/* ============================================================
   SecureVault – Stylesheet
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f172a;
  --bg-2: #1e293b;
  --bg-3: #334155;
  --card: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --border: #334155;
  --primary: #3b82f6;
  --primary-h: #2563eb;
  --secondary: #8b5cf6;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --info: #06b6d4;
  --accent: #60a5fa;
}

body.light {
  --bg: #f1f5f9;
  --bg-2: #ffffff;
  --bg-3: #e2e8f0;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #cbd5e1;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
}

/* ===== Layout ===== */
.app { display: flex; min-height: 100vh; }

/* ===== Sidebar ===== */
.sidebar {
  width: 260px;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 0;
}
.logo-box {
  display: flex; align-items: center; gap: 12px;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
}
.logo { font-size: 32px; }
.logo-box h1 { font-size: 18px; font-weight: 700; }
.logo-box p { color: var(--muted); font-size: 12px; }

.sidebar nav {
  flex: 1; padding: 16px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s;
}
.nav-item:hover { background: var(--bg-3); }
.nav-item.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}
.nav-item small {
  margin-left: auto;
  background: rgba(255,255,255,0.15);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
}
.nav-item span { font-size: 16px; }

.side-foot {
  padding: 0 12px;
  display: flex; flex-direction: column; gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ===== Main ===== */
.main { flex: 1; padding: 24px; overflow-y: auto; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px;
  gap: 16px;
}
.search {
  flex: 1; max-width: 500px;
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
}
.search input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-size: 14px;
}
.top-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  width: 38px; height: 38px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.15s;
}
.icon-btn:hover { background: var(--bg-3); }
.user-chip {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; padding: 8px 14px;
  border-radius: 20px; font-size: 13px; font-weight: 500;
}

/* ===== KPI Row ===== */
.kpi-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 24px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: flex; align-items: center; gap: 14px;
}
.kpi span { font-size: 28px; }
.kpi b { font-size: 22px; display: block; }
.kpi p { color: var(--muted); font-size: 12px; }

/* ===== Cards ===== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 20px;
}
.card h2 { font-size: 16px; margin-bottom: 16px; }
.card-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
}
.card-head h2 { margin-bottom: 0; }
.page-size { font-size: 13px; color: var(--muted); }
.page-size select {
  background: var(--bg-2); border: 1px solid var(--border);
  color: var(--text); padding: 4px 8px; border-radius: 6px; margin-left: 6px;
}

/* ===== Form ===== */
.form-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px; margin-bottom: 16px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
}
.field input:focus, .field select:focus {
  border-color: var(--primary);
}

.pwd-wrap { position: relative; }
.pwd-wrap input { padding-right: 40px; width: 100%; }
.eye {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  cursor: pointer; user-select: none;
}

.strength {
  height: 6px; background: var(--bg-3);
  border-radius: 3px; overflow: hidden; margin-top: 4px;
}
.strength #strengthBar {
  height: 100%; width: 0;
  background: var(--danger);
  transition: width 0.3s, background 0.3s;
}
.muted { color: var(--muted); font-size: 12px; }

/* ===== Buttons ===== */
.btn {
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  transition: filter 0.15s, transform 0.1s;
  color: #fff;
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: translateY(1px); }
.btn-primary   { background: var(--primary); }
.btn-secondary { background: var(--secondary); }
.btn-success   { background: var(--success); }
.btn-warning   { background: var(--warning); }
.btn-danger    { background: var(--danger); }
.btn-info      { background: var(--info); }
.w100 { width: 100%; justify-content: center; }

.actions {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 12px;
}
.actions-center { justify-content: center; }

/* ===== Table ===== */
.table-wrap { overflow-x: auto; }
table {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
th, td {
  padding: 12px; text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  background: var(--bg);
  color: var(--muted); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
tbody tr:hover { background: var(--bg-3); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}
.bWork     { background: rgba(59,130,246,0.2);  color: #60a5fa; }
.bPersonal { background: rgba(139,92,246,0.2);  color: #a78bfa; }
.bBank     { background: rgba(34,197,94,0.2);   color: #4ade80; }
.bSocial   { background: rgba(236,72,153,0.2);  color: #f472b6; }

.pwd-mask { font-family: monospace; letter-spacing: 1px; }
.pin-badge { color: #facc15; font-size: 11px; }
.row-icon { cursor: pointer; margin-left: 6px; user-select: none; }
.row-icon-tight { margin-left: 4px; }
.row-btn {
  padding: 5px 10px;
  font-size: 12px;
  margin-right: 4px;
}
.empty-row { text-align: center; color: var(--muted); padding: 30px; }

/* ===== Pagination ===== */
.pagination {
  display: flex; gap: 6px; justify-content: center;
  margin-top: 16px;
}
.pagination button {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer; font-size: 13px;
}
.pagination button:hover { background: var(--bg-3); }
.pagination button.active {
  background: var(--primary); border-color: var(--primary); color: #fff;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 20px 0;
}

/* ===== Modals ===== */
.modal {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal.show { display: flex; }
.modal-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  width: 100%; max-width: 420px;
  max-height: 90vh; overflow-y: auto;
}
.modal-box h3 { margin-bottom: 14px; font-size: 16px; }
.modal-box p  { color: var(--muted); margin-bottom: 14px; font-size: 13px; }
.modal-box label {
  display: block; margin-bottom: 12px; font-size: 13px;
}
.modal-box input[type=number],
.modal-box input[type=password],
.modal-box input[type=text] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  width: 100%;
  margin-top: 4px;
}
.pin-input {
  text-align: center;
  font-size: 22px;
  letter-spacing: 8px;
  margin-bottom: 14px;
}

/* ===== About Modal ===== */
.about-box { max-width: 620px; }
.about-header {
  display: flex; align-items: center; gap: 14px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px; margin-bottom: 16px;
  position: relative;
}
.about-logo { font-size: 40px; }
.about-header h2 { font-size: 20px; }
.about-sub { color: var(--muted); font-size: 13px; }
.close-x {
  position: absolute; top: 0; right: 0;
  background: transparent; border: none;
  color: var(--muted); font-size: 20px;
  cursor: pointer; padding: 4px 8px;
}
.close-x:hover { color: var(--text); }

.about-body { font-size: 13px; }
.about-row {
  display: flex; justify-content: space-between;
  gap: 12px; padding: 6px 0;
  border-bottom: 1px dashed var(--border);
}
.about-label { color: var(--muted); }
.about-value { color: var(--text); text-align: right; }
.about-title {
  font-size: 14px; margin: 18px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.about-list { list-style: none; padding: 0; }
.about-list li { padding: 4px 0; font-size: 13px; }
.about-list.two-col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px;
}
.about-text { font-size: 13px; color: var(--muted); line-height: 1.6; }

.warning-box {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 10px;
  padding: 14px;
  margin: 14px 0;
}
.warning-box h3 { font-size: 14px; margin-bottom: 8px; color: #fbbf24; }
.warning-box ul { list-style: none; padding: 0; }
.warning-box li { padding: 4px 0; font-size: 12px; line-height: 1.5; }

.about-link {
  color: var(--accent); text-decoration: none; word-break: break-all;
}
.about-link:hover { text-decoration: underline; color: #93c5fd; }
.about-link:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px;
}

.about-links {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin: 20px 0 10px;
}
.link-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px;
  background: rgba(96,165,250,0.12);
  color: var(--accent);
  text-decoration: none;
  font-size: 13px; font-weight: 500;
  border: 1px solid rgba(96,165,250,0.3);
  transition: background 0.15s, transform 0.1s;
}
.link-btn:hover {
  background: rgba(96,165,250,0.22);
  text-decoration: none;
}
.link-btn:active { transform: translateY(1px); }
.link-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.about-footer {
  text-align: center; padding-top: 16px;
  margin-top: 16px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 12px;
}
.about-tagline { font-style: italic; margin-top: 6px; }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--success); color: #fff;
  padding: 12px 20px; border-radius: 10px;
  font-size: 13px; font-weight: 500;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none; z-index: 2000;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ===== Accessibility helpers ===== */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.noscript-msg { color: #fff; padding: 20px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .form-grid { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; }
  .main { padding: 16px; }
  .kpi-row { grid-template-columns: 1fr; }
  .about-list.two-col { grid-template-columns: 1fr; }
}