/* Image Hub - internal tool UI. Desktop first, usable on tablet and phone.
   Deliberately plain: speed and density over decoration. */

:root {
  --bg:        #f5f6f8;
  --surface:   #ffffff;
  --surface-2: #fafbfc;
  --border:    #e2e5ea;
  --border-2:  #d3d8e0;
  --text:      #1a1d23;
  --text-2:    #5c6470;
  --text-3:    #8b93a1;
  --accent:    #2563eb;
  --accent-d:  #1d4ed8;
  --accent-bg: #eff4ff;
  --danger:    #dc2626;
  --danger-bg: #fef2f2;
  --success:   #15803d;
  --success-bg:#f0fdf4;
  --warn:      #b45309;
  --warn-bg:   #fffbeb;
  --radius:    8px;
  --shadow:    0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.1);
  --shadow-lg: 0 10px 30px rgba(16,24,40,.14);
  --sidebar-w: 232px;
  --topbar-h:  60px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.25; font-weight: 650; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 14px; }
p { margin: 0 0 .8em; }
.muted { color: var(--text-2); }
.small { font-size: 12.5px; }
.mono  { font-family: var(--mono); font-size: 12.5px; }
.nowrap { white-space: nowrap; }

/* ---------- auth pages ---------- */
.auth-body { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.auth-card {
  width: 100%; max-width: 400px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 32px; box-shadow: var(--shadow-lg);
}
.auth-brand { text-align: center; margin-bottom: 24px; }
.auth-logo {
  width: 46px; height: 46px; border-radius: 11px; margin: 0 auto 12px;
  background: var(--accent); color: #fff; display: grid; place-items: center;
  font-weight: 700; letter-spacing: .5px;
}
.auth-foot { text-align: center; margin: 18px 0 0; font-size: 13px; }

label { display: block; font-weight: 600; font-size: 13px; margin: 14px 0 5px; }
input[type=text], input[type=email], input[type=password], input[type=search],
input[type=number], input[type=date], input[type=url], input[type=color], select, textarea {
  width: 100%; padding: 9px 11px; font: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: 6px; outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg);
}
input[type=color] { padding: 3px; height: 38px; }
textarea { min-height: 90px; resize: vertical; }
.field-error { color: var(--danger); font-size: 12.5px; margin: 4px 0 0; min-height: 1px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
  padding: 8px 14px; font: inherit; font-weight: 600; font-size: 13.5px;
  border: 1px solid var(--border-2); border-radius: 6px;
  background: var(--surface); color: var(--text); cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--surface-2); border-color: var(--text-3); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-d); border-color: var(--accent-d); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { filter: brightness(.93); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover:not(:disabled) { background: var(--bg); border-color: var(--border); }
.btn-sm { padding: 5px 9px; font-size: 12.5px; }
.btn-block { width: 100%; margin-top: 18px; }
.icon-btn {
  border: none; background: transparent; cursor: pointer;
  font-size: 17px; line-height: 1; padding: 7px; border-radius: 6px; color: var(--text-2);
}
.icon-btn:hover { background: var(--bg); color: var(--text); }

/* ---------- alerts ---------- */
.alert { padding: 10px 12px; border-radius: 6px; font-size: 13px; margin: 14px 0 0; border: 1px solid; }
.alert-error   { background: var(--danger-bg);  border-color: #fecaca; color: #991b1b; }
.alert-success { background: var(--success-bg); border-color: #bbf7d0; color: #166534; }
.alert-warn    { background: var(--warn-bg);    border-color: #fde68a; color: #92400e; }
.alert-info    { background: var(--accent-bg);  border-color: #bfdbfe; color: #1e40af; }

/* ---------- layout ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: fixed; inset: 0 auto 0 0; z-index: 30;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.brand-logo {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 12px;
}
.brand-name { font-weight: 650; }
.nav { padding: 10px 8px; display: flex; flex-direction: column; gap: 2px; flex: 1; overflow-y: auto; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 11px; border-radius: 6px; color: var(--text-2);
  font-weight: 550; font-size: 13.5px; text-decoration: none;
}
.nav a:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--accent-bg); color: var(--accent-d); }
.nav .ico { width: 18px; text-align: center; opacity: .85; }
.sidebar-foot { padding: 12px; border-top: 1px solid var(--border); }
.storage-chip { font-size: 12px; color: var(--text-2); }

.main { flex: 1; margin-left: var(--sidebar-w); min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: var(--topbar-h); flex: 0 0 var(--topbar-h);
  background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px; padding: 0 18px;
  position: sticky; top: 0; z-index: 20;
}
.search { flex: 1; max-width: 520px; }
.search input { height: 36px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.account { position: relative; }
.account-btn {
  display: flex; align-items: center; gap: 8px; background: transparent;
  border: 1px solid transparent; border-radius: 6px; padding: 4px 8px 4px 4px;
  cursor: pointer; font: inherit; color: var(--text);
}
.account-btn:hover { background: var(--bg); border-color: var(--border); }
.avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: #fff;
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
}
.menu {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 208px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: var(--shadow-lg); padding: 5px; z-index: 40;
}
.menu-head { padding: 8px 10px; font-size: 12px; color: var(--text-2); border-bottom: 1px solid var(--border); margin-bottom: 4px; word-break: break-all; }
.menu button, .menu a {
  display: block; width: 100%; text-align: left; background: none; border: none;
  padding: 8px 10px; border-radius: 5px; font: inherit; font-size: 13.5px;
  color: var(--text); cursor: pointer; text-decoration: none;
}
.menu button:hover, .menu a:hover { background: var(--bg); text-decoration: none; }

.content { padding: 22px; flex: 1; min-width: 0; }
.loading { padding: 60px; text-align: center; color: var(--text-3); }

/* ---------- page furniture ---------- */
.page-head {
  display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap; margin-bottom: 18px;
}
.page-head .spacer { flex: 1; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.breadcrumb { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 13px; margin-bottom: 6px; color: var(--text-2); }
.breadcrumb .sep { color: var(--text-3); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-pad { padding: 16px; }
.card + .card { margin-top: 16px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.stat .label { font-size: 12px; color: var(--text-2); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.stat .value { font-size: 25px; font-weight: 680; margin-top: 4px; letter-spacing: -.02em; }
.stat .sub { font-size: 12px; color: var(--text-3); margin-top: 2px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-2); font-weight: 650; background: var(--surface-2); }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }

.empty { padding: 44px 20px; text-align: center; color: var(--text-3); }
.empty h3 { color: var(--text-2); }

/* ---------- image grid ---------- */
.toolbar {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  padding: 12px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); margin-bottom: 14px;
}
.toolbar .grow { flex: 1; }
.toolbar select, .toolbar input { height: 34px; width: auto; min-width: 130px; }

.selbar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  padding: 10px 14px; background: var(--accent-bg); border: 1px solid #bfdbfe;
  border-radius: var(--radius); margin-bottom: 14px; font-size: 13.5px;
}
.selbar strong { color: var(--accent-d); }

.img-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px;
}
.img-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; position: relative; box-shadow: var(--shadow);
}
.img-card.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-bg); }
.img-thumb {
  aspect-ratio: 1; background: repeating-conic-gradient(#f1f2f4 0% 25%, #fff 0% 50%) 50% / 18px 18px;
  display: grid; place-items: center; cursor: pointer; overflow: hidden;
}
.img-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; display: block; }
.img-meta { padding: 9px 10px; border-top: 1px solid var(--border); }
.img-name {
  font-size: 12.5px; font-weight: 600; word-break: break-all;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.img-sub { font-size: 11.5px; color: var(--text-3); margin-top: 3px; }
.img-actions { display: flex; gap: 4px; padding: 7px 8px; border-top: 1px solid var(--border); background: var(--surface-2); }
.img-check { position: absolute; top: 8px; left: 8px; z-index: 2; width: 17px; height: 17px; cursor: pointer; }

.badge {
  display: inline-block; padding: 1px 7px; border-radius: 99px; font-size: 11px;
  font-weight: 650; background: var(--bg); color: var(--text-2); border: 1px solid var(--border);
}
.badge-ok    { background: var(--success-bg); color: var(--success); border-color: #bbf7d0; }
.badge-warn  { background: var(--warn-bg);    color: var(--warn);    border-color: #fde68a; }
.badge-err   { background: var(--danger-bg);  color: var(--danger);  border-color: #fecaca; }
.badge-info  { background: var(--accent-bg);  color: var(--accent-d);border-color: #bfdbfe; }

/* ---------- upload ---------- */
.dropzone {
  border: 2px dashed var(--border-2); border-radius: 12px; padding: 46px 24px;
  text-align: center; background: var(--surface); cursor: pointer;
}
.dropzone.over { border-color: var(--accent); background: var(--accent-bg); }
.dropzone .big { font-size: 17px; font-weight: 650; margin-bottom: 4px; }

.progress-outer { height: 7px; background: var(--bg); border-radius: 99px; overflow: hidden; margin: 12px 0; }
.progress-inner { height: 100%; background: var(--accent); width: 0; transition: width .18s ease; }

.upload-list { max-height: 420px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.upload-row {
  display: flex; align-items: center; gap: 10px; padding: 7px 12px;
  border-bottom: 1px solid var(--border); font-size: 13px;
}
.upload-row:last-child { border-bottom: none; }
.upload-row .name { flex: 1; word-break: break-all; }
.upload-row .status { font-size: 12px; font-weight: 600; }
.st-ok   { color: var(--success); }
.st-err  { color: var(--danger); }
.st-warn { color: var(--warn); }
.st-pend { color: var(--text-3); }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(16,24,40,.45);
  display: grid; place-items: center; z-index: 100; padding: 20px;
}
/* A class rule beats the browser's [hidden] { display: none }, so hiding has to be
   restated here or every dialog would be visible on page load. */
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--surface); border-radius: 12px; box-shadow: var(--shadow-lg);
  width: 100%; max-width: 480px; max-height: 90vh; display: flex; flex-direction: column;
}
.modal-lg { max-width: 940px; }
.modal header {
  display: flex; align-items: center; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--border);
}
.modal header h2 { margin: 0; flex: 1; font-size: 16px; word-break: break-all; }
.modal-body { padding: 18px; overflow-y: auto; }
.modal footer {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 13px 18px; border-top: 1px solid var(--border); background: var(--surface-2);
  border-radius: 0 0 12px 12px;
}

.preview-body { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; }
@media (max-width: 800px) { .preview-body { grid-template-columns: 1fr; } }
.preview-img {
  background: repeating-conic-gradient(#f1f2f4 0% 25%, #fff 0% 50%) 50% / 18px 18px;
  border: 1px solid var(--border); border-radius: var(--radius);
  display: grid; place-items: center; min-height: 300px; overflow: hidden;
}
.preview-img img { max-width: 100%; max-height: 62vh; object-fit: contain; }

.kv { display: grid; grid-template-columns: 116px 1fr; gap: 7px 12px; font-size: 13px; align-items: start; }
.kv dt { color: var(--text-2); font-weight: 600; }
.kv dd { margin: 0; word-break: break-all; }

.url-box {
  display: flex; gap: 6px; align-items: stretch; margin: 6px 0 12px;
}
.url-box input {
  font-family: var(--mono); font-size: 12px; background: var(--surface-2);
}

/* ---------- toasts ---------- */
.toasts { position: fixed; right: 18px; bottom: 18px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--text); color: #fff; padding: 11px 15px; border-radius: 7px;
  font-size: 13.5px; box-shadow: var(--shadow-lg); max-width: 380px;
}
.toast.ok  { background: #14532d; }
.toast.err { background: #7f1d1d; }

/* ---------- misc ---------- */
.only-mobile { display: none; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 18px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 9px 0; font-size: 13.5px; }
.checkbox-row input { width: auto; }
.folder-row { display: flex; align-items: center; gap: 8px; }
.hint { font-size: 12.5px; color: var(--text-2); margin-top: 4px; }

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; box-shadow: var(--shadow-lg); }
  .main { margin-left: 0; }
  .only-mobile { display: inline-flex; }
  .content { padding: 14px; }
  .account-name { display: none; }
}