@import url('../shared/base.css');

.app-container {
    max-width: 960px;
}

.app-main {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    flex: 1;
}

.tab-nav {
    display: flex;
    gap: 0.5rem;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 0.4rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.tab-btn {
    flex: 1;
    padding: 0.7rem 1rem;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.tab-btn:hover:not(.active) {
    background: var(--bg);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.section-divider {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 1rem 0 0.75rem 0;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.section-divider.sub {
    font-size: 0.7rem;
    margin: 0.75rem 0 0.5rem 0;
    color: var(--text-secondary);
}

.plane-section {
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.plane-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.input-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.input-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
}

.input-group {
    margin-bottom: 0.75rem;
}

.input-group label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.input-unit {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.input-unit input,
.input-unit select {
    flex: 1;
    padding: 0.65rem 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 0.9rem;
    font-family: var(--font);
    transition: border-color 0.2s;
    -webkit-appearance: none;
}

.input-unit select {
    cursor: pointer;
    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 fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

.input-unit input:focus,
.input-unit select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-unit span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 2.5rem;
}

.btn-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-primary {
    padding: 0.8rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: white;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font);
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.btn-primary:hover { opacity: 0.85; }

.btn-outline {
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.btn-outline:hover { background: var(--bg); }

#s-result-card, #d-result-card { min-height: 180px; }

.result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--text-secondary);
    text-align: center;
}

.result-placeholder i { font-size: 2.5rem; opacity: 0.3; }
.result-placeholder p { font-size: 0.9rem; margin: 0; }

.result-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.result-item {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 1rem;
    text-align: center;
}

.result-item.highlight {
    background: linear-gradient(135deg, var(--accent-light), var(--surface));
    border: 2px solid var(--accent);
}

.result-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.result-item.highlight .result-value {
    color: var(--accent);
}

.result-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-top: 0.2rem;
}

#s-quality-badge, #d-quality-badge {
    font-size: 1rem;
}

.quality-ok { color: #22c55e; }
.quality-fair { color: #eab308; }
.quality-poor { color: #ef4444; }

.formula-card { margin-top: 0.5rem; }

.formula-content h3 {
    font-size: 0.85rem;
    font-weight: 700;
    margin: 1rem 0 0.5rem 0;
    color: var(--text);
}

.formula-content h3:first-child {
    margin-top: 0;
}

.formula-steps {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.formula-step {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.formula-step strong {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
    color: var(--text);
}

.formula-step p {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    line-height: 1.5;
}

.note-text {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
    padding: 0.75rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
    line-height: 1.5;
}

#s-result-container, #d-result-container {
    padding-top: 0.5rem;
}

.canvas-container {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    margin: 1rem 0;
    text-align: center;
}

#s-polar-chart, #d-polar-chart {
    max-width: 100%;
    height: auto;
}

.result-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.result-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.75rem;
}

@media (max-width: 600px) {
    .result-grid-2,
    .result-grid-3 {
        grid-template-columns: 1fr;
    }
}

.iso-pass {
    color: #22c55e;
    font-weight: 700;
}

.iso-fail {
    color: #ef4444;
    font-weight: 700;
}

.hole-result {
    background: var(--bg);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-top: 0.75rem;
}

.hole-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.hole-item {
    text-align: center;
    padding: 0.5rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.hole-item .angle {
    font-size: 0.9rem;
    font-weight: 700;
}

.hole-item .mass {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

@media (max-width: 480px) {
    .input-grid-2,
    .input-grid-3 {
        grid-template-columns: 1fr;
    }

    .result-row {
        grid-template-columns: 1fr;
    }

    .btn-row {
        grid-template-columns: 1fr;
    }

    .app-main {
        padding: 0.75rem;
        gap: 0.75rem;
    }
}

@media (min-width: 768px) {
    .app-main {
        padding: 1.5rem;
        gap: 1.25rem;
    }
}