/* ============================================================
   Johnny — Nordic Design System
   Clean, minimal, Scandinavian-inspired with dark/light mode.
   Uses Inter font via Google Fonts (loaded in layout).
   ============================================================ */

/* --- Design tokens (light — default) --- */
:root {
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  --bg:         #fafafa;
  --bg-raised:  #ffffff;
  --bg-inset:   #f0f0f0;
  --border:     #e2e2e2;
  --border-sub: #ececec;
  --text:       #1a1a1a;
  --text-sec:   #6b6b6b;
  --text-ter:   #999999;
  --accent:     #2563eb;
  --accent-soft:#dbeafe;
  --danger:     #dc2626;
  --danger-soft:#fef2f2;
  --success:    #16a34a;
  --success-soft:#f0fdf4;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow:    0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);

  --radius:    10px;
  --radius-sm: 6px;
  --radius-lg: 14px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Dark mode --- */
[data-theme="dark"] {
  --bg:         #111113;
  --bg-raised:  #1a1a1e;
  --bg-inset:   #141416;
  --border:     #2a2a2e;
  --border-sub: #222226;
  --text:       #ececec;
  --text-sec:   #9a9a9e;
  --text-ter:   #6a6a6e;
  --accent:     #6399ff;
  --accent-soft:#1a2744;
  --danger:     #f87171;
  --danger-soft:#2d1515;
  --success:    #4ade80;
  --success-soft:#0d2818;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow:    0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
}

/* --- System preference auto (when no explicit theme is set) --- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg:         #111113;
    --bg-raised:  #1a1a1e;
    --bg-inset:   #141416;
    --border:     #2a2a2e;
    --border-sub: #222226;
    --text:       #ececec;
    --text-sec:   #9a9a9e;
    --text-ter:   #6a6a6e;
    --accent:     #6399ff;
    --accent-soft:#1a2744;
    --danger:     #f87171;
    --danger-soft:#2d1515;
    --success:    #4ade80;
    --success-soft:#0d2818;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow:    0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  }
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

/* --- Typography --- */
h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

h2 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-sec);
  margin: 0 0 0.75rem;
}

p { margin: 0 0 0.75rem; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s var(--ease);
}
a:hover { opacity: 0.8; }

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg-inset);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

/* --- Layout shell --- */
.shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Header / nav --- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 56px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-brand {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topbar-brand svg {
  width: 20px;
  height: 20px;
  opacity: 0.85;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.topbar-nav a,
.topbar-nav .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-sec);
  border-radius: var(--radius-sm);
  transition: color 0.15s var(--ease), background 0.15s var(--ease);
}
.topbar-nav a:hover,
.topbar-nav .nav-link:hover {
  color: var(--text);
  background: var(--bg-inset);
  opacity: 1;
}
.topbar-nav a.active {
  color: var(--text);
  background: var(--bg-inset);
}

/* Theme toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-raised);
  color: var(--text-sec);
  cursor: pointer;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease), background 0.15s var(--ease);
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text-ter);
  background: var(--bg-inset);
}
.theme-toggle svg { width: 16px; height: 16px; }
[data-theme="dark"] .theme-toggle .icon-sun { display: inline-block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root:not([data-theme="dark"]) .theme-toggle .icon-sun { display: none; }
:root:not([data-theme="dark"]) .theme-toggle .icon-moon { display: inline-block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-toggle .icon-sun { display: inline-block; }
  :root:not([data-theme]) .theme-toggle .icon-moon { display: none; }
}

.nav-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 0.25rem;
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

a.theme-toggle {
  color: var(--text-sec);
  opacity: 1;
}
a.theme-toggle:hover {
  opacity: 1;
}

.theme-toggle.active {
  color: var(--text);
  border-color: var(--text-ter);
  background: var(--bg-inset);
}

/* --- Main content --- */
.wrap {
  flex: 1;
  max-width: 880px;
  width: 100%;
  min-width: 0;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

/* Page header area */
.page-header {
  margin-bottom: 1.75rem;
}
.page-header h1 { margin-bottom: 0.25rem; }
.page-header .subtitle {
  color: var(--text-sec);
  font-size: 0.875rem;
  margin: 0;
}

/* --- Cards --- */
.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.card + .card { margin-top: 0; }

/* --- Stat cards (dashboard) --- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
}
.stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.stat-icon svg {
  width: 20px;
  height: 20px;
}
.stat-label {
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-ter);
  margin-bottom: 0.25rem;
}
.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.stat-sub {
  font-size: 0.75rem;
  color: var(--text-ter);
  margin-top: 0.2rem;
}

/* --- Grid (dashboard) --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}
.card-grid .card {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
}
.card-grid .card h2 {
  margin-bottom: 0.5rem;
}

/* Quick-link card hover */
.card-link {
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.card-link:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  opacity: 1;
}
.card-link:hover h2 { color: var(--accent); }
a.card-link .card-desc { color: var(--text-sec); }

/* --- Forms --- */
label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-sec);
  margin-bottom: 0.3rem;
  letter-spacing: 0.01em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
select {
  width: 100%;
  max-width: 26rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.875rem;
  font-family: var(--font);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

input[type="file"] {
  font-size: 0.825rem;
  font-family: var(--font);
  color: var(--text-sec);
}

input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
}

.form-group { margin-bottom: 1rem; }
.form-group:last-child { margin-bottom: 0; }

/* Inline form row */
.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
}

/* --- Buttons --- */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  font-size: 0.825rem;
  font-weight: 500;
  font-family: var(--font);
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
  white-space: nowrap;
}

/* Primary */
.btn-primary,
button:not(.secondary):not(.danger):not(.ghost):not(.theme-toggle) {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover,
button:not(.secondary):not(.danger):not(.ghost):not(.theme-toggle):hover {
  opacity: 0.9;
  box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}

/* Secondary / ghost */
button.secondary,
.btn-secondary,
button.ghost,
.btn-ghost {
  background: transparent;
  color: var(--text-sec);
  border-color: var(--border);
}
button.secondary:hover,
.btn-secondary:hover,
button.ghost:hover,
.btn-ghost:hover {
  background: var(--bg-inset);
  color: var(--text);
  border-color: var(--text-ter);
}

/* Danger */
button.danger,
.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
button.danger:hover,
.btn-danger:hover {
  opacity: 0.9;
}

/* Small button */
button.sm, .btn-sm {
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
}

/* --- Alerts / status --- */
.alert {
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.alert-success {
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid var(--success);
}

.alert-error {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* Legacy class compat */
.status { composes: alert-success; }
.errors { composes: alert-error; }
.status {
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid var(--success);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.errors {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* --- Tables --- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

.table-wrap table {
  width: max-content;
  min-width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-ter);
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-sub);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }

tbody tr {
  transition: background 0.1s var(--ease);
}
tbody tr:hover {
  background: var(--bg-inset);
}

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

/* --- Pre / code blocks --- */
pre.raw {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--bg-inset);
  color: var(--text);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-sub);
  max-height: 20rem;
  overflow: auto;
  line-height: 1.6;
}

/* --- Utility classes --- */
.muted { color: var(--text-sec); font-size: 0.85rem; }
.text-sm { font-size: 0.825rem; }
.text-xs { font-size: 0.75rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 0.75rem; }
.mt-3 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

/* --- Auth pages (login, 2FA, etc.) --- */
.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem 1rem;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 1.75rem;
  box-shadow: var(--shadow-md);
}

.auth-card .brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.auth-card .brand svg {
  width: 22px;
  height: 22px;
  opacity: 0.85;
}

.auth-card h1 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.auth-card .subtitle {
  color: var(--text-sec);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.auth-card input[type="text"],
.auth-card input[type="email"],
.auth-card input[type="password"] {
  max-width: 100%;
}

.auth-card button[type="submit"] {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.25rem;
}

/* 2FA challenge: single text control to switch app ↔ recovery */
.two-factor-flip-wrap {
  margin-top: 0.65rem;
  text-align: center;
}
.two-factor-flip {
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}
.two-factor-flip:hover {
  color: var(--text);
}
.two-factor-flip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.auth-footer {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.825rem;
  color: var(--text-sec);
}

/* Legacy compat */
.login-box { display: contents; }

/* --- Footer --- */
.site-footer {
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-ter);
  border-top: 1px solid var(--border-sub);
  margin-top: auto;
}

/* --- QR code (2FA) --- */
.qr-frame {
  display: inline-block;
  padding: 0.75rem;
  background: #ffffff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.qr-frame img,
.qr-frame svg {
  display: block;
  max-width: 180px;
  height: auto;
}

/* Recovery codes (2FA) */
.recovery-codes-heading {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-sec);
  margin: 0 0 0.5rem;
}

.recovery-codes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.recovery-code-cell {
  padding: 0.5rem 0.65rem;
  background: var(--bg-inset);
  border: 1px solid var(--border-sub);
  border-radius: var(--radius-sm);
  text-align: center;
}

.recovery-code-cell code {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: transparent;
  padding: 0;
}

.recovery-codes-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.recovery-codes-plain {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: pre;
  border: 0;
}

.recovery-codes-block {
  position: relative;
}

/* --- Tabs --- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tabs a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 1rem;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-sec);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.tabs a:hover {
  color: var(--text);
  opacity: 1;
}
.tabs a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* --- File Manager --- */
.fm-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  font-weight: 500;
  min-height: 1.5rem;
}
.fm-breadcrumb > svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}
.fm-breadcrumb a {
  color: var(--text-sec);
}
.fm-breadcrumb a:hover {
  color: var(--accent);
}
.fm-breadcrumb .active {
  color: var(--text);
  font-weight: 600;
}
.fm-breadcrumb-sep {
  color: var(--text-ter);
  font-size: 0.85rem;
  user-select: none;
}

.fm-entry {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.fm-entry svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.fm-folder {
  color: var(--text);
  font-weight: 500;
}
.fm-folder:hover {
  color: var(--accent);
  opacity: 1;
}
.fm-folder svg {
  color: var(--accent);
}
.fm-file svg {
  color: var(--text-ter);
}
.fm-size {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.fm-row-folder td {
  background: var(--bg-inset);
}

/* --- Empty state --- */
.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-sec);
}
.empty-state p {
  font-size: 0.875rem;
  margin: 0;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .topbar { padding: 0 1rem; }
  .topbar-brand-text { display: none; }
  .topbar-nav { gap: 0.15rem; }
  .topbar-nav a, .topbar-nav .nav-link {
    padding: 0.35rem 0.5rem;
    font-size: 0.775rem;
  }
  .wrap { padding: 1.25rem 1rem 2rem; }
  .card { padding: 1rem 1.1rem; }
  .stat-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.25rem; }
  .auth-card { padding: 1.5rem; }
}