/*
  RIDDAMS·8080 — Shared Stylesheet
  © 2026 Damian Lunson · CC BY-NC-ND 4.0
  ─────────────────────────────────────────
  Import order: shared.css → page-specific styles
*/

/* ═══════════════════════════════════════════
   CUSTOM PROPERTIES
═══════════════════════════════════════════ */
:root {
  /* Backgrounds */
  --bg:           #1a1a18;
  --bg-2:         #222220;
  --panel:        #2a2725;
  --panel-light:  #3a3633;
  --metal:        #4a4540;

  /* Display LCD */
  --display:      #1f2a1a;
  --display-text: #a4d96c;
  --display-glow: rgba(164, 217, 108, 0.45);

  /* Accent / orange */
  --accent:       #ff5722;
  --accent-dark:  #c04d1f;
  --accent-deep:  #7e2f10;
  --accent-glow:  rgba(255, 87, 34, 0.5);
  --accent-dim:   rgba(255, 87, 34, 0.15);

  /* Palette */
  --yellow:       #ffc107;
  --green:        #8bc34a;
  --teal:         #26a69a;
  --cream:        #e8dcc4;
  --cream-dim:    #a09080;

  /* Borders */
  --border:       #3a3530;
  --border-dim:   #252220;

  /* Shadows */
  --shadow-deep:  rgba(0, 0, 0, 0.6);

  /* Typography */
  --font-logo:    'Major Mono Display', monospace;
  --font-display: 'VT323', monospace;
  --font-body:    'Space Mono', monospace;

  /* Nav */
  --nav-h:        56px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* ═══════════════════════════════════════════
   CRT SCANLINES + NOISE (global overlay)
═══════════════════════════════════════════ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.012) 0px,
    rgba(255,255,255,0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 9000;
}

/* ═══════════════════════════════════════════
   NAV
═══════════════════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 800;
  background: rgba(26, 26, 24, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 0;
}

/* Logo */
.nav-logo {
  font-family: var(--font-logo);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--cream);
  text-shadow: 0 0 20px rgba(255,87,34,0.3);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.15s;
  user-select: none;
}
.nav-logo:hover { opacity: 0.8; text-decoration: none; }
.nav-logo .a { color: var(--accent); }
.nav-logo .dot { color: #555; }

/* Main links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 32px;
  flex: 1;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-dim);
  padding: 6px 10px;
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: var(--cream);
  background: rgba(255,255,255,0.05);
  text-decoration: none;
}

.nav-link.active {
  color: var(--accent);
  border-color: rgba(255,87,34,0.25);
  background: rgba(255,87,34,0.07);
}

/* Right side auth buttons */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-auth-link {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-dim);
  padding: 5px 10px;
  text-decoration: none;
  transition: color 0.15s;
  border-radius: 3px;
}
.nav-auth-link:hover { color: var(--cream); text-decoration: none; }

.nav-btn {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream);
  background: linear-gradient(180deg, var(--accent-dark) 0%, var(--accent-deep) 100%);
  border: 1px solid var(--accent-deep);
  padding: 6px 12px;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 2px 0 rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
  transition: opacity 0.15s;
  display: inline-block;
}
.nav-btn:hover { opacity: 0.85; text-decoration: none; }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--cream);
  transition: transform 0.2s, opacity 0.2s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: rgba(26, 26, 24, 0.98);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 799;
  flex-direction: column;
  gap: 4px;
}

.nav-drawer.open { display: flex; }

.nav-drawer .nav-link {
  font-size: 11px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-dim);
}

.nav-drawer .nav-auth {
  margin-left: 0;
  margin-top: 12px;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.nav-drawer .nav-auth-link,
.nav-drawer .nav-btn {
  font-size: 11px;
  text-align: center;
  padding: 10px;
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-auth  { display: none; }
  .nav-hamburger { display: flex; }
}

/* ═══════════════════════════════════════════
   PAGE BODY OFFSET (below fixed nav)
═══════════════════════════════════════════ */
.page-content {
  padding-top: var(--nav-h);
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px 32px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-logo);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--cream);
  opacity: 0.5;
  margin-bottom: 8px;
}
.footer-brand .a { color: var(--accent); opacity: 1; }

.footer-meta {
  font-size: 9px;
  color: #444;
  letter-spacing: 0.06em;
  line-height: 2;
}
.footer-meta a { color: #555; text-decoration: none; }
.footer-meta a:hover { color: var(--accent); }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}

.footer-link {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #555;
  text-decoration: none;
  transition: color 0.15s;
}
.footer-link:hover { color: var(--accent); text-decoration: none; }

.footer-center {
  text-align: center;
}

.footer-kofi {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(255,87,34,0.35);
  padding: 6px 14px;
  border-radius: 3px;
  text-decoration: none;
  display: inline-block;
  margin-top: 8px;
  transition: box-shadow 0.15s;
}
.footer-kofi:hover { box-shadow: 0 0 14px var(--accent-glow); text-decoration: none; }

@media (max-width: 640px) {
  .site-footer {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-links { align-items: center; }
}

/* ═══════════════════════════════════════════
   SECTION TYPOGRAPHY
═══════════════════════════════════════════ */
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(20px, 4.5vw, 32px);
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  text-shadow: 0 0 14px var(--accent-glow);
  margin-bottom: 8px;
}

.section-rule {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-bottom: 40px;
}

.section-sub {
  font-size: 11px;
  color: var(--cream-dim);
  letter-spacing: 0.05em;
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: 40px;
}

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 11px 20px;
  border-radius: 3px;
  cursor: pointer;
  transition: opacity 0.15s, box-shadow 0.15s, transform 0.1s;
  border: none;
  white-space: nowrap;
  line-height: 1;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: linear-gradient(180deg, var(--accent-dark) 0%, var(--accent-deep) 100%);
  color: #fff;
  border: 1px solid var(--accent-deep);
  box-shadow: 0 2px 0 rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
}
.btn-primary:hover {
  box-shadow: 0 2px 0 rgba(0,0,0,0.4), 0 0 16px rgba(255,87,34,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
}

.btn-accent-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(255,87,34,0.4);
}
.btn-accent-ghost:hover {
  background: rgba(255,87,34,0.08);
  box-shadow: 0 0 12px var(--accent-dim);
}

.btn-green {
  background: rgba(139,195,74,0.12);
  color: var(--display-text);
  border: 1px solid rgba(139,195,74,0.3);
}
.btn-green:hover {
  background: rgba(139,195,74,0.2);
  box-shadow: 0 0 12px rgba(164,217,108,0.2);
}

.btn-large {
  font-size: 12px;
  padding: 14px 28px;
}

.btn-sm {
  font-size: 8px;
  padding: 6px 12px;
}

.btn:disabled, .btn[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ═══════════════════════════════════════════
   FORMS
═══════════════════════════════════════════ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cream-dim);
}

.form-input {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.04em;
  background: #111110;
  border: 1px solid var(--border);
  color: var(--cream);
  padding: 10px 14px;
  border-radius: 3px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}

.form-input::placeholder { color: #555; font-size: 10px; }

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(255,87,34,0.15);
}

.form-input.error {
  border-color: #e53935;
  box-shadow: 0 0 0 2px rgba(229,57,53,0.15);
}

.form-error {
  font-size: 9px;
  color: #e57373;
  letter-spacing: 0.05em;
  display: none;
}
.form-error.show { display: block; }

.form-hint {
  font-size: 9px;
  color: #555;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   CARD BASE
═══════════════════════════════════════════ */
.card {
  background: linear-gradient(160deg, var(--panel-light) 0%, var(--panel) 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.12em;
  color: var(--cream);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.card-sub {
  font-size: 10px;
  color: var(--cream-dim);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   STATUS CHIP
═══════════════════════════════════════════ */
.chip {
  display: inline-block;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  line-height: 1.6;
}

.chip-accent  { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(255,87,34,0.3); }
.chip-green   { background: rgba(139,195,74,0.1); color: var(--display-text); border: 1px solid rgba(164,217,108,0.25); }
.chip-neutral { background: rgba(255,255,255,0.06); color: var(--cream-dim); border: 1px solid var(--border); }
.chip-new     { background: rgba(255,193,7,0.12); color: var(--yellow); border: 1px solid rgba(255,193,7,0.3); }

/* ═══════════════════════════════════════════
   PAGE PANEL (max-width containers)
═══════════════════════════════════════════ */
.page-section {
  padding: 80px 24px;
}

.page-section-sm {
  padding: 48px 24px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.container-sm {
  max-width: 720px;
  margin: 0 auto;
}

.container-xs {
  max-width: 480px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════
   DISPLAY PANEL (LCD style)
═══════════════════════════════════════════ */
.lcd-panel {
  background: var(--display);
  border: 1px solid #0a0f08;
  border-radius: 3px;
  padding: 8px 14px;
  font-family: var(--font-display);
  color: var(--display-text);
  text-shadow: 0 0 8px var(--display-glow);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.6);
  letter-spacing: 0.15em;
}

/* ═══════════════════════════════════════════
   UTILITY
═══════════════════════════════════════════ */
.text-accent    { color: var(--accent); }
.text-green     { color: var(--display-text); }
.text-dim       { color: var(--cream-dim); }
.text-muted     { color: #555; }
.text-mono      { font-family: var(--font-body); }
.text-display   { font-family: var(--font-display); }
.text-logo      { font-family: var(--font-logo); }
.text-center    { text-align: center; }
.text-right     { text-align: right; }
.text-upper     { text-transform: uppercase; }
.text-sm        { font-size: 10px; }
.text-xs        { font-size: 9px; }

.d-flex         { display: flex; }
.align-center   { align-items: center; }
.justify-center { justify-content: center; }
.justify-between{ justify-content: space-between; }
.gap-sm         { gap: 8px; }
.gap-md         { gap: 16px; }
.gap-lg         { gap: 24px; }
.flex-1         { flex: 1; }
.flex-wrap      { flex-wrap: wrap; }

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 32px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 32px; }

.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ═══════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ═══════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes blink {
  50% { opacity: 0; }
}

.blink { animation: blink 1.1s step-end infinite; }
.fade-in { animation: fadeIn 0.35s ease forwards; }

/* ═══════════════════════════════════════════
   ALERT / TOAST
═══════════════════════════════════════════ */
.alert {
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 10px 14px;
  border-radius: 3px;
  border-left: 3px solid;
  line-height: 1.6;
}
.alert-error   { background: rgba(229,57,53,0.1); border-color: #e53935; color: #ef9a9a; }
.alert-success { background: rgba(139,195,74,0.1); border-color: var(--green); color: var(--display-text); }
.alert-info    { background: var(--accent-dim); border-color: var(--accent); color: var(--cream); }

/* ═══════════════════════════════════════════
   DIVIDER
═══════════════════════════════════════════ */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* ═══════════════════════════════════════════
   LOADING SPINNER
═══════════════════════════════════════════ */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}