/* ===== VaultCard — Black & Gold Theme ===== */
:root {
  --black:       #0d0d0d;
  --black-2:     #141414;
  --black-3:     #1c1c1c;
  --black-4:     #242424;
  --black-5:     #2e2e2e;
  --gold:        #D4AF37;
  --gold-light:  #E8C84A;
  --gold-pale:   #f5e9b8;
  --gold-dark:   #a8891f;
  --gold-muted:  rgba(212,175,55,0.15);
  --white:       #f7f3ec;
  --white-dim:   rgba(247,243,236,0.7);
  --white-muted: rgba(247,243,236,0.35);
  --white-faint: rgba(247,243,236,0.08);
  --border:      rgba(212,175,55,0.2);
  --border-dim:  rgba(247,243,236,0.08);
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --shadow-gold: 0 0 40px rgba(212,175,55,0.08);
  --shadow-card: 0 8px 40px rgba(0,0,0,0.6);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --transition:   0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(212,175,55,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(212,175,55,0.03) 0%, transparent 50%);
}

/* ===== NAVBAR ===== */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2.5rem;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand-icon { font-size: 1.1rem; opacity: 0.8; }
.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-link {
  color: var(--white-dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--white); background: var(--white-faint); }
.nav-link-gold {
  color: var(--gold);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
}
.nav-link-gold:hover { background: var(--gold-muted); color: var(--gold-light); }
.nav-link-muted { color: var(--white-muted); }
.nav-link-muted:hover { color: var(--white-dim); }

/* ===== FLASH MESSAGES ===== */
.flash-container { padding: 0.75rem 2.5rem 0; display: flex; flex-direction: column; gap: 0.5rem; }
.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  border: 1px solid transparent;
  max-width: 680px;
}
.flash-success { background: rgba(40,80,40,0.4); border-color: rgba(80,160,80,0.3); color: #8fcc8f; }
.flash-error   { background: rgba(80,30,30,0.4); border-color: rgba(160,60,60,0.3); color: #cc8f8f; }
.flash-info    { background: var(--gold-muted); border-color: var(--border); color: var(--gold); }
.flash-close   { background: none; border: none; color: inherit; cursor: pointer; font-size: 1.1rem; opacity: 0.6; padding: 0 0 0 1rem; }
.flash-close:hover { opacity: 1; }

/* ===== LAYOUT ===== */
.main-content { flex: 1; padding: 2.5rem; max-width: 1200px; margin: 0 auto; width: 100%; }
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--white-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border-dim);
  letter-spacing: 0.06em;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }
.text-gold { color: var(--gold); }
.text-muted { color: var(--white-muted); }
.text-dim { color: var(--white-dim); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-gold {
  background: var(--gold);
  color: var(--black);
  border-color: var(--gold);
  font-weight: 500;
}
.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(212,175,55,0.3); }
.btn-outline {
  background: transparent;
  color: var(--white-dim);
  border-color: var(--border-dim);
}
.btn-outline:hover { border-color: var(--border); color: var(--white); background: var(--white-faint); }
.btn-outline-gold {
  background: transparent;
  color: var(--gold);
  border-color: var(--border);
}
.btn-outline-gold:hover { background: var(--gold-muted); }
.btn-danger {
  background: transparent;
  color: #cc8f8f;
  border-color: rgba(160,60,60,0.3);
}
.btn-danger:hover { background: rgba(80,30,30,0.4); }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.8rem; }
.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }
.btn-full { width: 100%; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.4rem;
  opacity: 0.8;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--black-3);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  padding: 0.65rem 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--white-muted); }
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--gold-dark);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.08);
}
.form-textarea { resize: vertical; min-height: 90px; }
.form-select { cursor: pointer; }
.form-select option { background: var(--black-3); }

.form-hint { font-size: 0.75rem; color: var(--white-muted); margin-top: 0.3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* File upload */
.file-upload-zone {
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--black-3);
  position: relative;
}
.file-upload-zone:hover { border-color: var(--gold-dark); background: var(--black-4); }
.file-upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}
.file-upload-label { font-size: 0.85rem; color: var(--white-dim); pointer-events: none; }
.file-upload-icon { font-size: 1.5rem; margin-bottom: 0.4rem; opacity: 0.5; }
.file-preview { margin-top: 0.5rem; }
.file-preview img {
  max-height: 80px;
  max-width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

/* Color pickers */
.color-picker-group { display: flex; align-items: center; gap: 0.75rem; }
.color-picker-group input[type="color"] {
  width: 44px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  background: var(--black-3);
  cursor: pointer;
}
.color-picker-hex {
  flex: 1;
  font-family: monospace;
}

/* ===== CARDS ===== */
.card {
  background: var(--black-2);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: var(--border); box-shadow: var(--shadow-gold); }
.card-header { margin-bottom: 1.25rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-dim); }

/* ===== DIVIDER ===== */
.divider { border: none; border-top: 1px solid var(--border-dim); margin: 2rem 0; }
.divider-gold { border-top-color: var(--border); }

/* ===== PAGE HEADER ===== */
.page-header { margin-bottom: 2.5rem; }
.page-header h1 { margin-bottom: 0.5rem; }
.page-header p { color: var(--white-dim); font-size: 1rem; }

/* ===== GRID ===== */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; }

/* ===== BADGE ===== */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-gold { background: var(--gold-muted); color: var(--gold); border: 1px solid var(--border); }

/* ===== BUSINESS CARD PREVIEW ===== */
.bc-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 1.75 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.bc-preview:hover { transform: translateY(-3px); box-shadow: 0 16px 50px rgba(0,0,0,0.7); }
.bc-preview-bg {
  position: absolute;
  inset: 0;
  background: var(--primary, #1a1a1a);
  z-index: 0;
}
.bc-preview-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(0,0,0,0.5));
}
.bc-preview-logo {
  position: absolute;
  top: 1rem;
  right: 1rem;
  max-height: 40px;
  max-width: 80px;
  object-fit: contain;
  z-index: 2;
  filter: brightness(1.1);
}
.bc-preview-avatar {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid;
  z-index: 2;
}
.bc-preview-info { position: relative; z-index: 2; }
.bc-preview-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--white);
}
.bc-preview-title {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}
.bc-preview-company {
  font-size: 0.75rem;
  margin-top: 0.15rem;
  opacity: 0.8;
  color: var(--white);
}

/* ===== DASHBOARD CARD ITEM ===== */
.card-item { background: var(--black-2); border: 1px solid var(--border-dim); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition); }
.card-item:hover { border-color: var(--border); }
.card-item-actions { display: flex; gap: 0.5rem; padding: 0.875rem 1.1rem; border-top: 1px solid var(--border-dim); background: var(--black-3); }

/* ===== QR CODE SECTION ===== */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--black-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.qr-image {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-sm);
  display: block;
}
.qr-url {
  font-size: 0.75rem;
  color: var(--gold);
  font-family: monospace;
  word-break: break-all;
  text-align: center;
}

/* ===== PUBLIC CARD VIEW ===== */
.public-card-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.public-card {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.public-card-header {
  position: relative;
  padding: 2.5rem 2rem 1.5rem;
  text-align: center;
}
.public-card-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid;
  margin: 0 auto 1rem;
  display: block;
}
.public-card-initials {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  margin: 0 auto 1rem;
  border: 2px solid;
}
.public-card-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.2rem;
}
.public-card-title { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.15rem; }
.public-card-company { font-size: 0.9rem; color: var(--white-dim); }
.public-card-logo { max-height: 36px; max-width: 120px; object-fit: contain; display: block; margin: 0.75rem auto 0; }
.public-card-body { padding: 1rem 1.5rem 1.5rem; }
.public-card-bio { font-size: 0.875rem; color: var(--white-dim); text-align: center; margin-bottom: 1.25rem; line-height: 1.6; }
.public-card-links { display: flex; flex-direction: column; gap: 0.6rem; }
.card-link-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--white);
}
.card-link-btn:hover { background: rgba(255,255,255,0.1); transform: translateX(3px); }
.card-link-icon { font-size: 1rem; width: 1.2rem; text-align: center; }
.public-card-divider { border: none; border-top: 1px solid rgba(255,255,255,0.08); margin: 1.25rem 0; }
.public-card-actions { display: flex; gap: 0.6rem; }
.public-card-actions .btn { flex: 1; font-size: 0.8rem; }

/* ===== AUTH PAGES ===== */
.auth-wrap {
  min-height: calc(100vh - 4rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.auth-box {
  width: 100%;
  max-width: 440px;
  background: var(--black-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.auth-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-logo-mark {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
  display: block;
  letter-spacing: 0.06em;
}
.auth-logo-sub { font-size: 0.75rem; letter-spacing: 0.12em; color: var(--white-muted); text-transform: uppercase; }
.auth-footer { text-align: center; margin-top: 1.5rem; font-size: 0.85rem; color: var(--white-muted); }
.auth-footer a { color: var(--gold); text-decoration: none; }
.auth-footer a:hover { color: var(--gold-light); }

/* ===== LANDING PAGE ===== */
.landing-hero {
  text-align: center;
  padding: 5rem 1rem 4rem;
}
.landing-hero h1 { margin-bottom: 1rem; }
.landing-hero p { font-size: 1.1rem; color: var(--white-dim); margin-bottom: 2rem; max-width: 540px; margin-left: auto; margin-right: auto; }
.landing-hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.landing-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 4rem;
}
.feature-card {
  background: var(--black-2);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition);
}
.feature-card:hover { border-color: var(--border); }
.feature-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }
.feature-card h3 { color: var(--gold); margin-bottom: 0.5rem; font-size: 1rem; font-family: var(--font-body); font-weight: 500; }
.feature-card p { font-size: 0.875rem; color: var(--white-dim); }

/* ===== FORM SECTIONS ===== */
.form-section { margin-bottom: 2.5rem; }
.form-section-title {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-dim);
}
.form-layout { display: grid; grid-template-columns: 1fr 360px; gap: 2.5rem; align-items: start; }

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.w-full { width: 100%; }
.copy-url {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--black-4);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
  color: var(--gold);
  font-family: monospace;
  cursor: pointer;
  transition: all var(--transition);
}
.copy-url:hover { border-color: var(--border); background: var(--black-5); }
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--white-muted);
}
.empty-state h2 { color: var(--white-dim); margin-bottom: 0.75rem; font-size: 1.5rem; }
.empty-state p { margin-bottom: 1.5rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .main-content { padding: 1.25rem; }
  .navbar { padding: 1rem 1.25rem; }
  .form-row { grid-template-columns: 1fr; }
  .form-layout { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-link { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
}