/* ==========================================================================
   Kosha FileShare — Premium Modern Design System
   ========================================================================== */

:root {
  --bg-main: #0a0e17;
  --bg-gradient: radial-gradient(1200px circle at 50% 0%, #1e293b 0%, #0f172a 45%, #020617 100%);
  --card-bg: rgba(15, 23, 42, 0.78);
  --card-border: rgba(255, 255, 255, 0.1);
  --card-hover-border: rgba(59, 130, 246, 0.35);
  --item-bg: rgba(30, 41, 59, 0.55);
  --item-border: rgba(255, 255, 255, 0.08);
  --item-hover-bg: rgba(30, 41, 59, 0.85);
  --item-hover-border: rgba(59, 130, 246, 0.4);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --primary-shadow: 0 4px 20px rgba(37, 99, 235, 0.38);
  
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 32px 16px 60px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* --- Main Card Container --- */
.card {
  width: 100%;
  max-width: 880px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  box-shadow: 0 30px 70px -15px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.05);
  margin-top: 10px;
  transition: all 0.3s ease;
}

@media (max-width: 640px) {
  .card {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
  }
}

/* --- Header Bar --- */
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
}

.brand h1 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #ffffff 30%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand .sub {
  margin: 3px 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Auth Nav & User Badge --- */
.auth-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-auth {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-auth:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: translateY(-1px);
}

.btn-auth-primary {
  background: var(--primary-gradient);
  border: none;
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-auth-primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
  color: #fff;
}

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
}

.user-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
}

.user-info {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-stats {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}

.btn-user-action {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 0.78rem;
  border-radius: 8px;
  transition: all 0.15s ease;
  line-height: 1;
}

.btn-user-action:hover {
  background: rgba(59, 130, 246, 0.25);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.4);
}

.vpn-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
  font-size: 0.76rem;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

/* Guest Banner */
.guest-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.guest-banner-icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.guest-banner-content {
  flex: 1;
}

.guest-banner-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 3px;
}

.guest-banner-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.guest-banner-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .guest-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .guest-banner-actions {
    width: 100%;
  }
  .guest-banner-actions button {
    flex: 1;
  }
}

.btn-logout {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 0.85rem;
  border-radius: 6px;
  transition: all 0.15s ease;
  line-height: 1;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #ff8080;
}

/* --- View Tabs (Segmented Control) --- */
.view-tabs {
  display: flex;
  gap: 6px;
  background: rgba(0, 0, 0, 0.35);
  padding: 6px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  margin-bottom: 24px;
}

.view-tab {
  flex: 1;
  padding: 10px 16px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.view-tab:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.view-tab.active {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: var(--primary-shadow);
}

.tab-badge {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* --- Form Options Grid --- */
.opts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.opt {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
}

.opt select,
.opt input[type="text"],
.opt input[type="password"],
.opt input[type="number"] {
  width: 100%;
  padding: 11px 14px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: all 0.15s ease;
}

.custom-ttl-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}

.custom-ttl-row input[type="number"] {
  width: 90px;
  flex: 0 0 90px;
}

.custom-ttl-row select {
  flex: 1;
}

.opt select:focus,
.opt input:focus {
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.opt select option {
  background: #0f172a;
  color: #f8fafc;
}

.encryption-notice {
  font-size: 0.82rem;
  color: #10b981;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Dropzone --- */
.dropzone {
  border: 2px dashed rgba(59, 130, 246, 0.35);
  background: rgba(59, 130, 246, 0.03);
  border-radius: var(--radius-lg);
  padding: 42px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.08);
  transform: translateY(-2px);
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
}

.dropzone-text-main {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.dropzone-text-sub {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* --- Link Input (Result Card) --- */
.link-input {
  width: 100%;
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: 8px;
  padding: 9px 12px;
  background: rgba(0, 0, 0, 0.45);
  color: #93c5fd;
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: 0.83rem;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.15s;
}

.link-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.link-input-vpn {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.file-pick {
  display: none;
}

/* --- Buttons --- */
.btn-primary {
  width: 100%;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary-gradient);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--primary-shadow);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(37, 99, 235, 0.5);
}

.btn-primary:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-cancel {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-cancel:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #ff9999;
}

/* --- Progress Bar --- */
.progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.progress-wrap {
  flex: 1;
  height: 10px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3b82f6, #60a5fa);
  border-radius: 999px;
  transition: width 0.15s ease;
}

.status {
  margin-top: 14px;
  font-size: 0.86rem;
  color: var(--text-muted);
  text-align: center;
}

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

/* --- Upload Result Card --- */
.result {
  margin-top: 24px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.result .row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.88rem;
}

.result .row:last-of-type {
  border-bottom: none;
}

.result .row span {
  color: var(--text-muted);
  font-weight: 500;
  min-width: 90px;
}

.result .row strong {
  color: var(--text-main);
  word-break: break-all;
}

/* ==========================================================================
   User Files Panel & Organization
   ========================================================================== */

.files-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --- Folders Bar (Chips) --- */
.folders-bar-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 8px 12px;
}

.folders-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 2px;
}

.folders-bar::-webkit-scrollbar {
  height: 4px;
}

.folders-bar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
}

.folder-chip,
.chip-title-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  font-family: inherit;
}

.folder-chip:hover,
.chip-title-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.folder-chip.active,
.folder-chip-item.active .chip-title-btn {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--primary);
  color: #93c5fd;
}

.chip-count {
  background: rgba(0, 0, 0, 0.35);
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
}

.folder-chip-item {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 0 4px 0 0;
  transition: all 0.15s ease;
}

.folder-chip-item.active {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--primary);
}

.folder-chip-item .chip-title-btn {
  background: transparent;
  border: none;
  padding: 6px 6px 6px 10px;
}

.chip-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.chip-action-btn {
  background: transparent;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 0.75rem;
  transition: all 0.15s ease;
  line-height: 1;
}

.chip-action-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.chip-action-btn.del:hover {
  color: #ff8080;
  background: rgba(239, 68, 68, 0.2);
}

.btn-new-folder {
  background: rgba(59, 130, 246, 0.12);
  border: 1px dashed rgba(59, 130, 246, 0.4);
  color: #93c5fd;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.btn-new-folder:hover {
  background: rgba(59, 130, 246, 0.25);
  border-color: var(--primary);
  color: #fff;
}

/* --- Files Toolbar --- */
.files-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 240px;
}

.search-input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 9px 14px 9px 36px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--text-main);
  font-size: 0.86rem;
  font-family: inherit;
  outline: none;
  transition: all 0.15s ease;
}

.search-input:focus {
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
  pointer-events: none;
}

.files-summary {
  font-size: 0.84rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

/* --- File List & Cards --- */
.file-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 4px;
}

.file-list::-webkit-scrollbar {
  width: 6px;
}

.file-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: var(--item-bg);
  border: 1px solid var(--item-border);
  border-radius: var(--radius-md);
  transition: all 0.18s ease;
}

.file-item:hover {
  background: var(--item-hover-bg);
  border-color: var(--item-hover-border);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.45);
}

.file-meta-col {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex: 1;
}

.file-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.file-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.file-name {
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-subinfo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.file-badge-pill {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.74rem;
  font-weight: 500;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.file-badge-pill.folder-badge {
  background: rgba(59, 130, 246, 0.14);
  color: #93c5fd;
  cursor: pointer;
  transition: all 0.15s ease;
}

.file-badge-pill.folder-badge:hover {
  background: rgba(59, 130, 246, 0.28);
  color: #fff;
}

.file-badge-pill.warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.file-badge-pill.enc {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

/* --- Action Buttons in File Item --- */
.file-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.btn-icon {
  padding: 7px 12px;
  font-size: 0.82rem;
  border-radius: 8px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: translateY(-1px);
}

.btn-icon-primary {
  background: var(--primary-gradient);
  border: none;
  color: #fff !important;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.35);
}

.btn-icon-primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff !important;
}

.btn-icon.delete:hover {
  border-color: var(--danger);
  color: #ff8080;
  background: rgba(239, 68, 68, 0.15);
}

.btn-icon.confirm-del {
  background: rgba(239, 68, 68, 0.25) !important;
  border-color: var(--danger) !important;
  color: #ff8080 !important;
  font-weight: 700 !important;
  animation: shake 0.2s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

.btn-icon.copied {
  background: #059669 !important;
  color: #fff !important;
  border-color: #059669 !important;
}

.empty-files {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-muted);
}

.empty-files-icon {
  font-size: 2.8rem;
  margin-bottom: 12px;
  opacity: 0.8;
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
  animation: fadeIn 0.15s ease-out;
}

.auth-or-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 12px;
  color: #64748b;
  font-size: 0.78rem;
}
.auth-or-divider::before,
.auth-or-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.btn-telegram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 14px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(180deg, #37aee2 0%, #1e96c8 100%);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(30, 150, 200, 0.35);
  transition: filter 0.15s, transform 0.1s;
}
.btn-telegram:hover {
  filter: brightness(1.06);
  color: #fff;
}
.btn-telegram:active {
  transform: translateY(1px);
}

.auth-telegram-hint {
  margin: 8px 0 10px;
  font-size: 0.74rem;
  line-height: 1.4;
  color: #94a3b8;
  text-align: center;
}

.modal-card {
  width: 100%;
  max-width: 420px;
  max-height: min(92vh, 720px);
  overflow-y: auto;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.05);
  position: relative;
  animation: modalScale 0.18s ease-out;
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-tabs {
  display: flex;
  gap: 4px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 3px;
}

.modal-tab {
  padding: 7px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.modal-tab.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  line-height: 1;
}

.btn-close:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.modal-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: -4px 0 16px;
  line-height: 1.4;
}

.login-mode-fieldset {
  margin: 10px 0 4px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}
.login-mode-fieldset legend {
  padding: 0 6px;
  font-size: 0.85rem;
  color: var(--text-muted, #9aa3b2);
}
.login-mode-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 8px 0 0;
  font-size: 0.9rem;
  cursor: pointer;
}
.login-mode-option input {
  margin-top: 3px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
}

.auth-label input {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 11px 14px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--text-main);
  font: inherit;
  font-size: 0.9rem;
  outline: none;
}

.auth-label input:focus {
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.auth-error {
  color: var(--danger);
  font-size: 0.84rem;
  min-height: 1.2em;
}

/* --- Move Modal Destination List --- */
.folder-select-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  margin-top: 10px;
}

.folder-select-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 0.88rem;
  font-weight: 500;
}

.folder-select-item:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--primary);
  color: #93c5fd;
}

.folder-select-item.current {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--primary);
  color: #93c5fd;
  font-weight: 600;
}

.f-icon { font-size: 1.1rem; }
.f-name { flex: 1; }
.f-check { font-size: 0.78rem; color: #60a5fa; font-weight: 700; }

.toast {
  position: fixed;
  bottom: 28px;
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.2s ease-out;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.key-dropzone:hover {
  border-color: var(--primary) !important;
  background: rgba(59, 130, 246, 0.1) !important;
}

.hidden { display: none !important; }