/* ================== Clamp Calculator Page Styles ================== */

/* ===== Main Layout ===== */
.clamp-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 30px;
}

/* ===== Input Panel ===== */
.input-panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
    min-width: 0;
    max-width: 100%;
    max-height: 500px;
    overflow-y: auto;
}

/* Custom scrollbar for input panel */
.input-panel::-webkit-scrollbar {
    width: 8px;
}

.input-panel::-webkit-scrollbar-track {
    background: var(--bg-main);
    border-radius: 4px;
}

.input-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.input-panel::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

.panel-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px 0;
}

/* ===== Settings Group ===== */
.settings-group {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.settings-group:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.settings-group__title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 600px) {
    .settings-row {
        grid-template-columns: 1fr;
    }
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-item__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.setting-item__input {
    display: flex;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: linear-gradient(145deg, #f8f9fa, #f1f3f5);
    transition: all 0.2s;
}

.setting-item__input:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

.setting-item__input:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.setting-input {
    flex: 1;
    padding: 10px 14px;
    border: none;
    background: transparent;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 0;
}

.setting-input:focus {
    outline: none;
}

.setting-unit {
    padding: 10px 12px;
    border: none;
    border-left: 1px solid var(--border-color);
    background: var(--bg-main);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    min-width: 55px;
    text-align: center;
}

.setting-item__hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin: 0;
}

/* ===== Presets Section ===== */
.presets-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px solid var(--border-color);
}

.presets-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.presets-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.preset-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-main);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.preset-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

/* ===== Results Panel ===== */
.results-panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
    min-width: 0;
    max-width: 100%;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.results-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

.btn-copy-code {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 2px solid var(--accent-primary);
    border-radius: 8px;
    background: transparent;
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-copy-code:hover {
    background: var(--accent-primary);
    color: white;
}

/* ===== Code Output ===== */
.code-output {
    margin-bottom: 20px;
}

.code-output__label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.code-output__content {
    background: linear-gradient(145deg, #1e1e2e, #2d2d44);
    border-radius: 12px;
    padding: 20px 24px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: #a6e3a1;
    margin: 0;
    overflow-x: auto;
    word-break: break-all;
    white-space: pre-wrap;
    border: 2px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ===== Preview Section ===== */
.preview-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.preview-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preview-container {
    background: var(--bg-main);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    margin-bottom: 12px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-text {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--text-primary);
    transition: font-size 0.3s ease;
    word-break: break-word;
}

.preview-info {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.preview-info__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.preview-info__label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preview-info__value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* ===== Explanation Section ===== */
.explanation-section {
    margin-top: 20px;
}

.explanation-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.explanation-content {
    background: var(--bg-main);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
}

.explanation-content p {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    line-height: 1.6;
}

.explanation-content ul {
    margin: 0;
    padding-left: 20px;
}

.explanation-content li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.6;
}

.explanation-content li:last-child {
    margin-bottom: 0;
}

.explanation-content strong {
    color: var(--accent-primary);
    font-weight: 700;
}

/* ===== Info Section ===== */
.info-section {
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

.info-section__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 1024px) {
    .info-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .info-cards {
        grid-template-columns: 1fr;
    }
}

.info-card {
    background: var(--bg-main);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
}

.info-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.info-card__icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.info-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.info-card__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--text-primary);
    color: white;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ===== Dark Mode ===== */
[data-theme="dark"] .setting-item__input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .setting-item__input:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

[data-theme="dark"] .setting-item__input:focus-within {
    border-color: var(--accent-primary);
}

[data-theme="dark"] .setting-unit {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .preview-container {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .explanation-content {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .info-card {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .code-output__content {
    background: linear-gradient(145deg, #0a0a0f, #1a1a2a);
    border-color: rgba(99, 102, 241, 0.3);
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .input-panel {
        max-height: 450px;
    }
    
    .input-panel,
    .results-panel {
        padding: 18px;
    }
    
    .preview-container {
        padding: 24px 16px;
        min-height: 90px;
    }
    
    .preview-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .presets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .input-panel {
        max-height: 400px;
    }
    
    .input-panel,
    .results-panel {
        padding: 16px;
    }
    
    .presets-grid {
        grid-template-columns: 1fr;
    }
}