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

:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-alt: #fafbfc;
  --surface-hover: #f0f1f4;
  --border: #e2e4ea;
  --border-light: #eef0f4;
  --text: #1a1d26;
  --text-secondary: #4a4f5c;
  --text-muted: #8b90a0;
  --accent: #1e6b8a;
  --accent-light: #e8f2f6;
  --accent-hover: #155a75;
  --danger: #b91c1c;
  --danger-light: #fef2f2;
  --success: #166534;
  --success-light: #f0fdf4;
  --warning: #92400e;
  --warning-light: #fef3c7;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  --max-width: 560px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "SF Mono", SFMono-Regular, ui-monospace, Menlo, monospace;
  --cat-identity: #6366f1;
  --cat-financial: #0891b2;
  --cat-contacts: #2563eb;
  --cat-medical: #dc2626;
  --cat-digital: #7c3aed;
  --cat-other: #94a3b8;
}

html, body {
  height: 100%;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-light);
}

header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

header h1 span { color: var(--accent); }

header p {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 0.15rem;
  letter-spacing: 0.02em;
}

.hidden { display: none !important; }
.view { flex: 1; }

/* ── Typography ── */

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

h3 {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

/* ── Inputs ── */

input, textarea, select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  font-family: var(--font);
  margin-bottom: 0.625rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(30, 107, 138, 0.1);
}

input::placeholder, textarea::placeholder { color: var(--text-muted); }

textarea { resize: vertical; min-height: 3rem; }

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b90a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

/* ── Buttons ── */

button {
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  transition: all 0.15s;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
}

.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary {
  background: var(--surface);
  border: 1.5px solid var(--border);
  color: var(--text-secondary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--surface-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 0.35rem 0.55rem;
  font-size: 0.75rem;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text-secondary);
}

.btn-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.btn-row button { flex: 1; }

.btn-icon {
  background: transparent;
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 0.2rem 0.35rem;
  line-height: 1;
}

.btn-icon:hover { color: var(--danger); }

/* ── Messages ── */

#error-message {
  background: var(--danger-light);
  border: 1px solid #fecaca;
  color: var(--danger);
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

#status-message {
  background: var(--success-light);
  border: 1px solid #bbf7d0;
  color: var(--success);
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.warning-box {
  background: var(--warning-light);
  border: 1px solid #fcd34d;
  color: var(--warning);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.warning-box strong { display: block; margin-bottom: 0.1rem; }

.hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin: -0.25rem 0 0.75rem;
  line-height: 1.45;
}

.link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.8rem;
}

.link:hover { text-decoration: underline; }

.auth-footer { text-align: center; margin-top: 1.25rem; }

.password-strength {
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  min-height: 1em;
}

/* ── Vault toolbar ── */

.vault-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.vault-toolbar h2 { margin-bottom: 0; }

.vault-actions {
  display: flex;
  gap: 0.2rem;
  align-items: center;
}

/* ── Search ── */

.search-bar {
  position: relative;
  margin-bottom: 0.875rem;
}

.search-bar input {
  padding-left: 2.25rem;
  margin-bottom: 0;
  background: var(--surface);
  border-color: var(--border-light);
  font-size: 0.8rem;
}

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

.search-bar::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 13px;
  height: 13px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%238b90a0' stroke-width='2.5'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  pointer-events: none;
}

/* ── Entry cards ── */

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 0.75rem;
}

.entry-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.875rem 1rem 0.75rem 1.125rem;
  position: relative;
  box-shadow: var(--shadow);
}

.entry-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.625rem;
  bottom: 0.625rem;
  width: 3px;
  border-radius: 3px;
  background: var(--cat-other);
}

.entry-card[data-cat="identity"]::before { background: var(--cat-identity); }
.entry-card[data-cat="financial"]::before { background: var(--cat-financial); }
.entry-card[data-cat="contacts"]::before { background: var(--cat-contacts); }
.entry-card[data-cat="medical"]::before { background: var(--cat-medical); }
.entry-card[data-cat="digital"]::before { background: var(--cat-digital); }

.entry-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.entry-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.entry-card-meta {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.entry-card-tag {
  font-size: 0.6rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg);
  padding: 0.125rem 0.4rem;
  border-radius: 2rem;
}

.entry-card-fields {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.entry-field {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.2rem 0;
  gap: 1rem;
}

.entry-field-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.entry-field-value {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text);
  text-align: right;
  word-break: break-all;
  user-select: all;
}

.field-masked {
  color: var(--text-muted);
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  user-select: none;
}

.entry-notes {
  font-size: 0.775rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px dashed var(--border-light);
  white-space: pre-wrap;
  word-break: break-word;
}

.entry-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.15rem;
  margin-top: 0.4rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--border-light);
}

/* ── Empty state ── */

.empty-vault {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-vault p {
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* ── Add entry button ── */

.btn-add-entry {
  width: 100%;
  padding: 0.65rem;
  background: var(--surface);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

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

/* ── Edit entry form ── */

.edit-entry-form {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.fields-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.field-row {
  display: flex;
  gap: 0.3rem;
  align-items: center;
}

.field-row input {
  margin-bottom: 0;
  flex: 1;
}

.field-row input:first-child { flex: 0.55; }

.field-row .btn-icon { flex-shrink: 0; }

/* ── Onboarding ── */

.onboarding {
  max-width: 400px;
  margin: 0 auto;
}

.onboarding-progress {
  height: 3px;
  background: var(--border-light);
  border-radius: 3px;
  margin-bottom: 2rem;
  overflow: hidden;
}

.onboarding-progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.4s ease;
  width: 0%;
}

.ob-step {
  animation: ob-fade-in 0.3s ease;
}

@keyframes ob-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.ob-step-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.ob-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0.75rem;
}

.ob-subdesc {
  color: var(--text-muted);
  font-size: 0.775rem;
  margin-bottom: 1.5rem;
}

.ob-nav {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.ob-rules {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.ob-rule {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
}

.ob-rule.pass {
  color: var(--success);
}

.ob-rule-icon {
  font-size: 0.7rem;
  width: 1rem;
  text-align: center;
}

.ob-templates {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.ob-template {
  padding: 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
}

.ob-template:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.ob-template.selected {
  border-color: var(--accent);
  background: var(--accent-light);
}

.ob-template-title {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.ob-template-desc {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.input-wrap {
  position: relative;
}

.input-wrap input {
  padding-right: 3rem;
}

.btn-toggle-pw {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.7rem;
  padding: 0.2rem 0.35rem;
  cursor: pointer;
  font-family: var(--font);
}

.btn-toggle-pw:hover {
  color: var(--text-secondary);
}

/* ── Onboarding explainer ── */

.ob-explainer {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.ob-explainer-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  text-align: center;
}

.ob-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 1.25rem;
  padding: 0.75rem 0;
}

.ob-diagram-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}

.ob-diagram-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
  border: 2px solid var(--accent);
}

.ob-diagram-icon-server {
  background: var(--surface-alt);
  color: var(--text-muted);
  border-color: var(--border);
}

.ob-diagram-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-align: center;
}

.ob-diagram-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  flex: 1;
  max-width: 120px;
  min-width: 60px;
}

.ob-diagram-arrow-line {
  display: block;
  width: 100%;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0,
    var(--accent) 6px,
    transparent 6px,
    transparent 10px
  );
}

.ob-diagram-arrow-tag {
  font-size: 0.55rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ob-explain-cards {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.25rem;
}

.ob-explain-card {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.ob-explain-num {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--bg);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.ob-explain-head {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.1rem;
}

.ob-explain-body {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.ob-what-we-see {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.625rem;
}

.ob-see-col {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.ob-see-label {
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.ob-see-box {
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.625rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-family: var(--font-mono);
}

.ob-see-clear {
  background: var(--success-light);
  border: 1px solid #bbf7d0;
  color: var(--success);
}

.ob-see-scrambled {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ── Responsive ── */

@media (max-width: 480px) {
  .container { padding: 1.25rem 0.875rem 4rem; }

  header h1 { font-size: 1.3rem; }

  .btn-primary { padding: 0.875rem; font-size: 0.9rem; }

  input, textarea, select {
    font-size: 1rem;
    padding: 0.7rem 0.75rem;
  }

  .field-row { flex-wrap: wrap; }

  .field-row input {
    min-width: calc(50% - 0.5rem);
    flex: 1 1 auto !important;
  }

  .vault-actions { gap: 0.1rem; }
}