/* ============================================================
   BC Link — App Styles
   Welcome page, signup, login, dashboard
   Premium business professional design
   ============================================================ */

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

:root {
  --primary: #050A30;
  --primary-light: #1a2050;
  --accent: #A4863D;
  --accent-light: #C9A84C;
  --accent-8: color-mix(in srgb, #A4863D 10%, transparent);
  --text: #3E160C;
  --text-dim: color-mix(in srgb, #3E160C 55%, transparent);
  --text-soft: color-mix(in srgb, #3E160C 38%, transparent);
  --divider: #b8a690;
  --bg: #FAF8F5;
  --card: #FFFFFF;
  --surface: #F9F9FB;
  --danger: #dc2626;
  --success: #16a34a;
  --green: #34C759;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 4px 24px rgba(62, 22, 12, 0.06);
  --shadow-lg: 0 12px 48px rgba(62, 22, 12, 0.12);
  --transition: 0.25s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px color-mix(in srgb, var(--primary) 30%, transparent);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}

.btn-accent:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 20px color-mix(in srgb, var(--accent) 30%, transparent);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--divider);
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-8);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ============================================================
   Welcome Page
   ============================================================ */

.welcome-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: linear-gradient(135deg, #FAF8F5 0%, #F0EBE3 100%);
}

.welcome-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 440px;
  width: 100%;
  padding: 48px 40px;
  text-align: center;
  animation: cardIn 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.welcome-logo {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--accent-light);
}

.welcome-card h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.welcome-card .subtitle {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 36px;
  line-height: 1.5;
}

.welcome-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.welcome-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.welcome-divider::before,
.welcome-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--divider);
}

.welcome-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
  margin-bottom: 28px;
}

.welcome-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.welcome-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-8);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.welcome-footer {
  font-size: 0.82rem;
  color: var(--text-soft);
}

.welcome-footer a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.welcome-footer a:hover {
  text-decoration: underline;
}

/* ============================================================
   Auth Pages — Split-screen layout (signup, login)
   ============================================================ */

.auth-page {
  min-height: 100vh;
  background: var(--bg);
}

.auth-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

/* --- Left: Brand panel --- */

.auth-brand {
  background: linear-gradient(160deg, var(--primary) 0%, #0a1240 50%, #0d1648 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px 56px;
  position: relative;
  overflow: hidden;
}

.auth-brand::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.auth-brand::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.auth-brand-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 40px;
}

.auth-brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.auth-brand-logo svg {
  flex-shrink: 0;
}

.auth-brand-content h2 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.auth-brand-content > p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 40px;
  line-height: 1.5;
}

.auth-brand-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-brand-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
}

.auth-brand-features li svg {
  color: var(--accent-light);
  flex-shrink: 0;
}

.auth-brand-footer {
  position: relative;
  z-index: 1;
}

.auth-brand-footer a {
  font-size: 0.88rem;
  color: var(--accent-light);
  text-decoration: none;
  font-weight: 500;
  transition: opacity var(--transition);
}

.auth-brand-footer a:hover {
  opacity: 0.8;
}

/* --- Right: Form panel --- */

.auth-form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow-y: auto;
}

.auth-form-inner {
  width: 100%;
  max-width: 440px;
  animation: cardIn 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-soft);
  text-decoration: none;
  margin-bottom: 32px;
  transition: color var(--transition);
}

.auth-back:hover {
  color: var(--accent);
}

.auth-form-header {
  margin-bottom: 36px;
}

.auth-form-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.auth-form-header p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* --- Field groups with numbered labels --- */

.field-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field-group-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2px;
}

.field-group-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* --- Fields --- */

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 4px;
}

.field .req {
  color: var(--accent);
  font-size: 0.8rem;
}

.field-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* --- Input with icon --- */

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  color: #b8a896;
  pointer-events: none;
  transition: color var(--transition);
  z-index: 1;
}

.form-input {
  width: 100%;
  padding: 13px 16px 13px 44px;
  border: 1.5px solid #e2d9cc;
  border-radius: 10px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-8);
}

.form-input:focus + .input-icon,
.input-wrap:focus-within .input-icon {
  color: var(--accent);
}

.form-input::placeholder {
  color: #c4b8a8;
}

.form-textarea {
  padding: 13px 16px;
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

/* --- Error/success messages --- */

.error-msg {
  background: color-mix(in srgb, var(--danger) 8%, transparent);
  color: var(--danger);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-top: 20px;
  border: 1px solid color-mix(in srgb, var(--danger) 20%, transparent);
  display: flex;
  align-items: center;
  gap: 10px;
}

.success-msg {
  background: color-mix(in srgb, var(--success) 8%, transparent);
  color: var(--success);
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.85rem;
  margin-top: 20px;
  border: 1px solid color-mix(in srgb, var(--success) 20%, transparent);
}

.auth-footer {
  text-align: center;
  margin-top: 32px;
  font-size: 0.88rem;
  color: var(--text-soft);
}

.auth-footer a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* --- Responsive: stack vertically on mobile --- */

@media (max-width: 860px) {
  .auth-split {
    grid-template-columns: 1fr;
  }

  .auth-brand {
    padding: 32px 28px;
    min-height: auto;
  }

  .auth-brand-content {
    margin-top: 0;
  }

  .auth-brand-content h2 {
    font-size: 1.5rem;
  }

  .auth-brand-features {
    display: none;
  }

  .auth-brand-footer {
    display: none;
  }

  .auth-form-panel {
    padding: 32px 24px;
  }
}

@media (max-width: 520px) {
  .field-pair {
    grid-template-columns: 1fr;
  }

  .auth-form-header h1 {
    font-size: 1.4rem;
  }

  .auth-brand {
    padding: 24px 20px;
  }

  .auth-brand-content h2 {
    font-size: 1.25rem;
  }

  .auth-brand-content > p {
    font-size: 0.88rem;
    margin-bottom: 0;
  }
}

/* ============================================================
   Dashboard
   ============================================================ */

.dashboard-page {
  background: var(--bg);
}

.dashboard-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 32px;
  background: var(--card);
  border-bottom: 1px solid #e8e0d4;
  position: sticky;
  top: 0;
  z-index: 100;
}

.dashboard-nav .nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.dashboard-nav .nav-brand .logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
}

.dashboard-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dashboard-nav .nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 50px;
  transition: var(--transition);
}

.dashboard-nav .nav-links a:hover {
  background: var(--accent-8);
  color: var(--accent);
}

.dashboard {
  display: grid;
  grid-template-columns: 220px 1fr;
  max-width: 960px;
  margin: 32px auto;
  gap: 24px;
  padding: 0 32px;
}

.dashboard-sidebar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: 12px;
  box-shadow: var(--shadow);
  height: fit-content;
  position: sticky;
  top: 80px;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: none;
  background: transparent;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-dim);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.tab-btn:hover {
  background: var(--surface);
  color: var(--text);
}

.tab-btn.active {
  background: var(--primary);
  color: #fff;
}

.dashboard-main {
  background: var(--card);
  border-radius: var(--radius-sm);
  padding: 32px;
  box-shadow: var(--shadow);
  min-height: 500px;
  display: flex;
  flex-direction: column;
}

.dashboard-main h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.tab-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.hint {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-top: 4px;
  display: block;
}

/* Hide global save-bar when Security tab is active */
#tab-security.active ~ .save-bar {
  display: none;
}

.tab-content {
  display: none;
  flex: 1;
}

.tab-content.active {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-full {
  grid-column: 1 / -1;
}

.slug-input-group {
  display: flex;
  align-items: center;
  border: 1.5px solid #e0d8cc;
  border-radius: var(--radius-xs);
  overflow: hidden;
  transition: var(--transition);
}

.slug-input-group:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-8);
}

.slug-prefix {
  padding: 13px 14px;
  background: #f0ebe3;
  font-size: 0.92rem;
  color: var(--text-soft);
  border-right: 1.5px solid #e0d8cc;
  font-weight: 500;
}

.slug-input-group input {
  border: none;
  border-radius: 0;
  flex: 1;
  background: var(--surface);
}

.slug-input-group input:focus {
  box-shadow: none;
}

/* Save bar */
.save-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  margin-top: auto;
  border-top: 1px solid #e8e0d4;
}

.save-status {
  font-size: 0.85rem;
  color: var(--text-soft);
}

.save-status.saved {
  color: var(--success);
}

.save-status.error {
  color: var(--danger);
}

/* ============================================================
   NFC / QR Tab
   ============================================================ */

.nfc-section {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.nfc-url-box label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.url-display {
  display: flex;
  gap: 8px;
}

.url-display input {
  flex: 1;
  padding: 12px 14px;
  border: 1.5px solid #e0d8cc;
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
  font-family: 'Courier New', monospace;
  color: var(--text);
  background: var(--surface);
}

.qr-section {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

#qr-download {
  margin-bottom: 10px;
}

.qr-code {
  display: flex;
  justify-content: center;
}

.qr-code img,
.qr-code canvas {
  border: 1px solid #e0d8cc;
  border-radius: var(--radius-xs);
}

.qr-hint {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.nfc-instructions {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.nfc-instructions h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.nfc-instructions ol {
  padding-left: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.8;
}

.nfc-instructions ul {
  padding-left: 20px;
}

.nfc-instructions li {
  margin-bottom: 8px;
}

/* ============================================================
   Field hints & tooltips
   ============================================================ */

.field-hint {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-soft);
  line-height: 1.5;
  margin-top: 6px;
  flex-wrap: wrap;
}

.hint-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.tooltip-trigger {
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  position: relative;
}

.tooltip-box {
  display: none;
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  width: 340px;
  max-width: calc(100vw - 48px);
  background: var(--card);
  border: 1.5px solid var(--divider);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.6;
}

.tooltip-box strong {
  display: block;
  margin-bottom: 10px;
  font-size: 0.88rem;
}

.tooltip-box ol {
  padding-left: 18px;
  margin-bottom: 10px;
}

.tooltip-box li {
  margin-bottom: 6px;
}

.tooltip-box code {
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--accent);
  word-break: break-all;
}

.tooltip-box a {
  color: var(--accent);
  font-weight: 600;
}

.tooltip-note {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #e8e0d4;
}

.tooltip-trigger:hover + .tooltip-box,
.tooltip-trigger:focus + .tooltip-box {
  display: block;
}

/* ============================================================
   Dynamic social media fields
   ============================================================ */

.social-field-row {
  display: grid;
  grid-template-columns: 160px 1fr 36px;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.social-field-row .field {
  margin: 0;
}

.social-field-row .form-input {
  padding: 11px 14px;
  font-size: 0.88rem;
}

.social-field-row select.form-input {
  padding-left: 14px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23b8a896' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.btn-remove-social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-soft);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: var(--transition);
  margin-top: 26px;
}

.btn-remove-social:hover {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  color: var(--danger);
}

.btn-add-social {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: transparent;
  color: var(--accent);
  border: 1.5px dashed var(--divider);
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 4px;
}

.btn-add-social:hover {
  border-color: var(--accent);
  background: var(--accent-8);
}

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

@media (max-width: 900px) {
  .dashboard {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }

  .dashboard-sidebar {
    flex-direction: row;
    overflow-x: auto;
    position: relative;
    top: 0;
  }

  .tab-btn {
    white-space: nowrap;
  }

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

  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .welcome-card {
    padding: 32px 24px;
  }

  .auth-card {
    padding: 28px 24px;
  }

  .dashboard-main {
    padding: 20px;
  }

  .dashboard-nav {
    padding: 12px 16px;
  }
}