:root {
  --ink: #172036;
  --muted: #61708f;
  --paper: #ffffff;
  --line: #dbe4f4;
  --primary: #007f73;
  --primary-dark: #005e8a;
  --danger: #d14a4a;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--ink);
  background: #f3f8ff;
  min-height: 100vh;
}

.backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 0% 0%, rgba(0, 127, 115, 0.16), transparent 35%),
    radial-gradient(circle at 100% 100%, rgba(0, 94, 138, 0.15), transparent 35%);
}

.layout {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 14px;
  min-height: 100vh;
}

body.auth-only .layout {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.auth-card,
.app {
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 16px;
  box-shadow: 0 15px 45px rgba(16, 30, 61, 0.08);
}

.auth-card {
  max-width: 480px;
  margin: 0 auto;
  padding: 22px;
}

body.auth-only .auth-card {
  width: min(560px, 100%);
  max-width: 560px;
  margin: 0;
}

.auth-card h1 {
  margin: 0 0 4px;
}

.auth-card p {
  color: var(--muted);
  margin: 0 0 14px;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.auth-tab,
.ghost,
button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
  padding: 9px 12px;
  cursor: pointer;
}

.auth-tab {
  background: #f3f6fc;
  color: var(--ink);
  font-weight: 700;
  border-color: #cfd9ec;
}

.auth-tab.active {
  background: #defaf4;
  border-color: #99e6d6;
  color: #0a5a4e;
}

.auth-form {
  display: none;
  gap: 10px;
}

.auth-form.active {
  display: grid;
}

input,
select {
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 11px;
}

button {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0, 127, 115, 0.2);
  filter: brightness(1.03);
}

button:active {
  transform: translateY(0) scale(0.98);
}

.ghost {
  background: #fff;
  color: var(--ink);
}

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  overflow: visible;
  min-height: calc(100vh - 28px);
  width: 100%;
}

.sidebar {
  border-right: 1px solid var(--line);
  padding: 18px;
  background: #f9fcff;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar h2 {
  margin: 0;
}

.sidebar p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.sidebar nav {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.nav-btn {
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  font-weight: 600;
  transition: transform 0.18s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav-btn:hover {
  transform: translateX(2px);
  border-color: #aad8ce;
}

.nav-btn.active {
  background: #e9fff9;
  border-color: #89e6d3;
}

.main-panel {
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto auto auto 1fr;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.topbar-title h3 {
  margin: 0;
}

.topbar-title p {
  margin: 4px 0 0;
  color: var(--muted);
}

.search-wrap {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.search-wrap input {
  min-width: 240px;
  flex: 1 1 260px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 10px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
  padding: 12px;
}

.stat-card h4 {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.stat-card p {
  margin: 8px 0 0;
  font-size: 22px;
  font-weight: 800;
}

.upload-box {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(160px, 280px) minmax(160px, 280px) auto;
  gap: 8px;
  align-items: center;
}

.folder-box {
  display: grid;
  grid-template-columns: minmax(220px, 360px) auto minmax(180px, 320px);
  gap: 8px;
  align-items: center;
}

.upload-progress-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
}

.dropzone {
  border: 1px dashed #95c8be;
  border-radius: 10px;
  padding: 10px 12px;
  text-align: center;
  color: #326860;
  background: #f3fffb;
}

.dropzone.drag-over {
  background: #daf7ef;
  border-color: #4cb89c;
}

.progress {
  margin-top: 8px;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: #eaf1fb;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(120deg, #0a9b7d, #0b72a1);
  transition: width 0.18s ease;
}

#uploadProgressText {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.folder-filter-wrap {
  position: relative;
  width: 100%;
}

#folderFilterBtn {
  width: 100%;
  text-align: left;
}

.folder-filter-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 14px 24px rgba(20, 34, 67, 0.12);
  padding: 6px;
  z-index: 25;
}

.folder-filter-item {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.folder-filter-item:last-child {
  margin-bottom: 0;
}

.folder-filter-select {
  flex: 1;
  border: 1px solid #d8e3f6;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  font: inherit;
  font-size: 13px;
  padding: 7px 9px;
  cursor: pointer;
}

.folder-filter-select:hover {
  border-color: #9ec9bf;
  background: #f3fffb;
}

.folder-filter-select.active {
  border-color: #8adbc8;
  background: #e9fff8;
  color: #0a6a59;
  font-weight: 700;
}

.folder-filter-delete {
  border: 1px solid #ffcaca;
  border-radius: 8px;
  padding: 6px 8px;
  background: #fff1f1;
  color: #b83a3a;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.folder-filter-delete:hover {
  background: #ffe3e3;
}

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  align-content: start;
  min-height: 0;
  overflow: auto;
  max-height: calc(100vh - 470px);
  padding-right: 4px;
}

.file-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #fff;
  display: grid;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.file-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(18, 36, 70, 0.1);
  border-color: #a5d8cf;
}

.file-meta {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}

.file-name {
  font-weight: 700;
  word-break: break-word;
}

.badge {
  display: inline-block;
  border: 1px solid #bde8dc;
  background: #eefdf8;
  color: #0a7764;
  border-radius: 999px;
  font-size: 11px;
  padding: 2px 8px;
}

.file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.share-link {
  font-size: 11px;
  color: #096c5c;
  word-break: break-all;
  background: #ebfcf7;
  border: 1px solid #bfe8dd;
  border-radius: 8px;
  padding: 5px 7px;
}

.small {
  font-size: 12px;
  padding: 6px 9px;
  border-radius: 8px;
  transition: transform 0.15s ease, background 0.2s ease;
}

.small:active {
  transform: scale(0.97);
}

.danger {
  background: #ffeded;
  border: 1px solid #ffcaca;
  color: var(--danger);
}

.pagination {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

#filesSection {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 0;
  height: 100%;
}

.pagination .ghost:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.table-wrap {
  overflow-x: auto;
}

#adminLogsSection .table-wrap {
  height: calc(100vh - 120px);
  overflow: auto;
}

#adminLogsSection thead th {
  position: sticky;
  top: 0;
  background: #f7fbff;
  z-index: 2;
}

.admin-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.admin-head h4 {
  margin: 0;
}

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

th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

#trashTableBody td:last-child {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

dialog {
  border: 1px solid var(--line);
  border-radius: 12px;
  width: min(860px, 92vw);
  max-height: 88vh;
  padding: 12px;
}

dialog::backdrop {
  background: rgba(7, 17, 40, 0.45);
}

.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

#previewBody {
  min-height: 180px;
}

#previewBody img,
#previewBody video,
#previewBody iframe {
  width: 100%;
  max-height: 70vh;
  border-radius: 10px;
}

.move-folder-list {
  display: grid;
  gap: 8px;
  max-height: 52vh;
  overflow-y: auto;
}

.move-folder-item {
  border: 1px solid #d8e3f6;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  font: inherit;
  padding: 9px 11px;
  cursor: pointer;
}

.move-folder-item:hover {
  border-color: #9ec9bf;
  background: #f3fffb;
}

.move-folder-item.active {
  border-color: #8adbc8;
  background: #e9fff8;
  color: #0a6a59;
  font-weight: 700;
}

.toast {
  position: fixed;
  right: 12px;
  bottom: 12px;
  background: #0e1a36;
  color: #fff;
  border-radius: 10px;
  padding: 9px 12px;
  z-index: 20;
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .stat-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .upload-box {
    grid-template-columns: 1fr;
  }

  .folder-box {
    grid-template-columns: 1fr;
  }

  .search-wrap {
    justify-content: flex-start;
  }

  .file-grid {
    max-height: none;
    overflow: visible;
  }
}