/* =========================================================
   Sunpor Cloud – Stylesheet
   Inspired by sunpor.at: dark navy nav, corporate blue, clean white surfaces
   ========================================================= */

/* ── Variables ─────────────────────────────────────────── */
:root {
  --navy:         #1a2d5a;
  --navy-dark:    #111e3f;
  --navy-light:   #243b72;
  --blue:         #005bac;
  --blue-hover:   #004a8f;
  --blue-tint:    #e6f0fa;
  --bg:           #eef1f6;
  --surface:      #ffffff;
  --sidebar-bg:   #ffffff;
  --border:       #d9e1ec;
  --text:         #1e2a3a;
  --text-muted:   #5f7082;
  --text-light:   #94a3b8;
  --success:      #15803d;
  --success-bg:   #dcfce7;
  --danger:       #b91c1c;
  --danger-bg:    #fee2e2;
  --warning:      #b45309;
  --warning-bg:   #fef3c7;
  --shadow-sm:    0 1px 4px rgba(0,0,0,.08);
  --shadow:       0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:    0 8px 32px rgba(0,0,0,.14);
  --radius:       10px;
  --radius-sm:    6px;
  --sidebar-w:    260px;
  --nav-h:        58px;
  --panel-w:      340px;
  --trans:        .2s ease;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
button { cursor: pointer; font-family: inherit; font-size: inherit; }

/* ── Login Page ────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(0,91,172,.25) 0%, transparent 60%),
    linear-gradient(145deg, var(--navy-dark) 0%, var(--navy) 50%, #1c3968 100%);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

/* decorative circles */
.login-page::before,
.login-page::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
}
.login-page::before { width: 600px; height: 600px; top: -220px; right: -160px; }
.login-page::after  { width: 400px; height: 400px; bottom: -180px; left: -100px; }

.login-card {
  background: var(--surface);
  border-radius: 18px;
  padding: 48px 44px 44px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 64px rgba(0,0,0,.35);
  position: relative;
  z-index: 1;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.login-logo .logo-icon {
  font-size: 32px;
  color: var(--blue);
}

.login-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.login-logo .logo-brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.5px;
  color: var(--navy);
}

.login-logo .logo-product {
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  letter-spacing: .5px;
  text-transform: uppercase;
}

.login-heading { font-size: 1.35rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.login-sub     { color: var(--text-muted); font-size: .9rem; margin-bottom: 28px; }

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

.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: .2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  color: var(--text);
  background: #fff;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}

.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,91,172,.15);
}

.form-control.is-invalid { border-color: var(--danger); }

.alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  margin-bottom: 18px;
}
.alert-danger  { background: var(--danger-bg);  color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  border: none;
  transition: background var(--trans), transform .1s, box-shadow var(--trans);
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-hover); box-shadow: var(--shadow-sm); }

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { background: #dde3ef; }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #fca5a5;
}
.btn-danger:hover { background: #fecaca; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 8px 12px;
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-sm { padding: 6px 12px; font-size: .82rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-icon {
  background: none;
  border: none;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 1rem;
  transition: background var(--trans), color var(--trans);
}
.btn-icon:hover { background: var(--bg); color: var(--text); }
.btn-icon.danger:hover { background: var(--danger-bg); color: var(--danger); }

/* ── Lang toggle (login) ───────────────────────────────── */
.lang-bar {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 6px;
  z-index: 10;
}

.lang-btn {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .5px;
  transition: background var(--trans);
}
.lang-btn:hover, .lang-btn.active { background: rgba(255,255,255,.32); }

/* ── Navigation bar ────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 20px;
  z-index: 200;
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
  gap: 12px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: #fff;
  flex-shrink: 0;
}

.nav-logo .logo-icon-sm { font-size: 20px; color: #6db3f2; }

.nav-logo .logo-brand-sm {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.3px;
}

.nav-logo .logo-product-sm {
  font-size: 10px;
  font-weight: 500;
  color: #93c5fd;
  letter-spacing: .8px;
  text-transform: uppercase;
}

.nav-logo .logo-wrap { line-height: 1.1; }

.nav-search {
  flex: 1;
  max-width: 380px;
  position: relative;
  margin-left: 16px;
}

.nav-search input {
  width: 100%;
  padding: 7px 12px 7px 34px;
  border-radius: 20px;
  border: none;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: .88rem;
  outline: none;
  transition: background var(--trans);
}

.nav-search input::placeholder { color: rgba(255,255,255,.5); }
.nav-search input:focus { background: rgba(255,255,255,.2); }

.nav-search .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  pointer-events: none;
}

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

.nav-lang {
  display: flex;
  gap: 2px;
}

.nav-lang-btn {
  background: transparent;
  border: 1px solid transparent;
  color: rgba(255,255,255,.65);
  padding: 4px 9px;
  border-radius: 4px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .4px;
  transition: all var(--trans);
}
.nav-lang-btn:hover, .nav-lang-btn.active {
  background: rgba(255,255,255,.15);
  color: #fff;
  border-color: rgba(255,255,255,.2);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.85);
  font-size: .88rem;
}

.nav-user .user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .82rem;
  color: #fff;
  flex-shrink: 0;
}

.nav-logout {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.8);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: .82rem;
  transition: all var(--trans);
}
.nav-logout:hover {
  background: rgba(255,255,255,.2);
  color: #fff;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  padding: 6px;
  margin-right: 4px;
}

/* ── Sidebar ───────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform var(--trans);
}

.sidebar-section { padding: 16px 0 8px; }

.sidebar-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-light);
  padding: 0 16px 6px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  margin: 1px 8px;
  color: var(--text);
  font-size: .88rem;
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
  user-select: none;
  position: relative;
}

.sidebar-item:hover { background: var(--blue-tint); color: var(--blue); }
.sidebar-item.active { background: var(--blue-tint); color: var(--blue); font-weight: 600; }

.sidebar-item .si-icon { color: var(--text-muted); font-size: .9rem; width: 16px; text-align: center; flex-shrink: 0; }
.sidebar-item.active .si-icon,
.sidebar-item:hover .si-icon { color: var(--blue); }

.sidebar-item .si-badge {
  margin-left: auto;
  font-size: .72rem;
  background: var(--bg);
  color: var(--text-muted);
  padding: 1px 7px;
  border-radius: 10px;
}

.folder-tree { list-style: none; }

.folder-node { }

.folder-node-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  margin: 1px 8px;
  font-size: .88rem;
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
  color: var(--text);
}
.folder-node-row:hover { background: var(--blue-tint); color: var(--blue); }
.folder-node-row.active { background: var(--blue-tint); color: var(--blue); font-weight: 600; }

.folder-node-row .fn-toggle {
  color: var(--text-light);
  width: 14px;
  font-size: .75rem;
  flex-shrink: 0;
  transition: transform var(--trans);
}
.folder-node-row .fn-toggle.open { transform: rotate(90deg); }

.folder-node-row .fn-icon { color: #f59e0b; font-size: .95rem; flex-shrink: 0; }
.folder-node-row .fn-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-node-row .fn-pub {
  font-size: .68rem;
  color: var(--success);
  background: var(--success-bg);
  padding: 1px 6px;
  border-radius: 10px;
  flex-shrink: 0;
}

.folder-children { padding-left: 16px; display: none; }
.folder-children.open { display: block; }

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 16px;
}

/* ── Main content ──────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  margin-top: var(--nav-h);
  min-height: calc(100vh - var(--nav-h));
  padding: 24px;
  transition: margin-right var(--trans);
}

.main-content.panel-open { margin-right: var(--panel-w); }

/* ── Breadcrumb ────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb-item a {
  color: var(--blue);
  font-weight: 500;
}
.breadcrumb-item a:hover { text-decoration: underline; }

.breadcrumb-item.current { color: var(--text); font-weight: 600; }
.breadcrumb-sep { color: var(--text-light); }

/* ── Toolbar ───────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.toolbar-left  { display: flex; align-items: center; gap: 10px; flex: 1; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: 8px; }

.view-toggle {
  display: flex;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.view-btn {
  background: none;
  border: none;
  padding: 6px 10px;
  color: var(--text-muted);
  font-size: .88rem;
  transition: background var(--trans), color var(--trans);
}
.view-btn.active, .view-btn:hover { background: var(--bg); color: var(--blue); }

/* ── Upload zone ───────────────────────────────────────── */
.upload-zone {
  border: 2px dashed #aac4e8;
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  background: rgba(0,91,172,.025);
  transition: all var(--trans);
  margin-bottom: 24px;
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--blue);
  background: var(--blue-tint);
}

.upload-zone .up-icon { font-size: 36px; color: var(--blue); margin-bottom: 10px; opacity: .7; }
.upload-zone .up-text { font-size: .95rem; color: var(--text-muted); }
.upload-zone .up-text span { color: var(--blue); font-weight: 600; }
.upload-zone .up-limit { font-size: .8rem; color: var(--text-light); margin-top: 4px; }
.upload-zone input[type="file"] { display: none; }

/* ── Upload progress toast ─────────────────────────────── */
.upload-toasts {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 320px;
}

.upload-toast {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--blue);
  font-size: .88rem;
}

.toast-name {
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toast-bar-wrap {
  background: var(--bg);
  border-radius: 4px;
  height: 4px;
  overflow: hidden;
}

.toast-bar {
  height: 4px;
  background: var(--blue);
  border-radius: 4px;
  transition: width .3s ease;
}

.upload-toast.done  { border-left-color: var(--success); }
.upload-toast.error { border-left-color: var(--danger); }
.toast-status { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

/* ── File/Folder grid & list ───────────────────────────── */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
}

.items-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Grid card */
.item-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px 12px 14px;
  cursor: pointer;
  transition: box-shadow var(--trans), transform var(--trans), border-color var(--trans);
  text-align: center;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.item-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: #d0e0f5;
}

.item-card.selected {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,91,172,.12);
}

.item-card .card-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 8px;
}

.item-card .card-icon {
  font-size: 42px;
  margin-bottom: 8px;
  line-height: 1;
  display: block;
}

.item-card .card-folder-icon { font-size: 44px; color: #f59e0b; margin-bottom: 6px; display: block; }

.item-card .card-name {
  font-size: .82rem;
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.35;
  margin-bottom: 4px;
  word-break: break-all;
}

.item-card .card-meta {
  font-size: .73rem;
  color: var(--text-light);
}

.item-card .card-pub-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: .65rem;
  font-weight: 700;
  background: var(--success-bg);
  color: var(--success);
  padding: 2px 6px;
  border-radius: 10px;
  letter-spacing: .3px;
}

/* List row */
.item-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  cursor: pointer;
  transition: background var(--trans);
  border: 1.5px solid transparent;
}

.item-row:hover { background: var(--blue-tint); border-color: #d0e0f5; }
.item-row.selected { border-color: var(--blue); background: var(--blue-tint); }

.item-row .row-icon { font-size: 22px; flex-shrink: 0; }
.item-row .row-folder-icon { font-size: 24px; color: #f59e0b; flex-shrink: 0; }

.item-row .row-name {
  flex: 1;
  font-size: .9rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item-row .row-meta {
  display: flex;
  gap: 24px;
  color: var(--text-muted);
  font-size: .82rem;
  flex-shrink: 0;
}

.item-row .row-pub-badge {
  font-size: .72rem;
  font-weight: 700;
  background: var(--success-bg);
  color: var(--success);
  padding: 2px 8px;
  border-radius: 10px;
}

/* Section headers in file view */
.section-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-light);
  margin: 20px 0 10px;
}

.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 56px; color: var(--border); margin-bottom: 16px; }
.empty-state p { font-size: 1rem; }

/* ── Detail panel ──────────────────────────────────────── */
.detail-panel {
  position: fixed;
  top: var(--nav-h);
  right: 0;
  bottom: 0;
  width: var(--panel-w);
  background: var(--surface);
  border-left: 1px solid var(--border);
  transform: translateX(100%);
  transition: transform var(--trans);
  overflow-y: auto;
  z-index: 150;
  display: flex;
  flex-direction: column;
}

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

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: .95rem;
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}

.panel-body { padding: 20px; flex: 1; }

.panel-preview {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.panel-preview img {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.panel-preview .preview-icon {
  font-size: 64px;
  line-height: 1;
  margin: 8px 0;
}

.panel-filename {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  word-break: break-all;
  margin-bottom: 14px;
}

.panel-info-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
.panel-info-table td {
  padding: 6px 0;
  font-size: .85rem;
  vertical-align: top;
}
.panel-info-table td:first-child {
  color: var(--text-muted);
  width: 40%;
  padding-right: 10px;
}
.panel-info-table td:last-child { color: var(--text); font-weight: 500; word-break: break-all; }

.panel-section-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-light);
  margin: 14px 0 8px;
}

.panel-meta-table { width: 100%; border-collapse: collapse; }
.panel-meta-table tr { border-bottom: 1px solid var(--bg); }
.panel-meta-table td {
  padding: 6px 0;
  font-size: .82rem;
  vertical-align: top;
}
.panel-meta-table td:first-child { color: var(--text-muted); width: 42%; padding-right: 8px; }
.panel-meta-table td:last-child { color: var(--text); word-break: break-all; }

.panel-actions {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  position: sticky;
  bottom: 0;
  background: var(--surface);
}

/* ── Modal ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: 28px 28px 24px;
  transform: scale(.96);
  transition: transform var(--trans);
}
.modal-overlay.open .modal { transform: scale(1); }

.modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

/* ── Toast notifications ───────────────────────────────── */
.toast-container {
  position: fixed;
  top: calc(var(--nav-h) + 12px);
  right: 16px;
  z-index: 600;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast-notif {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  font-size: .88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  border-left: 3px solid var(--blue);
  animation: slideIn .25s ease;
}
.toast-notif.success { border-left-color: var(--success); }
.toast-notif.error   { border-left-color: var(--danger);  }

@keyframes slideIn {
  from { transform: translateX(30px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Folder actions (context) ──────────────────────────── */
.ctx-menu {
  position: absolute;
  background: var(--surface);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  padding: 4px 0;
  z-index: 300;
  min-width: 180px;
  font-size: .88rem;
}

.ctx-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  cursor: pointer;
  color: var(--text);
  transition: background var(--trans);
}
.ctx-item:hover { background: var(--bg); }
.ctx-item.danger { color: var(--danger); }
.ctx-item.danger:hover { background: var(--danger-bg); }
.ctx-item i { width: 14px; text-align: center; color: var(--text-muted); }
.ctx-item.danger i { color: var(--danger); }

/* ── Spinner ───────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(0,91,172,.25);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

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

  .main-content.panel-open {
    margin-right: 0;
  }

  .hamburger { display: flex; }

  .nav-search { display: none; }

  .detail-panel {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .login-card { padding: 32px 24px 28px; }

  .items-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
  }

  .main-content { padding: 16px; }

  .item-row .row-meta { display: none; }

  .panel-actions { flex-direction: column; }
  .panel-actions .btn { justify-content: center; }
}

/* ── Sidebar resize handle ────────────────────────────── */
.sidebar-resizer {
  position: fixed;
  top: var(--nav-h);
  bottom: 0;
  left: var(--sidebar-w);
  width: 5px;
  cursor: col-resize;
  z-index: 101;
  background: transparent;
  transition: background .15s;
  /* Widen the grab area without adding visual width */
  margin-left: -2px;
}

.sidebar-resizer::after {
  content: '';
  position: absolute;
  inset: 0;
  /* Invisible wider hit area */
  left: -4px;
  right: -4px;
}

.sidebar-resizer:hover,
.sidebar-resizer.dragging {
  background: var(--blue);
  opacity: .35;
  border-radius: 2px;
}

/* Hide on mobile (sidebar is a drawer there) */
@media (max-width: 900px) {
  .sidebar-resizer { display: none; }
}

/* ── Scrollbar ─────────────────────────────────────────── */
.sidebar::-webkit-scrollbar,
.detail-panel::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-track,
.detail-panel::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb,
.detail-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }