/* ═══════════════════════════════════════════════════════════════
   Space Needle Brand Design System
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  /* Brand colors */
  --sn-black:    #0c0c0c;
  --sn-dark:     #141414;
  --sn-surface:  #1c1c1c;
  --sn-surface2: #242424;
  --sn-border:   #2e2e2e;
  --sn-gold:     #c9a96e;
  --sn-gold2:    #e8c99a;
  --sn-white:    #ffffff;
  --sn-gray:     #888888;
  --sn-gray2:    #bbbbbb;
  --sn-red:      #c0392b;
  --sn-orange:   #d35400;
  --sn-green:    #27ae60;
  --sn-blue:     #2980b9;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;
  --shadow:    0 8px 40px rgba(0,0,0,0.6);
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--sn-black);
  color: var(--sn-white);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ─────────────────────────────────────────────────── */
.sn-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--sn-gray);
}
.sn-heading {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.sn-heading strong { font-weight: 700; }
.sn-subheading {
  font-size: 1rem;
  font-weight: 400;
  color: var(--sn-gray2);
  letter-spacing: 0.5px;
}

/* ── Nav ────────────────────────────────────────────────────────── */
.sn-nav {
  background: var(--sn-black);
  border-bottom: 1px solid var(--sn-border);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.sn-nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--sn-white);
}
.sn-nav-logo-icon {
  font-size: 1.6rem;
  line-height: 1;
}
.sn-nav-logo-text {
  display: flex;
  flex-direction: column;
}
.sn-nav-logo-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  line-height: 1;
}
.sn-nav-logo-sub {
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sn-gold);
  line-height: 1.4;
}
.sn-nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sn-nav-link {
  color: var(--sn-gray2);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.sn-nav-link:hover,
.sn-nav-link.active {
  color: var(--sn-white);
  background: var(--sn-surface);
}
.sn-nav-link.active {
  color: var(--sn-gold);
}

/* ── Buttons ────────────────────────────────────────────────────── */
.sn-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}
.sn-btn-gold {
  background: var(--sn-gold);
  color: var(--sn-black);
}
.sn-btn-gold:hover { background: var(--sn-gold2); transform: translateY(-1px); }
.sn-btn-outline {
  background: transparent;
  border: 1px solid var(--sn-border);
  color: var(--sn-white);
}
.sn-btn-outline:hover { border-color: var(--sn-gold); color: var(--sn-gold); }
.sn-btn-sm { padding: 8px 16px; font-size: 0.72rem; }
.sn-btn-lg { padding: 16px 36px; font-size: 0.85rem; }

/* ── Cards ──────────────────────────────────────────────────────── */
.sn-card {
  background: var(--sn-surface);
  border: 1px solid var(--sn-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}
.sn-card:hover { border-color: #444; }
.sn-card-gold { border-color: var(--sn-gold); background: rgba(201,169,110,0.06); }

/* ── Badges ─────────────────────────────────────────────────────── */
.sn-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 2px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.sn-badge-LOW      { background: rgba(39,174,96,0.15);  color: #5dbb80; border: 1px solid rgba(39,174,96,0.3); }
.sn-badge-MODERATE { background: rgba(201,169,110,0.15); color: var(--sn-gold); border: 1px solid rgba(201,169,110,0.3); }
.sn-badge-BUSY     { background: rgba(211,84,0,0.15);   color: #e8855a; border: 1px solid rgba(211,84,0,0.3); }
.sn-badge-VERY_BUSY{ background: rgba(192,57,43,0.2);   color: #e07060; border: 1px solid rgba(192,57,43,0.3); }
.sn-badge-NORMAL   { background: rgba(41,128,185,0.15); color: #5ba8d8; border: 1px solid rgba(41,128,185,0.3); }
.sn-badge-SLOWED   { background: rgba(201,169,110,0.15); color: var(--sn-gold); border: 1px solid rgba(201,169,110,0.3); }
.sn-badge-PAUSED   { background: rgba(211,84,0,0.15);   color: #e8855a; border: 1px solid rgba(211,84,0,0.3); }
.sn-badge-EMERGENCY{ background: rgba(192,57,43,0.2);   color: #e07060; border: 1px solid rgba(192,57,43,0.3); animation: sn-flash 0.8s infinite; }
@keyframes sn-flash { 0%,100% { opacity:1 } 50% { opacity:0.4 } }

/* ── Divider ────────────────────────────────────────────────────── */
.sn-divider {
  height: 1px;
  background: var(--sn-border);
  margin: 32px 0;
}
.sn-section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.sn-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sn-border);
}

/* ── Progress ───────────────────────────────────────────────────── */
.sn-progress-bg {
  height: 3px;
  background: var(--sn-surface2);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 12px;
}
.sn-progress-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--sn-gold);
  transition: width 0.4s ease;
}

/* ── Grid utilities ─────────────────────────────────────────────── */
.sn-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sn-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sn-grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }

/* ── Input ──────────────────────────────────────────────────────── */
.sn-input {
  background: var(--sn-surface2);
  border: 1px solid var(--sn-border);
  border-radius: var(--radius-sm);
  color: var(--sn-white);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 10px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.2s;
}
.sn-input:focus { border-color: var(--sn-gold); }
.sn-input::placeholder { color: var(--sn-gray); }

/* ── Toast ──────────────────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 999; display: flex; flex-direction: column; gap: 8px;
}
.sn-toast {
  background: var(--sn-surface2);
  border: 1px solid var(--sn-border);
  border-left: 3px solid var(--sn-gold);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 0.82rem;
  max-width: 320px;
  box-shadow: var(--shadow);
  animation: sn-slideup 0.25s ease;
}
.sn-toast.error { border-left-color: var(--sn-red); }
.sn-toast.success { border-left-color: var(--sn-green); }
@keyframes sn-slideup {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sn-nav { padding: 0 20px; }
  .sn-nav-links .sn-nav-link { display: none; }
  .sn-grid-3, .sn-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .sn-grid-3, .sn-grid-4 { grid-template-columns: 1fr; }
}