/* ===== Advanced / Engineering View =====
 * 1 | maintainer@emeraldcoastsystemsgroup.com
 */

/* ── Shell ──────────────────────────────────────── */

.advanced-view {
  display: flex;
  height: 100%;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* ── Sidebar ribbon ─────────────────────────────── */

.adv-sub-ribbon {
  width: 44px;
  min-width: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  gap: 2px;
  border-right: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.adv-sub-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
}

.adv-sub-btn:hover {
  background: var(--glass-bg-heavy);
  color: var(--text-primary);
}

.adv-sub-btn.active {
  background: var(--glass-bg-heavy);
  color: var(--accent-primary);
}

.adv-sub-btn.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--accent-primary);
  border-radius: 0 1px 1px 0;
}

.adv-sub-btn i {
  font-size: 18px;
}

/* ── Content container ──────────────────────────── */

.adv-iframe-container {
  flex: 1;
  overflow: hidden;
}

.adv-iframe-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ── Panel scroll wrapper ────────────────────────── */

.adv-panel {
  height: 100%;
  overflow-y: auto;
  padding: 24px;
  box-sizing: border-box;
  display: grid;
  gap: 18px;
  grid-template-rows: auto auto 1fr;
}

/* ── Hero card ───────────────────────────────────── */

.adv-hero-card {
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  border-radius: 22px;
  padding: 24px;
  background: rgba(18, 18, 30, 0.72);
}

.adv-hero-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.adv-hero-eyebrow {
  margin: 0 0 8px;
  color: var(--accent-primary, #8b5cf6);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.adv-hero-title {
  margin: 0;
  font-size: 28px;
  color: var(--text-primary);
}

.adv-hero-status-chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

.adv-hero-summary {
  margin: 16px 0 0;
  color: var(--text-muted, rgba(255, 255, 255, 0.68));
  line-height: 1.6;
  font-size: 14px;
}

/* ── Meta card grid ──────────────────────────────── */

.adv-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.adv-meta-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 18px;
  background: rgba(18, 18, 30, 0.58);
}

.adv-meta-label {
  font-size: 12px;
  color: var(--text-muted, rgba(255, 255, 255, 0.68));
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.adv-meta-value {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-primary);
  word-break: break-word;
}

.adv-meta-value code {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  color: var(--accent-secondary, #a78bfa);
}

/* ── Iframe section ──────────────────────────────── */

.adv-iframe-section {
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  border-radius: 22px;
  padding: 12px;
  background: rgba(18, 18, 30, 0.72);
  min-height: 560px;
  overflow: hidden;
}

.adv-iframe-section iframe {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 16px;
  background: #0f1020;
  display: block;
}

/* ── Mobile ≤ 640px ──────────────────────────────── */

@media (max-width: 640px) {
  /* Stack sidebar ribbon above the content instead of beside it */
  .advanced-view {
    flex-direction: column;
  }

  /* Ribbon becomes a horizontal scrollable strip across the top */
  .adv-sub-ribbon {
    width: 100%;
    min-width: 0;
    flex-direction: row;
    justify-content: flex-start;
    padding: 6px 8px;
    gap: 4px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    flex-shrink: 0;
  }

  /* Content area takes full remaining height */
  .adv-iframe-container {
    flex: 1;
    min-height: 0;
  }

  /* Reduce panel padding so content fits 390px without overflow */
  .adv-panel {
    padding: 12px;
    gap: 12px;
  }

  /* Hero card padding reduction */
  .adv-hero-card {
    padding: 16px 12px;
    border-radius: 14px;
  }

  /* Scale down oversized hero title */
  .adv-hero-title {
    font-size: 20px;
  }

  /* Meta grid: collapse to single column on narrow viewports */
  .adv-meta-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  /* Iframe section: reduce padding, lower min-height for phone */
  .adv-iframe-section {
    padding: 8px;
    min-height: 320px;
    border-radius: 14px;
  }
}