/**
 * Lumina Gallery - Component Design System
 * Cinema Viewer, Glass Modals, Floating Selection Dock, Uploader Drawer & Toasts
 */

/* ==========================================================================
   Lumina Cinema Fullscreen Media Viewer
   ========================================================================== */

.apple-viewer,
.lumina-viewer {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--viewer-bg);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  display: none;
  flex-direction: column;
  user-select: none;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-lumina);
}

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

.apple-viewer.active,
.lumina-viewer.active {
  display: flex;
  opacity: 1;
}

/* Viewer Top Floating Capsule Bar */
.viewer-topbar {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 20;
  background: rgba(15, 20, 32, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  color: #ffffff;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.viewer-topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.viewer-topbar-center {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  letter-spacing: -0.01em;
}

.viewer-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.viewer-btn {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-quick) var(--ease-lumina);
}

.viewer-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.06);
}

.viewer-btn:active {
  transform: scale(0.95);
}

.viewer-btn.active {
  color: #f43f5e;
  background: rgba(244, 63, 94, 0.25);
  border-color: rgba(244, 63, 94, 0.4);
}

.viewer-btn svg {
  width: 18px;
  height: 18px;
}

/* Viewer Main Stage */
.viewer-stage {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

.viewer-media-container {
  max-width: 100vw;
  max-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease-out;
}

.viewer-media-container img,
.viewer-media-container video {
  max-width: 100vw;
  max-height: calc(100vh - 140px);
  object-fit: contain;
  box-shadow: var(--shadow-viewer);
  border-radius: var(--radius-md);
}

/* Floating Navigation Arrows */
.viewer-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(15, 20, 32, 0.65);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: all var(--duration-quick) var(--ease-lumina);
}

.viewer-nav-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-50%) scale(1.1);
}

.viewer-nav-prev {
  left: 20px;
}

.viewer-nav-next {
  right: 20px;
}

.viewer-nav-btn svg {
  width: 22px;
  height: 22px;
}

/* Viewer Bottom Toolbar */
.viewer-bottombar {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  height: 50px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 20;
  background: rgba(15, 20, 32, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Viewer Metadata Inspector Panel */
.viewer-info-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 340px;
  max-width: 90vw;
  background: var(--bg-sidebar);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-left: 1px solid var(--border-light);
  z-index: 30;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-lumina);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  overflow-y: auto;
  color: var(--text-primary);
  box-shadow: -10px 0 40px rgba(0,0,0,0.3);
}

.viewer-info-panel.open {
  transform: translateX(0);
}

.info-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.info-panel-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 16px;
  background: var(--bg-card);
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.info-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  font-weight: 700;
}

.info-value {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-word;
}

/* ==========================================================================
   Multi-Selection Floating Island
   ========================================================================== */

.selection-action-bar {
  position: fixed;
  bottom: calc(var(--tab-bar-height) + var(--safe-bottom) + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(140%);
  z-index: 90;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform var(--duration-normal) var(--ease-lumina);
}

@media (min-width: 860px) {
  .selection-action-bar {
    bottom: 28px;
  }
}

.selection-action-bar.active {
  transform: translateX(-50%) translateY(0);
}

.selection-count-badge {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  padding: 0 10px;
}

/* ==========================================================================
   Lumina Upload Drawer
   ========================================================================== */

.uploader-drawer {
  position: fixed;
  bottom: calc(var(--tab-bar-height) + var(--safe-bottom) + 16px);
  right: 16px;
  width: 360px;
  max-width: calc(100vw - 32px);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 0, 0, 0.15);
  z-index: 95;
  display: none;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--duration-normal) var(--ease-lumina);
}

@media (min-width: 860px) {
  .uploader-drawer {
    bottom: 28px;
    right: 28px;
  }
}

.uploader-drawer.active {
  display: flex;
}

.uploader-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-tertiary);
  font-size: 0.88rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-subtle);
}

.uploader-items-list {
  max-height: 260px;
  overflow-y: auto;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upload-item-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
}

.upload-item-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--bg-tertiary);
  flex-shrink: 0;
}

.upload-item-details {
  flex: 1;
  min-width: 0;
}

.upload-item-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
}

.upload-item-status-text {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.upload-item-progress-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 5px;
}

.upload-item-progress-fill {
  height: 100%;
  background: var(--accent-gradient);
  width: 0%;
  transition: width 0.15s ease;
}

/* ==========================================================================
   Lumina Glass Modals & Dialogs
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--duration-quick) ease;
}

.modal-backdrop.active {
  display: flex;
  opacity: 1;
}

.modal-card {
  background: var(--modal-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(99, 102, 241, 0.15);
  width: 100%;
  max-width: 460px;
  overflow: hidden;
  transform: scale(0.94);
  transition: transform var(--duration-quick) var(--ease-lumina);
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.modal-body {
  padding: 12px 24px 24px 24px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.modal-footer {
  padding: 14px 24px 20px 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Floating Aurora Pill Toasts
   ========================================================================== */

.toast-container {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0,0,0,0.08);
  backdrop-filter: var(--glass-blur);
  padding: 12px 22px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
  animation: toastIn 0.3s var(--ease-lumina) forwards;
}

.toast.toast-error {
  border-color: var(--danger);
  color: var(--danger);
}

.toast.toast-success {
  border-color: var(--success);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ==========================================================================
   Forms, Controls & Authentication Cards
   ========================================================================== */

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  height: 42px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0 14px;
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
  transition: all var(--duration-quick) ease;
}

.form-input:focus {
  background: var(--bg-card);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-textarea {
  width: 100%;
  min-height: 90px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 0.92rem;
  color: var(--text-primary);
  outline: none;
  resize: vertical;
}

.form-textarea:focus {
  background: var(--bg-card);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

/* Auth Cards */
.auth-page-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background: var(--bg-main);
  background-image: 
    radial-gradient(at 20% 20%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
    radial-gradient(at 80% 80%, rgba(236, 72, 153, 0.08) 0px, transparent 50%);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.1);
  padding: 36px 32px;
}

.auth-header {
  text-align: center;
  margin-bottom: 28px;
}

.auth-logo {
  width: 58px;
  height: 58px;
  margin: 0 auto 18px auto;
  border-radius: var(--radius-lg);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

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

.auth-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

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