/* ============================================================
   VAULT — Base Stylesheet
   Colors are CSS variables — overridden by /branding/theme.css
   ============================================================ */

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

/* Default color tokens (overridden by branding/theme.css) */
:root {
  --accent:        #3a7bd5;
  --accent-2:      #22d3a8;
  --accent-glow:   rgba(58, 123, 213, 0.20);
  --border-focus:  #3a7bd5;
  --grid-color:    rgba(58, 123, 213, 0.04);
  --bg:            #0a0b0e;
  --bg-card:       #0f1115;
  --bg-input:      #13161c;
  --bg-hover:      #1a1e27;
  --border:        #1e2330;
  --text:          #e8eaf0;
  --text-2:        #8b91a6;
  --text-3:        #4e5568;
  --warn:          #f59e0b;
  --warn-bg:       rgba(245, 158, 11, 0.08);
  --warn-border:   rgba(245, 158, 11, 0.25);
  --danger:        #ef4444;
  --success:       #22d3a8;
  --radius:        8px;
  --radius-lg:     12px;
  --font-mono:     'Consolas', 'Cascadia Code', 'Fira Code', 'Courier New', monospace;
  --font-body:     -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --transition:    0.18s ease;
  --shadow:        0 1px 3px rgba(0,0,0,0.5), 0 4px 16px rgba(0,0,0,0.3);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ── Background ─────────────────────────────────────────────── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 48px 48px;
}

.bg-glow {
  position: fixed; top: -20vh; left: 50%; transform: translateX(-50%);
  width: 80vw; height: 60vh; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
}

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: relative; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.15rem 2rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(12px);
}

.header-logo-area {
  display: flex;
  align-items: center;
}

/* ── Logo: vault mode ───────────────────────────────────────── */
.logo {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--text); flex-shrink: 0;
}

.logo-icon {
  font-size: 1.3rem; color: var(--accent); line-height: 1;
}

.logo-text {
  font-family: var(--font-mono); font-weight: 500;
  font-size: 0.95rem; letter-spacing: 0.2em;
}

/* ── Logo: vault-by-sdata mode ──────────────────────────────── */
.logo-vault-stack {
  display: flex; flex-direction: column; gap: 0;
}

.logo-byline {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-top: -2px;
  text-transform: lowercase;
}

/* ── Logo: custom mode (Vault + customer logo) ──────────────── */
.logo-custom-wrap {
  display: flex; align-items: center; gap: 0.75rem;
}

.logo-divider {
  display: block; width: 1px; height: 22px;
  background: var(--border); flex-shrink: 0;
}

/* ── Logo: customer image (shared by custom + custom-only) ──── */
.customer-logo-img {
  max-height: 32px;
  max-width: 140px;
  width: auto;
  object-fit: contain;
  display: block;
}

.logo-custom-only {
  display: flex; align-items: center;
}

/* ── Nav tagline ─────────────────────────────────────────────── */
.nav-tagline {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--text-3); letter-spacing: 0.1em;
}

/* ── Layout ──────────────────────────────────────────────────── */
.main-content {
  position: relative; z-index: 1; flex: 1;
  max-width: 640px; width: 100%;
  margin: 0 auto; padding: 3rem 1.5rem 4rem;
}

.site-footer {
  position: relative; z-index: 1; text-align: center;
  padding: 1.5rem 2rem; border-top: 1px solid var(--border);
  font-size: 0.75rem; color: var(--text-3); font-family: var(--font-mono);
}
.site-footer a { color: var(--text-3); text-decoration: none; }
.site-footer a:hover { color: var(--text-2); }

/* ── Views ───────────────────────────────────────────────────── */
.view { width: 100%; }
.hidden { display: none !important; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero { margin-bottom: 2.5rem; }

.hero-title {
  font-family: var(--font-body); font-weight: 300;
  font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15;
  color: var(--text); margin-bottom: 1rem;
}
.hero-title em { font-style: normal; color: var(--accent); font-weight: 500; }
.hero-sub { font-size: 0.9rem; color: var(--text-2); max-width: 42ch; line-height: 1.7; }
.view-secret-title { font-size: clamp(1.5rem, 4vw, 2.2rem); }

/* ── Card ────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow);
  overflow: hidden; animation: fadeInUp 0.3s ease both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-body { padding: 2rem; }
.card-body.center { text-align: center; padding: 3rem 2rem; }

/* ── Form ────────────────────────────────────────────────────── */
.field-group { margin-bottom: 1.5rem; }
.field-group.half { flex: 1; min-width: 0; }
.options-row { display: flex; gap: 1rem; }

.field-label {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; font-family: var(--font-mono);
  color: var(--text-2); letter-spacing: 0.05em;
  margin-bottom: 0.5rem; text-transform: uppercase;
}
.field-badge {
  font-size: 0.65rem; padding: 0.1em 0.5em;
  background: rgba(34, 211, 168, 0.1); color: var(--accent-2);
  border: 1px solid rgba(34, 211, 168, 0.2); border-radius: 3px;
  font-family: var(--font-mono);
}

.secret-textarea, .text-input, .select-input {
  width: 100%; background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-family: var(--font-mono); font-size: 0.875rem;
  padding: 0.75rem 1rem; outline: none; appearance: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.secret-textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.select-input {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238b91a6' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2.5rem;
}
.secret-textarea:focus, .text-input:focus, .select-input:focus {
  border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-glow);
}
.secret-textarea::placeholder, .text-input::placeholder { color: var(--text-3); }
.char-counter { text-align: right; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); margin-top: 0.35rem; }
.field-hint { font-size: 0.78rem; margin-top: 0.4rem; color: var(--text-2); }
.field-hint.warn { color: var(--danger); }

/* ── Toggle ──────────────────────────────────────────────────── */
.toggle-btn {
  display: flex; align-items: center; gap: 0.5rem;
  background: none; border: 1px solid var(--border); color: var(--text-2);
  font-family: var(--font-mono); font-size: 0.8rem;
  padding: 0.5rem 0.75rem; border-radius: var(--radius); cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.toggle-btn:hover { border-color: var(--accent); color: var(--text); }
.toggle-icon { font-size: 1rem; transition: transform var(--transition); }
.toggle-btn[aria-expanded="true"] .toggle-icon { transform: rotate(45deg); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  width: 100%; padding: 0.875rem 1.5rem;
  background: var(--accent); color: #fff;
  font-family: var(--font-body); font-weight: 500; font-size: 0.95rem;
  border: none; border-radius: var(--radius); cursor: pointer;
  transition: filter var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { filter: brightness(1.12); transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 1.2rem; background: transparent; color: var(--text-2);
  font-family: var(--font-body); font-size: 0.875rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  cursor: pointer; text-decoration: none; margin-top: 1rem;
  transition: color var(--transition), border-color var(--transition);
}
.btn-secondary:hover { color: var(--text); border-color: var(--text-3); }

/* ── Result view ─────────────────────────────────────────────── */
.result-header { text-align: center; margin-bottom: 2rem; }
.result-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  background: rgba(34,211,168,0.1); border: 1px solid rgba(34,211,168,0.3);
  border-radius: 50%; font-size: 1.5rem; color: var(--accent-2); margin-bottom: 1rem;
}
.result-title { font-weight: 500; font-size: 1.4rem; }
.result-sub { color: var(--text-2); font-size: 0.875rem; margin-top: 0.35rem; }

/* ── Link display ────────────────────────────────────────────── */
.link-display {
  display: flex; align-items: center; gap: 0.75rem;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 1rem; margin-bottom: 1.25rem; overflow: hidden;
}
.link-url {
  flex: 1; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-2);
  word-break: break-all; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
}

/* ── Copy button ─────────────────────────────────────────────── */
.copy-btn {
  flex-shrink: 0; background: var(--bg-hover); border: 1px solid var(--border);
  color: var(--text-2); width: 32px; height: 32px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.copy-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.copy-btn.copied { background: var(--accent-2); border-color: var(--accent-2); color: var(--bg); }

/* ── Meta strip ──────────────────────────────────────────────── */
.meta-strip {
  display: flex; gap: 1.5rem; padding: 0.875rem 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 1.25rem;
}
.meta-item { display: flex; flex-direction: column; gap: 0.15rem; }
.meta-label { font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); }
.meta-value { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text); font-weight: 500; }

/* ── Warning boxes ───────────────────────────────────────────── */
.warning-box {
  display: flex; align-items: flex-start; gap: 0.6rem;
  padding: 0.75rem 1rem; border-radius: var(--radius);
  background: var(--warn-bg); border: 1px solid var(--warn-border);
  font-size: 0.82rem; color: var(--warn); margin-bottom: 1rem; line-height: 1.5;
}
.warning-box.warning-important {
  background: rgba(239,68,68,0.06); border-color: rgba(239,68,68,0.2); color: #f87171;
}
.warning-icon { flex-shrink: 0; margin-top: 0.1em; }

/* ── Trust row ───────────────────────────────────────────────── */
.trust-row { display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 0.4rem; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }

/* ── View secret states ──────────────────────────────────────── */
.gate-icon { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; }
.gate-title { font-weight: 500; font-size: 1.2rem; margin-bottom: 0.35rem; }
.gate-sub { font-size: 0.875rem; color: var(--text-2); margin-bottom: 1.25rem; }

.revealed-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.75rem; }
.revealed-tag {
  font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent-2); padding: 0.2em 0.6em;
  background: rgba(34,211,168,0.08); border: 1px solid rgba(34,211,168,0.2); border-radius: 4px;
}
.secret-display {
  background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; font-family: var(--font-mono); font-size: 0.875rem;
  color: var(--accent-2); white-space: pre-wrap; word-break: break-word;
  line-height: 1.7; max-height: 400px; overflow-y: auto; margin-bottom: 1rem; user-select: all;
}
.views-info { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-3); text-align: right; }

.destroyed-icon { font-size: 3rem; color: var(--text-3); margin-bottom: 0.75rem; display: block; }
.destroyed-title { font-size: 1.25rem; font-weight: 500; }
.destroyed-sub { color: var(--text-2); font-size: 0.875rem; margin-top: 0.5rem; max-width: 36ch; margin-inline: auto; }

/* ── Spinner ─────────────────────────────────────────────────── */
.spinner {
  width: 36px; height: 36px; border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite; margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { color: var(--text-2); font-family: var(--font-mono); font-size: 0.8rem; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 580px) {
  .site-header { padding: 1rem 1.25rem; }
  .main-content { padding: 2rem 1rem 3rem; }
  .card-body { padding: 1.5rem; }
  .options-row { flex-direction: column; }
  .hero-title { font-size: 1.8rem; }
  .nav-tagline { display: none; }
  .meta-strip { gap: 1rem; }
}