/* css/core/global.css
   Design tokens, reset, typography, shared utilities */

/* ── TOKENS ─────────────────────────────────────────────────────────────── */
:root {
  --bg:         #080608;
  --surface:    #100e12;
  --surface2:   #18151c;
  --surface3:   #201c26;
  --border:     #2a2230;
  --border2:    #3a3248;
  --accent:     #c97aff;
  --accent2:    #ff6eb4;
  --accent3:    #f0c060;
  --text:       #e8e0f0;
  --text2:      #b0a8c0;
  --muted:      #7a6e88;
  --danger:     #ff4d6d;
  --success:    #4cff91;
  --warning:    #f0c060;
  --glow:       rgba(201,122,255,0.18);
  --radius-sm:  8px;
  --radius:     12px;
  --radius-lg:  18px;
  --font-mono:  'DM Mono', monospace;
  --font-serif: 'Cormorant Garamond', serif;
  --font-disp:  'Unbounded', sans-serif;
  --sidebar-w:  280px;
  --nav-h:      64px;
  --transition: 0.22s ease;
}

/* ── RESET ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
a { color: inherit; }
input, textarea, select { font-family: inherit; }

/* ── NOISE OVERLAY ───────────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.35;
}

/* ── TYPOGRAPHY ──────────────────────────────────────────────────────────── */
.font-serif { font-family: var(--font-serif); }
.font-mono  { font-family: var(--font-mono);  }
.font-disp  { font-family: var(--font-disp);  }

.label {
  font-size: 0.62rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted);
}
.label--accent { color: var(--accent); }

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.8rem;
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  border: none; border-radius: var(--radius-sm);
  text-decoration: none; transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: 0.4; pointer-events: none; }

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.btn--primary:hover { opacity: 0.85; transform: translateY(-1px); box-shadow: 0 8px 32px var(--glow); }

.btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { opacity: 0.85; }

.btn--sm { padding: 0.5rem 1rem; font-size: 0.65rem; }
.btn--full { width: 100%; }
.btn--icon { padding: 0.5rem; border-radius: var(--radius-sm); }

/* ── FORM ELEMENTS ───────────────────────────────────────────────────────── */
.field-group { margin-bottom: 1.2rem; }

.field-label {
  display: block; font-size: 0.62rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem;
}
.field-label .req { color: var(--danger); }

.field-input,
.field-textarea,
.field-select {
  width: 100%;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); padding: 0.85rem 1rem;
  font-family: var(--font-mono); font-size: 0.78rem;
  border-radius: var(--radius-sm); outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}
.field-input:focus, .field-textarea:focus, .field-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201,122,255,0.1);
}
.field-input::placeholder, .field-textarea::placeholder { color: var(--muted); }
.field-input.field--error { border-color: var(--danger); }

.field-textarea { resize: vertical; min-height: 90px; }
.field-select option { background: var(--surface2); }

.form-error {
  font-size: 0.62rem; color: var(--danger);
  margin-top: 0.4rem; display: none;
}
.form-error.show { display: block; }

.form-check { display: flex; align-items: flex-start; gap: 0.7rem; }
.form-check input[type="checkbox"] {
  width: 16px; height: 16px; min-width: 16px;
  accent-color: var(--accent); margin-top: 2px;
}
.form-check label { font-size: 0.65rem; line-height: 1.7; color: var(--muted); }
.form-check label a { color: var(--accent); text-decoration: none; }
.form-check label a:hover { text-decoration: underline; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 500px) { .form-row { grid-template-columns: 1fr; } }

/* ── MODAL ───────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.85); backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--surface); border: 1px solid var(--border);
  width: 100%; max-width: 480px; padding: 3rem 2.5rem;
  position: relative; border-radius: var(--radius);
  transform: translateY(20px); transition: transform 0.3s;
  max-height: 90vh; overflow-y: auto;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal--wide { max-width: 640px; }

.modal__close {
  position: absolute; top: 1.2rem; right: 1.2rem;
  background: none; border: none; color: var(--muted);
  font-size: 1.2rem; line-height: 1; transition: color var(--transition);
}
.modal__close:hover { color: var(--text); }

.modal__title {
  font-family: var(--font-serif); font-size: 2rem; font-weight: 300;
  margin-bottom: 0.4rem;
}
.modal__sub { font-size: 0.68rem; color: var(--muted); margin-bottom: 2rem; line-height: 1.6; }

/* ── TOAST ───────────────────────────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 9000;
  display: flex; flex-direction: column; gap: 0.6rem;
  pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.85rem 1.2rem;
  background: var(--surface2); border: 1px solid var(--border2);
  border-radius: var(--radius); font-size: 0.72rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  opacity: 0; transform: translateX(20px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: auto; max-width: 340px;
}
.toast--in  { opacity: 1; transform: translateX(0); }
.toast--out { opacity: 0; transform: translateX(20px); }
.toast--success { border-color: var(--success); }
.toast--error   { border-color: var(--danger); }
.toast--warning { border-color: var(--warning); }
.toast__icon { font-size: 1rem; }
.toast--success .toast__icon { color: var(--success); }
.toast--error   .toast__icon { color: var(--danger);  }
.toast--warning .toast__icon { color: var(--warning); }

/* ── DIVIDERS ────────────────────────────────────────────────────────────── */
.divider {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.divider-or {
  display: flex; align-items: center; gap: 1rem;
  font-size: 0.62rem; color: var(--muted); letter-spacing: 0.1em;
}
.divider-or::before, .divider-or::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── BADGES ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 0.2rem 0.6rem;
  font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: 100px; border: 1px solid var(--border);
  color: var(--muted);
}
.badge--accent  { border-color: var(--accent);  color: var(--accent);  }
.badge--danger  { border-color: var(--danger);  color: var(--danger);  }
.badge--success { border-color: var(--success); color: var(--success); }

/* ── SCROLLBAR ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── ANIMATIONS ──────────────────────────────────────────────────────────── */
@keyframes fadeUp   { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }
@keyframes pulse    { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.7)} }
@keyframes spin     { to{transform:rotate(360deg)} }
@keyframes shimmer  { from{transform:translateX(-100%)} to{transform:translateX(100%)} }
@keyframes blink    { 0%,100%{opacity:1} 50%{opacity:0} }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── UTILITIES ───────────────────────────────────────────────────────────── */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-muted   { color: var(--muted); }
.text-accent  { color: var(--accent); }
.text-danger  { color: var(--danger); }
.text-success { color: var(--success); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: 0.5rem; }

/* ── STRENGTH BAR ────────────────────────────────────────────────────────── */
.strength-bar { height: 3px; background: var(--border); border-radius: 2px; margin-top: 0.5rem; overflow: hidden; }
.strength-fill { height: 100%; width: 0; border-radius: 2px; transition: width 0.3s, background 0.3s; }
.strength-hint { font-size: 0.6rem; color: var(--muted); margin-top: 0.3rem; }

/* ── LOADING SKELETON ────────────────────────────────────────────────────── */
.skeleton {
  background: var(--surface2);
  border-radius: var(--radius-sm);
  position: relative; overflow: hidden;
}
.skeleton::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
  animation: shimmer 1.5s infinite;
}

/* ── NAV ─────────────────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  background: rgba(8,6,8,0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav__logo {
  font-family: var(--font-disp); font-size: 1rem; font-weight: 400;
  letter-spacing: 0.15em; text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav__links { display: flex; gap: 2rem; align-items: center; }
.nav__link {
  font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color var(--transition);
}
.nav__link:hover { color: var(--text); }
.nav__link--active { color: var(--accent); }

/* ── GRADIENT TEXT ───────────────────────────────────────────────────────── */
.grad-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ── TYPING DOTS ─────────────────────────────────────────────────────────── */
.typing-dots { display: inline-flex; gap: 4px; align-items: center; }
.typing-dots span {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--muted); display: inline-block;
  animation: pulse 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@media (max-width: 768px) {
  .nav__links .nav__link:not(.nav__link--cta) { display: none; }
  .form-row { grid-template-columns: 1fr; }
}