:root {
  color-scheme: dark;
  --bg: #0f172a;
  --card: rgba(15, 23, 42, 0.92);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --primary: #38bdf8;
  --primary-dark: #0284c7;
  --danger: #fb7185;
  --danger-bg: rgba(251, 113, 133, 0.14);
  --success: #86efac;
  --border: rgba(148, 163, 184, 0.2);
  --radius: 20px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  font-size: 15px;
  background:
    radial-gradient(ellipse at top left, rgba(56, 189, 248, 0.18), transparent 45%),
    radial-gradient(ellipse at bottom right, rgba(129, 140, 248, 0.12), transparent 45%),
    linear-gradient(160deg, #020617, #0f172a);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.app {
  width: min(1140px, 95vw);
  margin: 0 auto;
  padding: 28px 0 48px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3), 0 1px 0 rgba(255,255,255,0.04) inset;
  backdrop-filter: blur(16px);
}

/* ── Giriş ── */
.auth-card {
  width: min(440px, 100%);
  margin: 10vh auto;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 26px;
}

.logo {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), #818cf8);
  color: #fff;
}

.logo-sm {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 12px;
}

h1 { margin: 0 0 2px; font-size: 1.25rem; font-weight: 700; color: #f1f5f9; }
h2 { margin: 0 0 4px; font-size: 1.05rem; font-weight: 700; color: #f1f5f9; }
h3 { margin: 0 0 14px; font-size: 0.95rem; font-weight: 700; color: #cbd5e1; }
p  { margin: 0; color: var(--muted); font-size: 14px; }

/* ── Form ── */
.form { display: grid; gap: 12px; }

label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 500; }

input, textarea, select, button {
  width: 100%;
  border: 0;
  border-radius: var(--radius-sm);
  font: inherit;
}

input, textarea, select {
  padding: 12px 14px;
  background: rgba(2, 6, 23, 0.6);
  color: var(--text);
  border: 1px solid var(--border);
  outline: none;
  transition: border-color 0.15s;
}
textarea { resize: vertical; }

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}

input[readonly] {
  color: var(--muted);
  cursor: default;
}

button {
  cursor: pointer;
  padding: 12px 16px;
  background: var(--primary);
  color: #04111d;
  font-weight: 700;
  font-size: 14px;
  transition: background 0.15s, transform 0.08s, opacity 0.15s;
}
button:hover  { background: var(--primary-dark); color: #fff; }
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

button.secondary {
  width: auto;
  background: rgba(148, 163, 184, 0.1);
  color: var(--text);
  border: 1px solid var(--border);
  font-weight: 600;
}
button.secondary:hover { background: rgba(148, 163, 184, 0.2); color: #fff; }

button.danger {
  background: var(--danger-bg) !important;
  color: var(--danger) !important;
  border: 1px solid rgba(251, 113, 133, 0.28) !important;
}
button.danger:hover { background: rgba(251, 113, 133, 0.26) !important; }

.small-btn {
  padding: 7px 10px !important;
  font-size: 13px !important;
  border-radius: 10px !important;
}

.icon-btn {
  padding: 10px 12px !important;
  border-radius: 10px !important;
}

.hidden { display: none !important; }

/* ── Dashboard ── */
.dashboard { display: grid; gap: 16px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
}

.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.grid, .admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

/* ── Sync ── */
.sync-path-row { display: flex; gap: 8px; margin: 10px 0 4px; }
.sync-path-row input { flex: 1; font-size: 13px; font-family: monospace; }
.sync-hint { font-size: 13px; }

/* ── Drop Zone ── */
.drop-zone {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: rgba(2, 6, 23, 0.3);
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary);
  background: rgba(56, 189, 248, 0.06);
}
.drop-zone.drag-over { box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.18); }
.drop-icon { margin-bottom: 10px; opacity: 0.6; color: var(--primary); }
.drop-label { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.5; }
.drop-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

/* ── Upload Queue ── */
.upload-queue {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}
.queue-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  grid-template-rows: auto 6px;
  align-items: center;
  gap: 0 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.4);
  transition: opacity 0.3s;
}
.queue-item.done { opacity: 0.6; }
.queue-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.queue-size { font-size: 12px; white-space: nowrap; }
.queue-status { font-size: 12px; white-space: nowrap; }
.queue-status.uploading { color: var(--primary); }
.queue-status.done  { color: var(--success); }
.queue-status.fail  { color: var(--danger); }
.progress-bar {
  grid-column: 1 / -1;
  height: 4px;
  background: rgba(148, 163, 184, 0.15);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}
.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.2s;
}

/* ── Admin ── */
.admin-create-form {
  align-self: start;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.3);
}

.status-message { min-height: 18px; margin: 0; font-size: 13px; }
.status-message.success { color: var(--success); }
.status-message.error   { color: var(--danger); }

.user-item.inactive { opacity: 0.55; }

.user-actions { flex-wrap: wrap; }

/* ── Liste ── */
.list { display: grid; gap: 10px; }

.item {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(2, 6, 23, 0.42);
  border: 1px solid var(--border);
  transition: border-color 0.15s;
}
.item:hover { border-color: rgba(148, 163, 184, 0.35); }

.item-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.item-meta { min-width: 0; flex: 1; }
.item-title { font-weight: 700; font-size: 15px; margin-bottom: 3px; }
.file-name  { display: flex; align-items: center; gap: 6px; }
.file-icon  { font-size: 18px; line-height: 1; flex-shrink: 0; }
.file-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.item-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex-shrink: 0;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 11px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  background: rgba(56, 189, 248, 0.12);
  color: var(--primary);
  border: 1px solid rgba(56, 189, 248, 0.25);
  transition: background 0.15s;
}
.btn-download:hover { background: rgba(56, 189, 248, 0.22); }

.conflict-item {
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(120, 53, 15, 0.18);
}

.warning-text { margin-top: 5px; color: #fbbf24; font-size: 13px; }

.versions-panel {
  display: grid;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.version-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border);
}

.version-hint { color: #7dd3fc; }

.error   { min-height: 18px; color: var(--danger); font-size: 13px; }
.muted   { color: var(--muted); }
.meta    { color: var(--muted); font-size: 13px; margin-top: 2px; }

.empty-state { text-align: center; padding: 32px; opacity: 0.7; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 99px;
  background: rgba(56, 189, 248, 0.14);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(56, 189, 248, 0.22);
}

/* ── Depolama çubuğu ── */
.storage-bar { padding: 14px 20px; }
.storage-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}
.storage-track {
  height: 6px;
  border-radius: 6px;
  background: rgba(148, 163, 184, 0.15);
  overflow: hidden;
}
.storage-fill {
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--primary), #818cf8);
  transition: width 0.6s ease;
  min-width: 4px;
}

pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 6px 0 0;
  color: #cbd5e1;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.55;
}

/* ── Toast Bildirimleri ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  padding: 12px 18px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: auto;
  max-width: 320px;
  border: 1px solid rgba(255,255,255,0.1);
}
.toast.toast-show { opacity: 1; transform: translateY(0); }
.toast-success { background: rgba(22, 101, 52, 0.9); }
.toast-error   { background: rgba(127, 29, 29, 0.9); }
.toast-info    { background: rgba(14, 42, 71, 0.9); border-color: rgba(56, 189, 248, 0.25); }

/* ── Dosyalar Toolbar ── */
.files-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 12px;
  flex: 1;
  min-width: 160px;
}
.search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 14px;
  width: 100%;
}
.search-box svg { opacity: 0.5; flex-shrink: 0; }

/* ── Toplu İşlem ── */
.bulk-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 10px;
  margin-bottom: 10px;
}
.item-selected { background: rgba(56,189,248,0.06) !important; outline: 1px solid rgba(56,189,248,0.3); }
.file-checkbox { width: 16px; height: 16px; cursor: pointer; flex-shrink: 0; }

/* ── Klasör Görünümü ── */
.folder-group { margin-bottom: 16px; }
.folder-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
}

/* ── Önizleme Modal ── */
.preview-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-modal.hidden { display: none; }
.preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(6px);
}
.preview-container {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  width: min(900px, 95vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}
.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.preview-title {
  font-weight: 600;
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-content {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  max-height: calc(90vh - 70px);
}
.preview-img  { max-width: 100%; max-height: 80vh; object-fit: contain; padding: 16px; }
.preview-video{ max-width: 100%; max-height: 75vh; }
.preview-audio{ width: 100%; padding: 40px 20px; }
.preview-iframe{ width: 100%; height: 80vh; border: none; }
.preview-text { padding: 20px; font-size: 13px; line-height: 1.6; white-space: pre-wrap; word-break: break-all; color: var(--text); width: 100%; }

/* ── Plan Kartları ── */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.plan-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s, transform 0.15s;
}
.plan-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.plan-current { border-color: var(--primary); background: rgba(56,189,248,0.05); }
.plan-header { display: flex; align-items: center; justify-content: space-between; }
.plan-header h3 { margin: 0; font-size: 17px; }
.plan-badge { background: var(--primary); color: #000; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 20px; }
.plan-price { font-size: 22px; font-weight: 700; }
.plan-free { color: var(--primary); }
.plan-amount { color: var(--primary); }
.plan-desc { font-size: 13px; }
.plan-features { list-style: none; padding: 0; margin: 0; font-size: 13px; display: flex; flex-direction: column; gap: 4px; }
.plan-features li { color: #86efac; }
.plan-btn {
  margin-top: auto;
  padding: 9px 16px;
  border-radius: 10px;
  border: none;
  background: var(--primary);
  color: #000;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.plan-btn:hover:not(:disabled) { opacity: 0.85; }
.plan-btn:disabled { opacity: 0.4; cursor: default; }
.plan-btn.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }

/* ── Auth linkleri ── */
.auth-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 14px;
}
.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.link-btn:hover { opacity: 0.8; }

.profile-section {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  margin-top: 12px;
}
.profile-section summary {
  cursor: pointer;
  font-weight: 600;
  user-select: none;
}
.profile-section summary:hover { color: var(--primary); }

/* ── Çöp Kutusu ── */
.trash-item { opacity: 0.75; }
.trash-item:hover { opacity: 1; }

/* ── Paylaşım Modal ── */
.share-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(4px);
}
.share-modal.hidden { display: none; }
.share-modal-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 32px;
  width: min(460px, 92vw);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.share-modal-inner h3 { margin: 0 0 6px; font-size: 18px; }
.expiry-select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 14px;
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .app { padding: 12px 0 40px; }

  .grid, .admin-grid {
    grid-template-columns: 1fr;
  }

  .topbar, .section-title, .item-head, .version-row {
    flex-wrap: wrap;
  }

  .topbar-actions { width: 100%; justify-content: flex-end; }

  .item-actions { justify-content: flex-start; }

  button.secondary { width: 100%; }

  .auth-card { margin: 5vh auto; }

  .toast-container { bottom: 16px; right: 12px; left: 12px; }
  .toast { max-width: 100%; }

  .queue-item { grid-template-columns: auto 1fr auto; }
  .queue-status { display: none; }
}