/* ═══════════════════════════════════════════════════════
   YANA-IGY Metallic Design System
   Professional brushed-metal aesthetic
   ═══════════════════════════════════════════════════════ */

/* Design tokens */
:root {
  /* Metallic palette */
  --metal-dark: #0a0a0f;
  --metal-base: #12121a;
  --metal-surface: #1a1a25;
  --metal-card: #1e1e2a;
  --metal-border: #2a2a3a;
  --metal-highlight: #3a3a4f;

  /* Chrome / silver text */
  --chrome-bright: #e8e8f0;
  --chrome-mid: #b8b8c8;
  --chrome-dim: #888898;

  /* Accent: alert red with metallic sheen */
  --accent-red: #cc2233;
  --accent-red-bright: #ff3344;
  --accent-red-glow: rgba(204, 34, 51, 0.25);

  /* Accent: status green */
  --accent-green: #22aa55;
  --accent-green-bright: #33dd66;
  --accent-green-glow: rgba(34, 170, 85, 0.2);

  /* Accent: action blue */
  --accent-blue: #2266cc;
  --accent-blue-bright: #3388ee;
  --accent-blue-glow: rgba(34, 102, 204, 0.2);

  /* Accent: warning */
  --accent-orange: #cc8822;

  /* Metallic gradients */
  --gradient-metal: linear-gradient(145deg, #1e1e2a 0%, #14141e 50%, #1a1a28 100%);
  --gradient-steel: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 40%, rgba(255,255,255,0.02) 100%);
  --gradient-chrome-text: linear-gradient(180deg, #f0f0f8 0%, #c0c0d0 50%, #a0a0b0 100%);
  --gradient-btn-blue: linear-gradient(180deg, #3399ee 0%, #2266cc 40%, #1a55aa 100%);
  --gradient-btn-red: linear-gradient(180deg, #ee3344 0%, #cc2233 40%, #aa1a2a 100%);
  --gradient-btn-green: linear-gradient(180deg, #33cc66 0%, #22aa55 40%, #1a8844 100%);

  /* Shadows */
  --shadow-card: 0 2px 12px rgba(0,0,0,0.5), 0 0 1px rgba(255,255,255,0.05) inset;
  --shadow-btn: 0 2px 8px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.08) inset;
  --shadow-glow-red: 0 0 20px var(--accent-red-glow);
  --shadow-glow-blue: 0 0 20px var(--accent-blue-glow);
  --shadow-glow-green: 0 0 20px var(--accent-green-glow);

  /* Typography */
  --font-base: 1rem;
  --font-large: clamp(1.5rem, 4vw, 2.5rem);
  --font-medium: clamp(1.1rem, 3vw, 1.8rem);
}

/* ─── Global Reset & Base ──────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--metal-dark);
  color: var(--chrome-bright);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Subtle brushed-metal texture on body */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(255,255,255,0.003) 2px,
      rgba(255,255,255,0.003) 4px
    );
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* ─── Typography ───────────────────────────────────── */
h1 {
  font-size: var(--font-large);
  font-weight: 700;
  letter-spacing: 0.02em;
}

h2 {
  font-size: var(--font-medium);
  font-weight: 600;
}

a {
  color: var(--accent-blue-bright);
  transition: color 0.2s;
}
a:hover {
  color: #55aaff;
}

/* ─── Metallic Card Component ──────────────────────── */
.metal-card {
  background: var(--gradient-metal);
  border: 1px solid var(--metal-border);
  border-radius: 14px;
  padding: 30px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

/* Chrome sheen overlay */
.metal-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: var(--gradient-steel);
  pointer-events: none;
  border-radius: 14px 14px 0 0;
}

.metal-card--red {
  border-color: rgba(204,34,51,0.4);
  box-shadow: var(--shadow-card), var(--shadow-glow-red);
}

.metal-card--blue {
  border-color: rgba(34,102,204,0.4);
  box-shadow: var(--shadow-card), var(--shadow-glow-blue);
}

.metal-card--green {
  border-color: rgba(34,170,85,0.4);
  box-shadow: var(--shadow-card), var(--shadow-glow-green);
}

/* ─── Metallic Buttons ─────────────────────────────── */
.metal-btn {
  display: inline-block;
  padding: 16px 32px;
  min-height: 48px;
  font-size: 1.1em;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-btn);
  text-align: center;
  letter-spacing: 0.01em;
  -webkit-tap-highlight-color: rgba(255,255,255,0.1);
  touch-action: manipulation;
}

.metal-btn--blue {
  background: var(--gradient-btn-blue);
  border: 1px solid rgba(51,136,238,0.3);
}
.metal-btn--blue:hover {
  box-shadow: var(--shadow-btn), var(--shadow-glow-blue);
  transform: translateY(-1px);
}

.metal-btn--red {
  background: var(--gradient-btn-red);
  border: 1px solid rgba(238,51,68,0.3);
}
.metal-btn--red:hover {
  box-shadow: var(--shadow-btn), var(--shadow-glow-red);
  transform: translateY(-1px);
}

.metal-btn--green {
  background: var(--gradient-btn-green);
  border: 1px solid rgba(51,204,102,0.3);
}
.metal-btn--green:hover {
  box-shadow: var(--shadow-btn), var(--shadow-glow-green);
  transform: translateY(-1px);
}

.metal-btn--dark {
  background: linear-gradient(180deg, #3a3a4a 0%, #2a2a3a 40%, #1a1a2a 100%);
  border: 1px solid rgba(255,255,255,0.08);
}
.metal-btn--dark:hover {
  background: linear-gradient(180deg, #4a4a5a 0%, #3a3a4a 40%, #2a2a3a 100%);
  transform: translateY(-1px);
}

.metal-btn--orange {
  background: linear-gradient(180deg, #ee9933 0%, #cc7722 40%, #aa6611 100%);
  border: 1px solid rgba(204,136,34,0.3);
}
.metal-btn--orange:hover {
  box-shadow: var(--shadow-btn), 0 0 20px rgba(204,136,34,0.25);
  transform: translateY(-1px);
}

/* ─── Metallic Form Inputs ─────────────────────────── */
.metal-input {
  width: 100%;
  padding: 14px;
  min-height: 48px;
  background: var(--metal-base);
  color: var(--chrome-bright);
  border: 1px solid var(--metal-border);
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(255,255,255,0.1);
  touch-action: manipulation;
}
.metal-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--accent-blue-glow);
  outline: none;
}
.metal-input.input-error {
  border-color: var(--accent-red);
  box-shadow: 0 0 0 2px var(--accent-red-glow);
}

/* Metallic select */
.metal-select {
  width: 100%;
  padding: 14px;
  min-height: 48px;
  background: var(--metal-base);
  color: var(--chrome-bright);
  border: 1px solid var(--metal-border);
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-tap-highlight-color: rgba(255,255,255,0.1);
  touch-action: manipulation;
}
.metal-select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px var(--accent-blue-glow);
  outline: none;
}

/* ─── Section divider ──────────────────────────────── */
.metal-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--metal-highlight), transparent);
  border: none;
  margin: 40px 0;
}

/* ─── Container ────────────────────────────────────── */
.container {
  max-width: min(90vw, 1400px);
  margin: 0 auto;
  padding: 1rem;
}

/* ─── Images & Media ───────────────────────────────── */
img, iframe, video {
  max-width: 100%;
  height: auto;
}

/* ─── Dashboard panel stacking ─────────────────────── */
@media (max-width: 1024px) {
  .panel, .sidebar, .ach-panel, .pricing-widget {
    position: relative !important;
    width: 100% !important;
    margin-bottom: 24px !important;
    left: auto !important;
    top: auto !important;
  }
  .map-container {
    height: 50vh !important;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0.8rem;
  }
  .tier-table, .responder-tiers table {
    font-size: 0.85em;
  }
}

@media (max-width: 480px) {
  .map-container {
    height: 40vh !important;
  }
  button, input, select, textarea {
    font-size: 16px;
    padding: 14px;
    min-height: 48px;
  }
  .tier-table th, .tier-table td {
    padding: 8px;
    font-size: 0.85em;
  }
}

@media (min-width: 1920px) {
  .container {
    max-width: 1600px;
    padding: 2rem;
  }
  h1 { font-size: clamp(3rem, 5vw, 5rem); }
  .tier-table { font-size: 1.2em; }
}

/* ─── Touch-Optimized Interaction ─────────────────── */
@media (pointer: coarse) {
  a, button, [role="button"], summary, label, .metal-btn, .bulk-btn,
  .cc-back, .map-link, .state-group-header, .alert-item {
    min-height: 48px;
    min-width: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  input[type="checkbox"], input[type="radio"] {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    margin: 4px;
  }

  .metal-btn { padding: 16px 28px; }

  .nav-buttons { gap: 12px; }
  .nav-buttons .button,
  .nav-buttons .metal-btn {
    padding: 18px 24px;
    width: 100%;
    text-align: center;
  }
}

.metal-btn:active {
  transform: scale(0.97);
  filter: brightness(0.85);
}

.metal-btn--blue:active { box-shadow: var(--shadow-btn), 0 0 24px var(--accent-blue-glow); }
.metal-btn--red:active { box-shadow: var(--shadow-btn), 0 0 24px var(--accent-red-glow); }
.metal-btn--green:active { box-shadow: var(--shadow-btn), 0 0 24px var(--accent-green-glow); }
.metal-btn--dark:active { box-shadow: var(--shadow-btn), 0 0 12px rgba(255,255,255,0.08); }
.metal-btn--orange:active { box-shadow: var(--shadow-btn), 0 0 24px rgba(204,136,34,0.25); }