/* ============================================================
   assets/css/app.css – Image Manager custom styles
   Theme: Deep slate + electric indigo accent
   ============================================================ */

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

/* ── CSS Variables ── */
:root {
  --bg-base:       #0d0f14;
  --bg-surface:    #14171e;
  --bg-card:       #1a1e28;
  --bg-hover:      #1f2431;
  --border:        #2a2f3e;
  --border-light:  #353c50;
  --accent:        #6c63ff;
  --accent-glow:   rgba(108,99,255,.35);
  --accent-light:  #8b85ff;
  --text-primary:  #e8eaf6;
  --text-secondary:#8892a4;
  --text-muted:    #545e73;
  --danger:        #ef4444;
  --success:       #22c55e;
  --warning:       #f59e0b;
  --info:          #38bdf8;
  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     16px;
  --shadow:        0 4px 24px rgba(0,0,0,.45);
  --shadow-lg:     0 8px 48px rgba(0,0,0,.6);
  --font-display:  'Syne', sans-serif;
  --font-body:     'Space Grotesk', sans-serif;
  --transition:    .18s cubic-bezier(.4,0,.2,1);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── Layout ── */
#app-wrapper { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
#sidebar {
  width: 240px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  transition: transform var(--transition);
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.3px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 16px;
}

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 20px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0;
  transition: background var(--transition), color var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: rgba(108,99,255,.15); color: var(--accent-light); border-right: 2px solid var(--accent); }
.nav-item i { width: 18px; text-align: center; font-size: 14px; }

/* album sub-list */
.album-list { padding: 0 0 0 36px; }
.album-list .nav-item { font-size: 13px; padding: 7px 20px 7px 8px; }

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 16px 20px;
  font-size: 12px;
  color: var(--text-muted);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.user-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

.role-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  padding: 2px 7px;
  border-radius: 20px;
}

.role-admin  { background: rgba(239,68,68,.15);  color: #f87171; }
.role-editor { background: rgba(245,158,11,.15); color: #fbbf24; }
.role-viewer { background: rgba(56,189,248,.15); color: #7dd3fc; }

/* ── Main Content ── */
#main {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ── */
#topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}

.topbar-search input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 8px 14px 8px 38px;
  font-size: 13.5px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.topbar-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.topbar-search .search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
}

.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

/* ── Buttons ── */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.btn-ghost:hover { border-color: var(--border-light); color: var(--text-primary); background: var(--bg-hover); }

.btn-danger {
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.3);
  color: var(--danger);
  border-radius: var(--radius-sm);
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-danger:hover { background: rgba(239,68,68,.22); }

.btn-icon {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all var(--transition);
  font-size: 13px;
}

.btn-icon:hover { border-color: var(--accent); color: var(--accent-light); background: rgba(108,99,255,.1); }
.btn-icon.active { border-color: var(--accent); color: var(--accent-light); background: rgba(108,99,255,.15); }

/* ── Content Area ── */
#content { padding: 24px; flex: 1; }

/* ── Section header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.3px;
}

/* ── Filter Bar ── */
.filter-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.filter-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  white-space: nowrap;
}

.filter-select, .filter-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 13px;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.filter-select:focus, .filter-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Drag-Drop Upload Zone ── */
#drop-zone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  background: var(--bg-surface);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 24px;
  position: relative;
}

#drop-zone:hover, #drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(108,99,255,.06);
  box-shadow: inset 0 0 30px rgba(108,99,255,.08);
}

.drop-icon {
  font-size: 40px;
  margin-bottom: 12px;
  color: var(--text-muted);
  display: block;
  transition: color var(--transition);
}

#drop-zone:hover .drop-icon { color: var(--accent-light); }

.drop-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.drop-sub { font-size: 13px; color: var(--text-muted); }
.drop-sub span { color: var(--accent-light); }

/* ── Upload Preview ── */
#upload-preview-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }

.preview-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  animation: slideIn .2s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.preview-thumb {
  width: 52px; height: 52px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.preview-meta { flex: 1; min-width: 0; }
.preview-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-size { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.preview-progress {
  margin-top: 6px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.preview-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  width: 0;
  transition: width .3s ease;
}

.preview-status {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.preview-status.done   { color: var(--success); }
.preview-status.error  { color: var(--danger); }

/* ── Image Grid ── */
#images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.img-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  position: relative;
}

.img-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.img-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }

.img-card-check {
  position: absolute;
  top: 8px; left: 8px;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--transition);
}

.img-card:hover .img-card-check,
.img-card.selected .img-card-check { opacity: 1; }

.img-card-check input[type=checkbox] {
  width: 18px; height: 18px;
  cursor: pointer;
  accent-color: var(--accent);
}

.img-thumb-wrap {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-surface);
  position: relative;
}

.img-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

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

.img-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,.7));
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 10px;
  gap: 6px;
}

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

.img-card-body { padding: 10px 12px 12px; }

.img-card-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.img-card-meta { font-size: 11px; color: var(--text-muted); display: flex; justify-content: space-between; }

.tag-pill {
  display: inline-block;
  background: rgba(108,99,255,.15);
  color: var(--accent-light);
  border-radius: 20px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  margin: 2px 2px 0 0;
}

/* ── List View ── */
#images-list { display: none; }

.list-table {
  width: 100%;
  border-collapse: collapse;
}

.list-table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.list-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}

.list-table tr:hover td { background: var(--bg-hover); }

.list-table .list-thumb {
  width: 40px; height: 40px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

/* ── Bulk Bar ── */
#bulk-bar {
  display: none;
  background: var(--bg-surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  box-shadow: 0 0 20px var(--accent-glow);
  animation: slideIn .2s ease;
}

#bulk-bar.visible { display: flex; }

.bulk-count {
  font-weight: 600;
  font-size: 13px;
  color: var(--accent-light);
}

/* ── Modals ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .2s cubic-bezier(.34,1.56,.64,1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(.92) translateY(16px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}

.modal-header {
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.modal-close {
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 14px;
  transition: all var(--transition);
}

.modal-close:hover { border-color: var(--danger); color: var(--danger); }

.modal-body { padding: 20px 22px; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* ── Lightbox ── */
#lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

#lightbox-overlay.open { display: flex; }

#lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lightbox-meta {
  margin-top: 16px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
}

.lightbox-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 40px; height: 40px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  transition: background var(--transition);
}

.lightbox-close:hover { background: rgba(239,68,68,.3); }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 13.5px;
  font-family: var(--font-body);
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

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

/* ── Pagination ── */
.pagination-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 28px;
  padding-bottom: 8px;
}

.pg-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-body);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pg-btn:hover { border-color: var(--border-light); color: var(--text-primary); }
.pg-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.pg-btn:disabled { opacity: .35; cursor: default; }

/* ── Toast notifications ── */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13.5px;
  box-shadow: var(--shadow);
  max-width: 340px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn .25s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

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

/* ── Login page ── */
.login-bg {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}

.login-bg::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -100px; left: -200px;
  pointer-events: none;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  width: 100%;
  max-width: 380px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  border-radius: 14px;
  display: inline-grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.login-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.login-sub { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ── Albums page ── */
.album-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  cursor: pointer;
  transition: all var(--transition);
}

.album-card:hover { border-color: var(--border-light); box-shadow: var(--shadow); transform: translateY(-2px); }

.album-card-icon {
  font-size: 32px;
  margin-bottom: 10px;
}

.album-card-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}

.album-card-meta { font-size: 12px; color: var(--text-muted); }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-icon { font-size: 48px; margin-bottom: 14px; opacity: .4; display: block; }
.empty-title { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.empty-sub { font-size: 13px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  #sidebar { transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); }
  #main { margin-left: 0; }

  #images-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }

  .filter-bar { flex-direction: column; align-items: flex-start; }

  .topbar-search { max-width: none; flex: 1; }

  .login-card { padding: 28px 24px; margin: 16px; }

  #content { padding: 16px; }
}

@media (max-width: 480px) {
  #images-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Utilities ── */
.hidden    { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-light); }
.fw-600 { font-weight: 600; }
.mt-auto { margin-top: auto; }
.gap-8  { gap: 8px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }