/* ═══════════════════════════════════════════════════════════════════
   SFZ Design System — sfz-system.css
   Loads LAST on every page. Zero !important (except legacy overrides
   at end of file). Scoped under .sfz-app.
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── Design Tokens ── */

:root {
    /* Backgrounds — deeper, less blue-tinted */
    --bg-base:     #07090d;
    --bg-surface:  #0d1117;
    --bg-elevated: #131920;
    --bg-input:    #0a0e13;
    --bg-hover:    rgba(255,255,255,0.04);

    /* Borders — more subtle */
    --border-subtle:  rgba(255,255,255,0.05);
    --border-default: rgba(255,255,255,0.09);
    --border-strong:  rgba(255,255,255,0.15);
    --border-focus:   rgba(56,189,248,0.5);

    /* Accent — desaturated, professional */
    --cyan:   #38bdf8;
    --green:  #34d399;
    --red:    #f87171;
    --amber:  #fbbf24;
    --purple: #a78bfa;
    --blue:   #60a5fa;
    --orange: #fb923c;

    /* Text hierarchy — four levels */
    --text-primary:   #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted:     #475569;
    --text-inverse:   #07090d;

    /* Semantic — environment badges */
    --env-live-bg:        rgba(52,211,153,0.12);
    --env-live-border:    rgba(52,211,153,0.25);
    --env-paper-bg:       rgba(251,191,36,0.10);
    --env-paper-border:   rgba(251,191,36,0.22);
    --env-internal-bg:    rgba(167,139,250,0.10);
    --env-internal-border:rgba(167,139,250,0.22);

    /* Typography */
    --font-ui:   'IBM Plex Sans', system-ui, sans-serif;
    --font-data: 'IBM Plex Mono', 'Courier New', monospace;

    /* Font scale */
    --text-xs:   10px;
    --text-sm:   11px;
    --text-base: 13px;
    --text-md:   14px;
    --text-lg:   15px;
    --text-xl:   18px;
    --text-kpi:  22px;

    /* Font weights */
    --weight-light:    300;
    --weight-regular:  400;
    --weight-medium:   500;
    --weight-semibold: 600;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    /* Component tokens */
    --card-padding: 14px;
    --card-radius:  6px;
    --input-height: 32px;
    --button-height:32px;
}

/* ── App Scope ── */

.sfz-app {
    min-height: 100vh;
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

/* ── Data font targets ── */

.sfz-app .sfz-kpi-value,
.sfz-app .kpi-value,
.sfz-app .price,
.sfz-app .pct,
.sfz-app .number {
    font-family: var(--font-data);
}

/* ── Card ── */

.sfz-app .sfz-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    transition: border-color 0.15s ease;
}

.sfz-app .sfz-card:hover {
    border-color: var(--border-default);
}

/* ── KPI Value ── */

.sfz-app .sfz-kpi-value {
    font-family: var(--font-data);
    font-size: var(--text-kpi);
    font-weight: var(--weight-medium);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

/* ── Label ── */

.sfz-app .sfz-label {
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ── Input ── */

.sfz-app .sfz-input {
    height: var(--input-height);
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: 5px;
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    padding: 0 10px;
    width: 100%;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.15s ease;
}

.sfz-app .sfz-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(56,189,248,0.08);
}

/* ── Select ── */

.sfz-app .sfz-select {
    height: var(--input-height);
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: 5px;
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    padding: 0 10px;
    width: 100%;
    outline: none;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
    transition: border-color 0.15s ease;
}

.sfz-app .sfz-select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(56,189,248,0.08);
}

/* ── Buttons ── */

.sfz-app .sfz-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: var(--button-height);
    padding: 0 16px;
    background: var(--cyan);
    color: var(--text-inverse);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.03em;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: opacity 0.15s ease, box-shadow 0.15s ease;
}

.sfz-app .sfz-btn-primary:hover {
    opacity: 0.9;
    box-shadow: 0 2px 12px rgba(56,189,248,0.25);
}

.sfz-app .sfz-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: var(--button-height);
    padding: 0 14px;
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border-radius: 5px;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.sfz-app .sfz-btn-ghost:hover {
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.sfz-app .sfz-btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: var(--button-height);
    padding: 0 14px;
    background: transparent;
    border: 1px solid rgba(248,113,113,0.3);
    color: var(--red);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    border-radius: 5px;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.sfz-app .sfz-btn-danger:hover {
    border-color: rgba(248,113,113,0.5);
    background: rgba(248,113,113,0.06);
}

.sfz-app .sfz-btn-success {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: var(--button-height);
    padding: 0 16px;
    background: var(--green);
    border: none;
    color: var(--text-inverse);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.03em;
    border-radius: 5px;
    cursor: pointer;
    transition: opacity 0.15s ease, box-shadow 0.15s ease;
}

.sfz-app .sfz-btn-success:hover {
    opacity: 0.9;
    box-shadow: 0 2px 12px rgba(52,211,153,0.25);
}

/* ── Badges ── */

.sfz-app .sfz-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: var(--weight-medium);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-family: var(--font-ui);
}

.sfz-app .sfz-badge.badge-active {
    background: var(--env-live-bg);
    border: 1px solid var(--env-live-border);
    color: var(--green);
}

.sfz-app .sfz-badge.badge-paper {
    background: var(--env-paper-bg);
    border: 1px solid var(--env-paper-border);
    color: var(--amber);
}

.sfz-app .sfz-badge.badge-live {
    background: var(--env-live-bg);
    border: 1px solid var(--env-live-border);
    color: var(--green);
}

.sfz-app .sfz-badge.badge-internal {
    background: var(--env-internal-bg);
    border: 1px solid var(--env-internal-border);
    color: var(--purple);
}

/* ── Table ── */

.sfz-app .sfz-table {
    width: 100%;
    border-collapse: collapse;
}

.sfz-app .sfz-table th {
    font-size: 10px;
    font-weight: var(--weight-semibold);
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 7px 12px;
    border-bottom: 1px solid var(--border-subtle);
    text-align: left;
}

.sfz-app .sfz-table td {
    font-family: var(--font-data);
    font-size: var(--text-sm);
    font-weight: var(--weight-regular);
    padding: 9px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    color: var(--text-primary);
}

.sfz-app .sfz-table tr:hover {
    background: var(--bg-hover);
    transition: background 0.1s ease;
}

/* ── Tab Bar ── */

.sfz-app .sfz-tab-bar {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 0;
}

.sfz-app .sfz-tab {
    padding: 7px 14px;
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-muted);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    font-family: var(--font-ui);
    transition: color 0.15s ease, border-color 0.15s ease;
}

.sfz-app .sfz-tab:hover {
    color: var(--text-secondary);
}

.sfz-app .sfz-tab.active {
    color: var(--cyan);
    border-bottom-color: var(--cyan);
    font-weight: var(--weight-semibold);
}

/* ── Toggle ── */

.sfz-app .sfz-toggle {
    position: relative;
    width: 36px;
    height: 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.sfz-app .sfz-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: var(--text-primary);
    border-radius: 50%;
    transition: transform 0.2s;
}

.sfz-app .sfz-toggle.on {
    background: rgba(56,189,248,0.15);
    border-color: var(--cyan);
}

.sfz-app .sfz-toggle.on::after {
    transform: translateX(16px);
}

/* ── Utility: Price Direction ── */

.sfz-app .up   { color: var(--green); font-family: var(--font-data); }
.sfz-app .down { color: var(--red);   font-family: var(--font-data); }

/* ── Utility: Color Classes ── */

.sfz-app .sfz-muted        { color: var(--text-muted); }
.sfz-app .sfz-secondary    { color: var(--text-secondary); }
.sfz-app .sfz-primary-text { color: var(--text-primary); }
.sfz-app .sfz-cyan         { color: var(--cyan); }
.sfz-app .sfz-amber        { color: var(--amber); }
.sfz-app .sfz-purple       { color: var(--purple); }

/* ── Global Resets (scoped) ── */

.sfz-app ::-webkit-scrollbar       { width: 4px; height: 4px; }
.sfz-app ::-webkit-scrollbar-track { background: transparent; }
.sfz-app ::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 2px; }
.sfz-app ::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

.sfz-app ::selection { background: rgba(56,189,248,0.2); color: var(--text-primary); }

/* ── Legacy Overrides (intentional !important) ── */

.sfz-app * { text-shadow: none !important; }

.sfz-app [class*="glass"],
.sfz-app [class*="glassmorphism"] {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: var(--bg-surface) !important;
}