/* public/css/theme.css */
:root,
[data-theme="dark"] {
  --sp-bg: #0b1020;
  --sp-bg-elevated: #111831;
  --sp-panel: #111831;
  --sp-border: #1f2a4d;
  --sp-text: #e6ecff;
  --sp-muted: #9aa6cf;
  --sp-accent: #5eead4;
  --sp-ce: #22d3ee;
  --sp-pe: #f59e0b;
  --sp-up: #34d399;
  --sp-down: #f87171;
  --sp-danger: #f87171;
  --sp-input-bg: #0f1730;
  --sp-header-bg: rgba(17, 24, 49, 0.85);
  --sp-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

[data-theme="light"] {
  --sp-bg: #f4f6fb;
  --sp-bg-elevated: #ffffff;
  --sp-panel: #ffffff;
  --sp-border: #d8dee9;
  --sp-text: #0f172a;
  --sp-muted: #64748b;
  --sp-accent: #0d9488;
  --sp-ce: #0891b2;
  --sp-pe: #d97706;
  --sp-up: #059669;
  --sp-down: #dc2626;
  --sp-danger: #dc2626;
  --sp-input-bg: #f8fafc;
  --sp-header-bg: rgba(255, 255, 255, 0.9);
  --sp-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

html, body {
  margin: 0;
  min-height: 100vh;
  background: var(--sp-bg);
  color: var(--sp-text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Shared chrome */
.sp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--sp-border);
  background: var(--sp-header-bg);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.sp-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sp-brand h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.sp-subtitle { color: var(--sp-muted); font-size: 12px; }

.sp-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--sp-accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--sp-accent) 50%, transparent);
}

.sp-btn {
  background: color-mix(in srgb, var(--sp-accent) 16%, transparent);
  border: 1px solid var(--sp-border);
  color: var(--sp-text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sp-btn:hover { border-color: color-mix(in srgb, var(--sp-accent) 55%, var(--sp-border)); }

.sp-btn-danger {
  background: color-mix(in srgb, var(--sp-danger) 12%, transparent);
  border-color: color-mix(in srgb, var(--sp-danger) 35%, var(--sp-border));
  color: var(--sp-danger);
}

.sp-panel {
  background: var(--sp-panel);
  border: 1px solid var(--sp-border);
  border-radius: 12px;
  padding: 14px;
  box-shadow: var(--sp-shadow);
}

.sp-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--sp-muted);
}

.sp-field input,
.sp-field select,
.sp-input {
  background: var(--sp-input-bg);
  color: var(--sp-text);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
}

.sp-field input:focus,
.sp-field select:focus,
.sp-input:focus {
  border-color: color-mix(in srgb, var(--sp-accent) 50%, var(--sp-border));
}

.sp-muted { color: var(--sp-muted); }
.sp-main { max-width: 1100px; margin: 0 auto; padding: 12px 16px 32px; }

/* Theme toggle */
.sp-theme-btn {
  border: 1px solid var(--sp-border);
  background: var(--sp-input-bg);
  color: var(--sp-text);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.sp-theme-btn:hover { border-color: var(--sp-accent); }