/* style.css - Premium Stylesheet for CryptKeeper PWA */

:root {
  /* Obsidian Dark Theme (Default) */
  --bg-main: #0c0e12;
  --bg-panel: rgba(22, 26, 34, 0.75);
  --bg-sidebar: #12161f;
  --bg-input: #171b26;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #e2e8f0;
  --text-muted: #8e9cae;
  --accent: #3182ce;
  --accent-hover: #4299e1;
  --accent-light: rgba(49, 130, 206, 0.15);
  --danger: #fc8181;
  --warning: #f6ad55;
  --success: #48bb78;
  --very-strong: #38b2ac;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --glass-blur: blur(12px);
  --card-hover: rgba(255, 255, 255, 0.02);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body.theme-light {
  /* Clean Light Theme */
  --bg-main: #f4f6f9;
  --bg-panel: rgba(255, 255, 255, 0.8);
  --bg-sidebar: #ffffff;
  --bg-input: #edf2f7;
  --border-color: rgba(0, 0, 0, 0.08);
  --text-main: #2d3748;
  --text-muted: #718096;
  --accent: #2b6cb0;
  --accent-hover: #3182ce;
  --accent-light: rgba(43, 108, 176, 0.1);
  --danger: #e53e3e;
  --warning: #dd6b20;
  --success: #38a169;
  --very-strong: #319795;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --card-hover: rgba(0, 0, 0, 0.015);
}

body.theme-sepia {
  /* Sepia Paper Theme */
  --bg-main: #f3ebd8;
  --bg-panel: rgba(252, 248, 238, 0.85);
  --bg-sidebar: #ebdcb9;
  --bg-input: #f9f5ea;
  --border-color: rgba(67, 52, 34, 0.15);
  --text-main: #433422;
  --text-muted: #7d6b58;
  --accent: #8c4a20;
  --accent-hover: #a05a2c;
  --accent-light: rgba(140, 74, 32, 0.1);
  --danger: #9b2c2c;
  --warning: #9c4221;
  --success: #22543d;
  --very-strong: #1a3a3a;
  --shadow: 0 10px 15px -3px rgba(67, 52, 34, 0.1), 0 4px 6px -2px rgba(67, 52, 34, 0.05);
  --card-hover: rgba(67, 52, 34, 0.03);
}

/* Reset and Foundations */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  line-height: 1.5;
  background-color: var(--bg-main);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.015em;
  color: var(--text-main);
}

button {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  outline: none;
}

button:active {
  transform: scale(0.97);
}

/* Common form control styles */
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  outline: none;
  font-size: 0.95rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
  background-color: var(--bg-input);
}

.form-control.monospace {
  font-family: monospace;
}

.form-control.resize-none {
  resize: none;
}

/* Modal Button Grid class */
.modal-buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.modal-buttons button {
  flex: 1;
  margin-top: 0 !important;
}

/* Divider spacing class */
.divider-top {
  margin-top: 1.5rem !important;
  border-top: 1px solid var(--border-color) !important;
  padding-top: 1.5rem !important;
}

/* Glassmorphic Panel Helper */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Lock Screen Overlay */
#lock-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--bg-main);
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

#lock-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lock-card {
  width: 90%;
  max-width: 420px;
  padding: 2.5rem 2rem;
  text-align: center;
  animation: floatIn 0.5s ease-out;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo-container {
  margin-bottom: 1.5rem;
}

.logo-icon {
  width: 64px;
  height: 64px;
  fill: var(--accent);
}

.lock-card h2 {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.lock-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.2rem;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  outline: none;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.input-wrapper input:focus {
  border-color: var(--accent);
}

.btn-primary {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, transform 0.1s;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  width: 100%;
  padding: 0.75rem;
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-top: 0.5rem;
}

.btn-secondary:hover {
  background-color: var(--accent-light);
}

.lock-footer {
  margin-top: 1.5rem;
}

/* Master Password Strength Meter */
.pass-strength-indicator {
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  margin-top: 0.4rem;
  overflow: hidden;
  position: relative;
}

.pass-strength-fill {
  height: 100%;
  width: 0;
  transition: width 0.3s ease, background-color 0.3s ease;
}

.pass-strength-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  display: block;
  text-align: right;
}

/* Dashboard Container */
.dashboard {
  height: 100vh;
  width: 100vw;
  background-color: var(--bg-main);
  transition: transform 0.3s ease;
}

/* Sidebar Navigation */
.sidebar {
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.sidebar-header {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-menu {
  list-style: none;
  padding: 1rem;
  flex: 1;
  overflow-y: auto;
}

.sidebar-menu li {
  margin-bottom: 0.25rem;
}

.menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  background: transparent;
  border-radius: 8px;
  text-align: left;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
  color: var(--text-muted);
}

.menu-item:hover, .menu-item.active {
  background-color: var(--accent-light);
  color: var(--accent);
}

.menu-item-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-item-left svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.4rem;
  border-radius: 10px;
  background-color: var(--border-color);
  color: var(--text-main);
  font-weight: 600;
}

.menu-item.active .badge {
  background-color: var(--accent);
  color: white;
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Middle List Pane */
.item-list-pane {
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--bg-main);
}

.list-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.search-bar {
  position: relative;
  margin-bottom: 1rem;
}

.search-bar input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  outline: none;
  font-size: 0.9rem;
}

.search-bar svg {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
}

.list-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.list-actions h2 {
  font-size: 1rem;
  font-weight: 600;
}

.btn-add {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-add svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.items-scroll-list {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.item-card {
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.item-card:hover {
  transform: translateY(-2px);
  background-color: var(--card-hover);
  border-color: var(--accent);
}

.item-card.active {
  border-color: var(--accent);
  background-color: var(--accent-light);
}

.item-card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.item-card-title {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-card-username {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
}

.item-card-tag {
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background-color: var(--border-color);
  color: var(--text-muted);
  text-transform: capitalize;
}

.item-card-icons {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.icon-small {
  width: 14px;
  height: 14px;
  fill: var(--text-muted);
}

.icon-small.active {
  fill: var(--warning);
}

.icon-danger {
  fill: var(--danger) !important;
}

/* Details Pane */
.details-pane {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--bg-main);
  overflow-y: auto;
}

.details-placeholder {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  color: var(--text-muted);
  padding: 2rem;
  text-align: center;
  gap: 1rem;
}

.details-placeholder svg {
  width: 80px;
  height: 80px;
  fill: var(--border-color);
}

.details-content {
  padding: 2rem;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.details-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.details-title-area h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.details-title-area p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.details-actions {
  display: flex;
  gap: 0.5rem;
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.detail-field {
  padding: 1.25rem;
}

.detail-field-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.detail-field-value {
  font-size: 1.1rem;
  font-weight: 500;
  word-break: break-all;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.detail-field-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
  fill: var(--text-main);
}

.btn-icon:hover {
  background-color: var(--accent-light);
  border-color: var(--accent);
  fill: var(--accent);
}

.btn-icon svg {
  width: 16px;
  height: 16px;
}

.insecure-warning {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--warning);
  font-size: 0.8rem;
  font-weight: 500;
}

.insecure-warning svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Edit Mode Layout */
.edit-form {
  padding: 2rem;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.edit-form-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.edit-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* Modals & Dialogs */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 500;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  width: 90%;
  max-width: 500px;
  padding: 2rem;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.92) translateY(12px);
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Modal sizes */
.modal-card.modal-sm {
  max-width: 400px;
}

.modal-card.modal-lg {
  max-width: 700px;
}

@media (max-width: 575px) {
  .modal-card {
    padding: 1.25rem;
    width: 95%;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.modal-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
}

/* Password Generator Panel */
.gen-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.gen-option label {
  font-size: 0.9rem;
}

.gen-slider-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.gen-slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

.gen-slider-val {
  font-weight: 700;
  font-size: 1.1rem;
  min-width: 30px;
  text-align: right;
}

.gen-result-box {
  padding: 1rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: monospace;
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  word-break: break-all;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 54px;
}

.gen-metrics {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

/* Security Audit Dashboard styling */
.audit-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.audit-stat-card {
  padding: 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.audit-stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.audit-stat-card.active {
  border-color: var(--accent);
  background-color: var(--accent-light);
}

.audit-stat-num {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.audit-stat-lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.audit-list-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.audit-vulnerabilities-list {
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.audit-issue-card {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.audit-issue-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.audit-issue-title {
  font-weight: 600;
  font-size: 0.85rem;
}

.audit-issue-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Offline Connection Status Indicator */
#offline-banner {
  position: fixed;
  top: 15px;
  left: 50%;
  transform: translate(-50%, -100px);
  z-index: 10000;
  width: 90%;
  max-width: 500px;
  background-color: var(--warning);
  color: #000;
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

#offline-banner.active {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

/* Premium lock tags and buttons */
.premium-locked-tag {
  font-size: 0.65rem;
  background-color: var(--warning);
  color: #000;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  font-weight: 700;
  margin-left: 0.4rem;
  vertical-align: middle;
}

/* Desktop Responsive Layout */
@media (min-width: 993px) {
  .dashboard {
    display: grid;
    grid-template-columns: 260px 340px 1fr;
  }
  .mobile-header, .back-btn {
    display: none;
  }
  .sidebar, .item-list-pane, .details-pane {
    position: relative !important;
    transform: none !important;
  }
}

/* Unified Side-Menu Drawer for Tablet & Mobile */
@media (max-width: 992px) {
  .sidebar {
    position: fixed !important;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .sidebar.active {
    transform: translateX(0);
  }
}

/* Tablet Responsive Layout */
@media (max-width: 992px) and (min-width: 768px) {
  .dashboard {
    display: grid;
    grid-template-columns: 320px 1fr;
  }
  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
  }
  .back-btn {
    display: none;
  }
}

/* Mobile Responsive Layout */
@media (max-width: 767px) {
  .dashboard {
    display: block;
    position: relative;
  }
  .item-list-pane {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .details-pane {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .dashboard.show-details .details-pane {
    transform: translateX(0);
  }
  .dashboard.show-details .item-list-pane {
    transform: translateX(-100%);
  }
  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
  }
  .mobile-menu-trigger {
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
  }
  .mobile-menu-trigger svg {
    width: 24px;
    height: 24px;
    fill: var(--text-main);
  }
  .back-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
  }
  .back-btn svg {
    width: 16px;
    height: 16px;
    fill: var(--text-main);
  }
}

/* Sidebar Drawer Backdrop for Tablet/Mobile */
.sidebar-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.sidebar-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Toast Notification Styles */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  background-color: var(--bg-panel);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  font-size: 0.9rem;
  animation: slideInRight 0.3s ease-out;
  max-width: 320px;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast-success {
  border-left: 4px solid var(--success);
}

.toast-error {
  border-left: 4px solid var(--danger);
}

.toast-warning {
  border-left: 4px solid var(--warning);
}

.toast-info {
  border-left: 4px solid var(--accent);
}

/* Auto-lock warning bar */
#autolock-warning {
  position: fixed;
  top: 75px;
  left: 50%;
  transform: translate(-50%, -100px);
  z-index: 10000;
  width: 90%;
  max-width: 500px;
  background-color: var(--danger);
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

#autolock-warning.active {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

/* --- Premium Expansion Phase 2 CSS Styles --- */

/* 12-Month Promo Banner */
.promo-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-bottom: 2px solid #b45309;
  font-family: inherit;
  z-index: 100;
  width: 100%;
}

.promo-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.promo-badge {
  background: #ffffff;
  color: #d97706;
  font-weight: bold;
  font-size: 0.75rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

.promo-text {
  margin: 0;
  font-size: 0.9rem;
}

.promo-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-promo-confirm {
  background-color: #1e293b;
  color: #ffffff;
  border: none;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background-color 0.2s;
}

.btn-promo-confirm:hover {
  background-color: #0f172a;
}

.btn-promo-dismiss {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
}

.btn-promo-dismiss:hover {
  opacity: 1;
}

/* File Attachments Dropzone & List */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: rgba(49, 130, 206, 0.05);
}

.attachments-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.attachment-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.85rem;
  gap: 1rem;
}

.attachment-item .file-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
}

.attachment-item .file-name {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-main);
}

.attachment-item .file-size {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.attachment-item .actions {
  display: flex;
  gap: 0.25rem;
}

/* Password History Accordion & Items */
#password-history-accordion {
  width: 100%;
}

#password-history-accordion summary {
  cursor: pointer;
  font-weight: 600;
  outline: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#password-history-accordion summary::-webkit-details-marker {
  display: none;
}

.accordion-arrow {
  font-size: 0.8rem;
  transition: transform 0.2s;
  color: var(--text-muted);
}

#password-history-accordion[open] .accordion-arrow {
  transform: rotate(180deg);
}

.history-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.85rem;
}

.history-item .change-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.history-password-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.history-pass-input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--text-main);
  outline: none;
  padding: 0.25rem;
}

/* Custom Categories on sidebar Wrapper */
.custom-category-item-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.btn-delete-category {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem;
}

.menu-item:hover .btn-delete-category {
  opacity: 0.7;
}

.btn-delete-category:hover {
  opacity: 1 !important;
  color: var(--danger);
}

/* Admin Dashboard Console Styles */
.admin-card {
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.admin-stats-table td {
  padding: 0.5rem 0;
}