/* ─────────────────────────────────────────
   Backup Hub — Dark UI
   Font: Vazirmatn (loaded via base.html)
   ───────────────────────────────────────── */

/* ── tokens ───────────────────────────── */
:root {
  color-scheme: dark;

  --bg-base: #060d1a;
  --bg-1:    #0b1525;
  --bg-2:    #111f36;
  --bg-3:    #172848;

  --glass:        rgba(255, 255, 255, 0.04);
  --glass-hover:  rgba(255, 255, 255, 0.07);
  --border:       rgba(255, 255, 255, 0.08);
  --border-hi:    rgba(79, 145, 247, 0.45);

  --text:  #dde8f8;
  --sub:   #8ca4c8;
  --muted: #4e6888;

  --accent:      #4f91f7;
  --accent-dark: #3575e0;
  --accent-glow: rgba(79, 145, 247, 0.28);
  --cyan:        #38bdf8;

  --success:        #34d399;
  --success-bg:     rgba(52, 211, 153, 0.1);
  --success-border: rgba(52, 211, 153, 0.28);

  --danger:    #f87171;
  --danger-bg: rgba(248, 113, 113, 0.1);

  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;

  --shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 1px 0 rgba(255, 255, 255, 0.04) inset;
  --shadow-btn: 0 4px 18px var(--accent-glow);
}

/* ── reset ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, p    { margin: 0; }

/* ── base ──────────────────────────────── */
body {
  min-height: 100vh;
  background: var(--bg-base);
  background-image:
    radial-gradient(ellipse 85% 55% at 12% -8%,  rgba(79, 145, 247, 0.13) 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 88% 108%, rgba(56, 189, 248, 0.08) 0%, transparent 55%);
  color: var(--text);
  font-family: 'Vazirmatn', Tahoma, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
}

/* dot-grid texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
}

button, input { font: inherit; }
button { cursor: pointer; }

/* ── typography ────────────────────────── */
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.15;
  background: linear-gradient(140deg, #ffffff 0%, #a8c8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

h3 {
  font-size: 17px;
  font-weight: 700;
}

/* ── AUTH PAGE ─────────────────────────── */
.auth-layout {
  position: relative;
  z-index: 1;
  width: min(1160px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 40px 32px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 28px;
}

/* visual panel */
.auth-visual {
  min-height: 580px;
  border-radius: var(--r-lg);
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
  background: linear-gradient(145deg, rgba(15, 28, 55, 0.9) 0%, rgba(8, 17, 35, 0.95) 100%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.auth-visual::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(79, 145, 247, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.auth-visual::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 260px;
  height: 260px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* auth card */
.auth-card {
  border-radius: var(--r-lg);
  padding: 40px;
  background: rgba(11, 21, 37, 0.92);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

/* brand */
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.brand-lockup.compact h1 {
  font-size: 24px;
  -webkit-text-fill-color: var(--text);
}

.brand-logo {
  width: 58px;
  height: 58px;
  border-radius: var(--r-sm);
  object-fit: contain;
  flex-shrink: 0;
}

.brand-logo-text {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--cyan) 100%);
  color: #fff;
  font-weight: 900;
  font-size: 17px;
  box-shadow: 0 0 28px var(--accent-glow);
}

/* status board */
.status-board {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.status-pill {
  grid-column: 1 / -1;
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--success-border);
  background: var(--success-bg);
  color: var(--success);
  font-size: 12px;
  font-weight: 700;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
  flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1;   transform: scale(1);    }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

.metric-card {
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s, background 0.2s;
}

.metric-card:hover {
  border-color: var(--border-hi);
  background: rgba(79, 145, 247, 0.06);
}

.metric-card.wide { grid-column: 1 / -1; }

.metric-card span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 6px;
}

.metric-card strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
}

/* section heading */
.section-heading {
  margin-bottom: 28px;
}

.section-heading p {
  color: var(--sub);
  font-size: 14px;
  margin-top: 8px;
}

/* ── FORM ──────────────────────────────── */
.form-stack {
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 7px;
}

.field > span {
  font-size: 13px;
  font-weight: 600;
  color: var(--sub);
}

.field input {
  width: 100%;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
}

.field input::placeholder {
  color: var(--muted);
}

.field input:focus {
  border-color: var(--accent);
  background: rgba(79, 145, 247, 0.07);
  box-shadow: 0 0 0 4px rgba(79, 145, 247, 0.14);
}

/* ── BUTTONS ───────────────────────────── */
.primary-button,
.secondary-button,
.icon-button {
  height: 44px;
  border: none;
  border-radius: var(--r-sm);
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.14s, box-shadow 0.14s, background 0.14s, opacity 0.14s;
}

.primary-button {
  background: linear-gradient(135deg, #5596ff 0%, #3070e8 100%);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.primary-button:hover:not(:disabled) {
  background: linear-gradient(135deg, #6ea8ff 0%, #4f91f7 100%);
  box-shadow: 0 6px 28px rgba(79, 145, 247, 0.45);
  transform: translateY(-1px);
}

.primary-button:active:not(:disabled) {
  transform: translateY(0);
}

.secondary-button {
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.secondary-button:hover {
  background: var(--bg-3);
  border-color: rgba(255, 255, 255, 0.15);
}

.icon-button {
  width: 38px;
  min-height: 38px;
  padding: 0;
  background: var(--bg-2);
  color: var(--sub);
  border: 1px solid var(--border);
  font-size: 20px;
  border-radius: var(--r-sm);
}

.icon-button:hover {
  background: var(--bg-3);
  color: var(--text);
}

.full { width: 100%; }

.loader {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 999px;
  animation: spin 0.7s linear infinite;
}

.is-loading .loader { display: inline-block; }
.is-loading span    { opacity: 0.65; }

button:disabled {
  cursor: wait;
  opacity: 0.6;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── ALERT ─────────────────────────────── */
.alert {
  margin-bottom: 18px;
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-size: 14px;
}

.alert-danger {
  background: var(--danger-bg);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: var(--danger);
}

/* ── DASHBOARD ─────────────────────────── */
.dashboard-shell {
  position: relative;
  z-index: 1;
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 28px 32px;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding: 18px 24px;
  background: rgba(11, 21, 37, 0.85);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(18px);
}

/* summary cards */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.summary-card {
  padding: 22px 24px;
  border-radius: var(--r-md);
  background: rgba(11, 21, 37, 0.7);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  transition: border-color 0.2s, transform 0.2s;
}

.summary-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
}

.summary-card span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 10px;
}

.summary-card strong {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* panel */
.panel {
  background: rgba(11, 21, 37, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 26px;
  backdrop-filter: blur(18px);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 { margin-bottom: 0; }

.secure-badge {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--success-border);
  background: var(--success-bg);
  color: var(--success);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* backup list */
.backup-list { display: grid; gap: 10px; }

.backup-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.backup-item:hover {
  border-color: rgba(79, 145, 247, 0.3);
  background: rgba(79, 145, 247, 0.04);
  transform: translateX(-3px);
}

.backup-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  background: rgba(79, 145, 247, 0.12);
  border: 1px solid rgba(79, 145, 247, 0.22);
  color: var(--accent);
  flex-shrink: 0;
}

.backup-icon svg { width: 22px; height: 22px; }

.backup-meta { min-width: 0; }

.backup-meta strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  overflow-wrap: anywhere;
  margin-bottom: 4px;
  color: var(--text);
}

.backup-meta span {
  font-size: 12px;
  color: var(--muted);
}

/* empty state */
.empty-state {
  padding: 64px 24px;
  text-align: center;
  border: 1px dashed rgba(255, 255, 255, 0.08);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.015);
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--muted);
}

.empty-icon svg { width: 28px; height: 28px; }

.empty-state h3 {
  margin-bottom: 10px;
  color: var(--sub);
}

.empty-state p {
  margin: 0 auto;
  color: var(--muted);
  font-size: 14px;
  max-width: 360px;
}

/* ── TOTP DIALOG ───────────────────────── */
.totp-dialog {
  width: min(440px, calc(100% - 32px));
  border: 1px solid var(--border-hi);
  border-radius: var(--r-lg);
  padding: 30px;
  background: #0b1525;
  color: var(--text);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(79, 145, 247, 0.12) inset;
}

.totp-dialog::backdrop {
  background: rgba(3, 7, 15, 0.78);
  backdrop-filter: blur(6px);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.totp-dialog h2     { margin-bottom: 8px; }
.totp-dialog > form > p {
  color: var(--sub);
  font-size: 14px;
  margin-bottom: 20px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

/* ── RESPONSIVE ────────────────────────── */
@media (max-width: 860px) {
  .auth-layout {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .auth-visual {
    min-height: 280px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .auth-layout,
  .dashboard-shell {
    padding: 16px;
  }

  .dashboard-header {
    flex-direction: column;
    align-items: stretch;
  }

  .dashboard-header button {
    width: 100%;
  }

  .panel-header {
    flex-direction: column;
  }

  .backup-item {
    grid-template-columns: auto 1fr;
  }

  .backup-item .primary-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  h1 { font-size: 30px; }
}