/* FPL Password Vault - PWA Styles */
/* Adapted from popup.css — responsive layout, no fixed width. */

/* ===================================================================
   CSS Variables
   =================================================================== */

:root {
  --colour-bg: #f8f9fa;
  --colour-surface: #ffffff;
  --colour-primary: #4b77be;
  --colour-primary-hover: #3a5fa0;
  --colour-text: #1a1a2e;
  --colour-text-muted: #6b7280;
  --colour-border: #e2e5e9;
  --colour-error: #dc3545;
  --colour-success: #22c55e;
  --colour-input-bg: #f1f3f5;
  --radius: 8px;
  --radius-sm: 4px;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: 150ms ease;
}

/* ===================================================================
   Reset & Base
   =================================================================== */

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

body {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--colour-text);
  background: var(--colour-bg);
  line-height: 1.5;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ===================================================================
   Header
   =================================================================== */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--colour-primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}

header h1 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* ===================================================================
   Buttons
   =================================================================== */

.btn-primary {
  width: 100%;
  padding: 12px;
  background: var(--colour-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  width: 100%;
  padding: 10px;
  background: transparent;
  color: var(--colour-primary);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-secondary:hover {
  background: var(--colour-input-bg);
}

.btn-icon {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-link {
  margin-top: 8px;
  padding: 0;
  background: none;
  border: none;
  color: var(--colour-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  text-decoration: underline;
}

.btn-link:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-small {
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--colour-input-bg);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
}

.btn-small:hover {
  background: var(--colour-border);
}

.btn-copy, .btn-reveal {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--colour-text-muted);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}

.btn-copy:hover, .btn-reveal:hover {
  color: var(--colour-primary);
  background: var(--colour-input-bg);
}

/* ===================================================================
   Forms & Inputs
   =================================================================== */

.view-content {
  padding: 24px 16px;
  flex: 1;
}

.logo-area {
  text-align: center;
  margin-bottom: 24px;
}

.logo-area h1 {
  font-size: 18px;
  margin-top: 8px;
  color: var(--colour-primary);
}

.view-content h2 {
  font-size: 18px;
  margin-bottom: 4px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--colour-text-muted);
  margin-bottom: 4px;
  margin-top: 14px;
}

label:first-of-type {
  margin-top: 0;
}

.required {
  color: var(--colour-error);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  font-family: var(--font-sans);
  background: var(--colour-input-bg);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  color: var(--colour-text);
  outline: none;
  transition: border-color var(--transition);
}

input:focus, textarea:focus, select:focus {
  border-color: var(--colour-primary);
}

textarea {
  resize: vertical;
}

.hint {
  font-size: 13px;
  color: var(--colour-text-muted);
  margin-bottom: 12px;
}

.error {
  font-size: 13px;
  color: var(--colour-error);
  margin-top: 8px;
}

.password-input-row {
  display: flex;
  gap: 6px;
}

.password-input-row input {
  flex: 1;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.form-actions .btn-primary,
.form-actions .btn-secondary {
  flex: 1;
}

form button[type="submit"] {
  margin-top: 16px;
}

.form-actions button[type="submit"] {
  margin-top: 0;
}

/* ===================================================================
   Search bar
   =================================================================== */

.search-bar {
  padding: 12px 16px;
  border-bottom: 1px solid var(--colour-border);
  background: var(--colour-surface);
}

.search-bar input {
  background: var(--colour-input-bg);
}

/* ===================================================================
   Vault toolbar
   =================================================================== */

.vault-toolbar {
  display: flex;
  gap: 8px;
  padding: 8px 16px;
  background: var(--colour-surface);
  border-bottom: 1px solid var(--colour-border);
}

.btn-toolbar {
  flex: 1;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: var(--colour-primary);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: background var(--transition);
}

.btn-toolbar:hover {
  background: var(--colour-input-bg);
}

.btn-toolbar:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ===================================================================
   Entry list
   =================================================================== */

.entry-list {
  flex: 1;
}

.entry-card {
  padding: 14px 16px;
  border-bottom: 1px solid var(--colour-border);
  background: var(--colour-surface);
  transition: background var(--transition);
}

.entry-card:hover {
  background: var(--colour-bg);
}

.entry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  margin-bottom: 6px;
}

.entry-service {
  font-weight: 600;
  font-size: 14px;
  color: var(--colour-text);
}

.entry-url {
  font-size: 12px;
}

.entry-url a {
  color: var(--colour-primary);
  text-decoration: none;
}

.entry-url a:hover {
  text-decoration: underline;
}

.entry-field {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.entry-field-label {
  font-size: 12px;
  color: var(--colour-text-muted);
  width: 60px;
  flex-shrink: 0;
}

.entry-field-value {
  font-size: 13px;
  color: var(--colour-text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entry-field-value.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.entry-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.entry-notes {
  margin-top: 6px;
  font-size: 12px;
  color: var(--colour-text-muted);
  font-style: italic;
}

/* ===================================================================
   Empty state
   =================================================================== */

.empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--colour-text-muted);
  font-size: 14px;
}

/* ===================================================================
   Add entry section
   =================================================================== */

#add-entry-section {
  padding: 12px 16px;
  border-top: 1px solid var(--colour-border);
  background: var(--colour-surface);
}

.add-form {
  margin-top: 12px;
}

/* ===================================================================
   Toast
   =================================================================== */

.toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--colour-text);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  z-index: 100;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.toast.visible {
  opacity: 1;
}

/* ===================================================================
   Tab bar
   =================================================================== */

.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--colour-border);
  background: var(--colour-surface);
}

.tab {
  flex: 1;
  padding: 12px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--colour-text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.tab:hover {
  color: var(--colour-text);
}

.tab.active {
  color: var(--colour-primary);
  border-bottom-color: var(--colour-primary);
}

/* ===================================================================
   Shared links list
   =================================================================== */

.shared-card {
  padding: 14px 16px;
  border-bottom: 1px solid var(--colour-border);
  background: var(--colour-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.shared-card:hover {
  background: var(--colour-bg);
}

.shared-info {
  flex: 1;
  min-width: 0;
}

.shared-service {
  font-weight: 600;
  font-size: 14px;
}

.shared-recipient {
  font-size: 13px;
  color: var(--colour-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.shared-date {
  font-size: 12px;
  color: var(--colour-text-muted);
}

.shared-expiry {
  font-size: 12px;
  color: var(--colour-text-muted);
}

.btn-revoke {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  background: transparent;
  color: var(--colour-error);
  border: 1px solid var(--colour-error);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.btn-revoke:hover {
  background: var(--colour-error);
  color: #fff;
}

/* ===================================================================
   Share / edit / delete buttons on entry cards
   =================================================================== */

.btn-share, .btn-edit, .btn-delete {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--colour-text-muted);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}

.btn-share:hover, .btn-edit:hover {
  color: var(--colour-primary);
  background: var(--colour-input-bg);
}

.btn-delete:hover {
  color: var(--colour-error);
  background: var(--colour-input-bg);
}

.btn-delete-confirm {
  color: var(--colour-error);
  font-size: 12px;
  font-weight: 600;
}

/* ===================================================================
   Modal
   =================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal {
  background: var(--colour-surface);
  border-radius: var(--radius);
  padding: 20px;
  width: 360px;
  max-width: 90%;
}

.modal h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.modal .form-actions {
  margin-top: 14px;
}

/* ===================================================================
   Strength meter
   =================================================================== */

.strength-meter {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.strength-bar {
  flex: 1;
  height: 4px;
  background: var(--colour-border);
  border-radius: 2px;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width var(--transition), background var(--transition);
}

.strength-fill[data-level="rejected"] {
  width: 10%;
  background: var(--colour-error);
}

.strength-fill[data-level="weak"] {
  width: 33%;
  background: var(--colour-error);
}

.strength-fill[data-level="fair"] {
  width: 66%;
  background: #f59e0b;
}

.strength-fill[data-level="strong"] {
  width: 100%;
  background: var(--colour-success);
}

.strength-label {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.strength-label[data-level="rejected"],
.strength-label[data-level="weak"] {
  color: var(--colour-error);
}

.strength-label[data-level="fair"] {
  color: #f59e0b;
}

.strength-label[data-level="strong"] {
  color: var(--colour-success);
}

/* ===================================================================
   Install banner
   =================================================================== */

.install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--colour-surface);
  border-top: 1px solid var(--colour-border);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
  z-index: 90;
  font-size: 13px;
}

.install-banner span {
  flex: 1;
}

.install-banner .btn-icon {
  font-size: 18px;
  color: var(--colour-text-muted);
}

/* ===================================================================
   Responsive breakpoints
   =================================================================== */

@media (min-width: 481px) {
  body {
    border-left: 1px solid var(--colour-border);
    border-right: 1px solid var(--colour-border);
  }
}

@media (max-width: 360px) {
  .entry-header {
    flex-wrap: wrap;
  }

  .entry-service {
    width: 100%;
    margin-bottom: 4px;
  }
}