/* ============================================================
   Frequency Stability Analyzer — Tool Styles
   ============================================================ */

/* ── Visualization canvas wrappers ── */
.viz-canvas-wrap {
    width: 100%;
    height: 150px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.viz-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ── Allan Deviation canvas ── */
.adev-canvas-wrap {
    width: 100%;
    height: 200px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.adev-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ── Histogram canvas ── */
.histogram-canvas-wrap {
    width: 100%;
    height: 160px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.histogram-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ── Large result display ── */
.result-box--large {
    font-family: var(--font-display);
    font-size: 2rem;
    text-align: center;
    padding: var(--space-md);
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.4);
}

/* ── Jitter display ── */
.jitter-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
}

.jitter-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.35);
}

.jitter-unit {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ── Stability grade badge ── */
.stability-grade {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid var(--color-border);
    background: var(--color-bg);
    transition: all 0.3s ease;
}

.grade-criteria {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    opacity: 0.7;
}

/* Grade: None / default */
.stability-grade--none {
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

/* Grade: Excellent — green */
.stability-grade--excellent {
    color: #00ff41;
    border-color: #00ff41;
    background: rgba(0, 255, 65, 0.08);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.4);
    box-shadow: 0 0 12px rgba(0, 255, 65, 0.15);
}

/* Grade: Good — yellow-green */
.stability-grade--good {
    color: #b8e600;
    border-color: #b8e600;
    background: rgba(184, 230, 0, 0.08);
    text-shadow: 0 0 10px rgba(184, 230, 0, 0.4);
    box-shadow: 0 0 12px rgba(184, 230, 0, 0.15);
}

/* Grade: Fair — orange */
.stability-grade--fair {
    color: #ff9800;
    border-color: #ff9800;
    background: rgba(255, 152, 0, 0.08);
    text-shadow: 0 0 10px rgba(255, 152, 0, 0.4);
    box-shadow: 0 0 12px rgba(255, 152, 0, 0.15);
}

/* Grade: Poor — red */
.stability-grade--poor {
    color: #ff3333;
    border-color: #ff3333;
    background: rgba(255, 51, 51, 0.08);
    text-shadow: 0 0 10px rgba(255, 51, 51, 0.4);
    box-shadow: 0 0 12px rgba(255, 51, 51, 0.15);
}

/* ── Stats table ── */
.stats-table-wrap {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.stats-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
}

.stats-table tr:not(:last-child) {
    border-bottom: 1px solid var(--color-border);
}

.stats-table td {
    padding: 6px 12px;
}

.stats-table__label {
    color: var(--color-text-muted);
    font-weight: 400;
}

.stats-table__value {
    text-align: right;
    color: var(--color-primary);
    font-weight: 600;
}

/* ── Data log / history adjustments ── */
.history-wrap {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

/* ── Export actions ── */
.export-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
    flex-wrap: wrap;
}

/* ── Freeze Badge ── */
.freeze-badge {
    display: inline-block;
    padding: 2px 10px;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    font-weight: 700;
    color: #00e5ff;
    background: rgba(0, 229, 255, 0.12);
    border: 1px solid #00e5ff;
    border-radius: var(--radius-full);
    letter-spacing: 0.08em;
    vertical-align: middle;
    animation: freeze-pulse 1.5s ease-in-out infinite;
}

@keyframes freeze-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .result-box--large {
        font-size: 1.5rem;
        padding: var(--space-sm);
    }

    .jitter-value {
        font-size: 1.25rem;
    }

    .stability-grade {
        font-size: 1rem;
        flex-direction: column;
        gap: 4px;
    }

    .adev-canvas-wrap {
        height: 160px;
    }

    .histogram-canvas-wrap {
        height: 130px;
    }
}

@media (max-width: 480px) {
    .result-box--large {
        font-size: 1.25rem;
    }

    .jitter-value {
        font-size: 1rem;
    }

    .stability-grade {
        font-size: 0.875rem;
    }
}