-arrow {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(128, 128, 128, 0.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(128, 128, 128, 0.3);
  border-radius: 50%;
  color: var(--text-color, var(--color-ivory));
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-arrow:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-brass);
  color: var(--color-brass);
}

.nav-arrow:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.nav-index {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--muted-color, var(--color-silver));
  letter-spacing: 0.1em;
  min-width: 60px;
  text-align: center;
}

.nav-separator {
  margin: 0 var(--spacing-xs);
  color: var(--muted-color, var(--color-slate));
}

/* Edit Mode Button */
.btn-edit-mode {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(128, 128, 128, 0.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(128, 128, 128, 0.3);
  border-radius: 50%;
  color: var(--muted-color, var(--color-silver));
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 50;
}

.btn-edit-mode:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-brass);
  color: var(--color-brass);
}

/* ============================================
   EDIT MODE
   ============================================ */

.edit-mode {
  padding: var(--spacing-xl) var(--spacing-2xl);
  animation: fadeIn 0.4s ease;
}

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

.edit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-back {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid var(--muted-color, var(--color-graphite));
  border-radius: 4px;
  color: var(--muted-color, var(--color-silver));
  font-family: var(--font-body);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-back:hover {
  border-color: var(--text-color, var(--color-brass));
  color: var(--text-color, var(--color-brass));
}

.edit-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.edit-meta {
  max-width: 800px;
  margin-bottom: var(--spacing-xl);
}

.portfolio-title-input {
  width: 100%;
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--text-color, var(--color-ivory));
  letter-spacing: 0.01em;
  padding: 0;
  margin-bottom: var(--spacing-md);
  outline: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.portfolio-title-input:focus {
  border-bottom-color: var(--muted-color, var(--color-brass-dim));
}

.portfolio-title-input::placeholder {
  color: var(--muted-color, var(--color-slate));
}

.artist-note-input {
  width: 100%;
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 300;
  font-style: italic;
  color: var(--muted-color, var(--color-silver));
  line-height: 1.7;
  resize: none;
  outline: none;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.artist-note-input:focus {
  border-bottom-color: var(--muted-color, rgba(255, 255, 255, 0.1));
}

.artist-note-input::placeholder {
  color: var(--muted-color, var(--color-slate));
  font-style: italic;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--muted-color, var(--color-graphite));
  border-radius: 4px;
  color: var(--muted-color, var(--color-pewter));
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  border-color: var(--text-color, var(--color-brass));
  color: var(--text-color, var(--color-brass));
}

.btn-icon.btn-danger:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--muted-color, var(--color-graphite));
  border-radius: 8px;
  padding: var(--spacing-2xl);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  transition: all var(--transition-base);
  cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--text-color, var(--color-brass));
  background: rgba(128, 128, 128, 0.05);
}

.upload-zone.drag-over {
  transform: scale(1.01);
}

.upload-icon {
  margin-bottom: var(--spacing-md);
  color: var(--muted-color, var(--color-slate));
  transition: color var(--transition-fast);
}

.upload-zone:hover .upload-icon {
  color: var(--text-color, var(--color-brass));
}

.upload-text {
  font-size: 1rem;
  color: var(--muted-color, var(--color-silver));
  margin-bottom: var(--spacing-xs);
}

.upload-browse {
  color: var(--text-color, var(--color-brass));
  cursor: pointer;
}

.upload-hint {
  font-size: 0.8125rem;
  color: var(--muted-color, var(--color-slate));
}

/* Photo Grid */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-md);
}

.photo-item {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-graphite);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.photo-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.photo-item.sortable-ghost {
  opacity: 0.4;
}

.photo-item.sortable-drag {
  opacity: 0.9;
  box-shadow: var(--shadow-elevated);
}

.photo-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-slow);
}

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

.photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  padding: var(--spacing-md);
}

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

.photo-title {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-ivory);
  margin-bottom: var(--spacing-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.photo-order {
  position: absolute;
  bottom: var(--spacing-sm);
  left: var(--spacing-sm);
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-silver);
  z-index: 5;
}

.photo-delete {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 24px;
  height: 24px;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-silver);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-fast);
  z-index: 10;
}

.photo-item:hover .photo-delete {
  opacity: 1;
}

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

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

.photo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: none;
  border-radius: 4px;
  color: var(--color-ivory);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.photo-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.photo-btn.btn-edit:hover {
  background: rgba(196, 163, 90, 0.3);
}

.drag-handle {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  width: 28px;
  height: 28px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 10;
}

.photo-item:hover .drag-handle {
  opacity: 1;
}

.drag-handle svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-ivory);
}

/* ============================================
   MODALS
   ============================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--color-charcoal);
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  box-shadow: var(--shadow-elevated);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-ivory);
}

.btn-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-pewter);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-lg);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-pewter);
  margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--color-graphite);
  border: 1px solid transparent;
  border-radius: 4px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-ivory);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-brass);
}

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

.color-picker-row {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.color-picker {
  width: 48px;
  height: 40px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: transparent;
}

.color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker::-webkit-color-swatch {
  border: 2px solid var(--color-graphite);
  border-radius: 4px;
}

.color-hex-input {
  flex: 1;
  background: var(--color-graphite);
  border: 1px solid transparent;
  border-radius: 4px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-ivory);
  outline: none;
}

.color-hex-input:focus {
  border-color: var(--color-brass);
}

.color-presets {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.color-preset {
  width: 32px;
  height: 32px;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-preset:hover {
  transform: scale(1.1);
}

.color-preset[data-color="#0d0d0d"] { background: #0d0d0d; }
.color-preset[data-color="#1a1a1a"] { background: #1a1a1a; }
.color-preset[data-color="#2d2d2d"] { background: #2d2d2d; }
.color-preset[data-color="#f5f2ed"] { background: #f5f2ed; }
.color-preset[data-color="#e8e4df"] { background: #e8e4df; }
.color-preset[data-color="#1e3a5f"] { background: #1e3a5f; }
.color-preset[data-color="#2d4a3e"] { background: #2d4a3e; }
.color-preset[data-color="#4a3728"] { background: #4a3728; }

/* Photo Modal */
.photo-modal {
  background: var(--color-charcoal);
  border-radius: 8px;
  width: 90%;
  max-width: 1000px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  animation: modalSlideIn 0.3s ease;
}

.photo-modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 10;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

.photo-modal-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  height: 70vh;
}

.photo-modal-image-container {
  background: var(--color-noir);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.photo-modal-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.photo-modal-sidebar {
  padding: var(--spacing-lg);
  border-left: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
}

.photo-modal-actions {
  margin-top: auto;
  display: flex;
  gap: var(--spacing-sm);
}

/* Buttons */
.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-brass);
  color: var(--color-noir);
}

.btn-primary:hover {
  background: #d4b36a;
}

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

.btn-danger:hover {
  background: var(--color-danger);
  color: var(--color-ivory);
}

/* ============================================
   LOADING & TOASTS
   ============================================ */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-graphite);
  border-top-color: var(--color-brass);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-pewter);
}

.toast-container {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 4000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--color-charcoal);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-ivory);
  font-size: 0.875rem;
  box-shadow: var(--shadow-medium);
  animation: toastSlideIn 0.3s ease;
  max-width: 350px;
}

.toast.toast-success {
  border-left: 3px solid var(--color-brass);
}

.toast.toast-error {
  border-left: 3px solid var(--color-danger);
}

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

/* ============================================
   UTILITIES
   ============================================ */

.hidden {
  display: none !important;
}

/* ============================================
   FULLSCREEN MODE
   ============================================ */

:fullscreen .sidebar {
  display: none;
}

:fullscreen .main-content {
  margin-left: 0;
}

:fullscreen .view-nav {
  left: 0;
  right: 0;
  transform: none;
}

:fullscreen .slide-image {
  max-width: 85vw;
  max-height: 70vh;
}

:fullscreen .btn-edit-mode {
  display: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .photo-modal-content {
    grid-template-columns: 1fr;
    height: auto;
    max-height: 90vh;
    overflow-y: auto;
  }

  .photo-modal-image-container {
    height: 50vh;
  }

  .photo-modal-sidebar {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }

  .slide-image {
    max-width: calc(100vw - var(--sidebar-width) - 80px);
    max-height: calc(100vh - 200px);
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 100%;
  }

  .sidebar {
    position: fixed;
    left: -100%;
    transition: left var(--transition-base);
    z-index: 200;
  }

  .sidebar.open {
    left: 0;
  }

  .main-content {
    margin-left: 0;
  }

  .edit-mode {
    padding: var(--spacing-lg);
  }

  .portfolio-title-input {
    font-size: 1.75rem;
  }

  .photo-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
  }

  .intro-title {
    font-size: 2.5rem;
  }

  .slide-image {
    max-width: calc(100vw - 40px);
    max-height: calc(100vh - 200px);
  }

  .view-nav {
    left: 50%;
  }
}