/* Decimal Time Converter Styles */
:root {
    --dtc-primary: #06b6d4; /* Cyan */
    --dtc-primary-hover: #0891b2;
    --dtc-bg: #f0f9fc;
    --dtc-card: #ffffff;
    --dtc-text: #164e63;
    --dtc-text-muted: #06b6d4;
    --dtc-border: #a5f3fc;
    --dtc-radius: 12px;
}

.dtc-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    max-width: 500px;
    margin: 2rem auto;
    background: var(--dtc-card);
    padding: 2rem;
    border-radius: var(--dtc-radius);
    box-shadow: 0 4px 6px -1px rgba(6, 182, 212, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--dtc-border);
    box-sizing: border-box;
}

.dtc-wrapper * {
    box-sizing: border-box;
}

.dtc-header {
    text-align: center;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dtc-icon {
    color: var(--dtc-primary);
    margin-bottom: 0.5rem;
}

.dtc-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    color: var(--dtc-text);
}

.dtc-header p {
    margin: 0;
    color: var(--dtc-text-muted);
    font-size: 0.95rem;
}

.dtc-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dtc-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.dtc-input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dtc-text);
}

.dtc-input-group select,
.dtc-input-group input {
    padding: 0.75rem;
    border: 2px solid var(--dtc-border);
    border-radius: 8px;
    font-size: 1rem;
    width: 100%;
    background: var(--dtc-bg);
    color: var(--dtc-text);
    transition: border-color 0.2s;
}

.dtc-input-group select:focus,
.dtc-input-group input:focus {
    outline: none;
    border-color: var(--dtc-primary);
}

.dtc-btn {
    margin-top: 0.5rem;
    padding: 0.85rem;
    background: var(--dtc-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.dtc-btn:hover {
    background: var(--dtc-primary-hover);
}

.dtc-result {
    margin-top: 2rem;
    background: linear-gradient(135deg, #f0f9fc 0%, #cffafe 100%);
    border: 2px solid var(--dtc-border);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    animation: slideDown 0.3s ease-out;
}

.dtc-result.hidden {
    display: none;
}

.dtc-result-header {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--dtc-primary);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.dtc-result-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dtc-text);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    font-family: 'Courier New', monospace;
}

.dtc-result-detail {
    font-size: 0.95rem;
    color: var(--dtc-text-muted);
    font-style: italic;
    margin-top: 0.5rem;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    .dtc-wrapper {
        margin: 1rem;
        padding: 1.5rem;
    }
}