/* IFC Fasting Calculator – frontend styles */
.ifc-premium {
    max-width: 950px;
    margin: auto;
    font-family: 'Segoe UI', sans-serif;
}

.ifc-card {
    background: linear-gradient(135deg, #ffffff, var(--ifc-bg, #f5f8ff));
    border-radius: var(--ifc-radius, 16px);
    padding: 35px;
    box-shadow: 0 10px 35px rgba(0,0,0,0.08);
}

.ifc-title {
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    color: var(--ifc-primary, #08326B);
    margin-bottom: 25px;
}

.ifc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.ifc-premium label {
    font-size: 14px;
    font-weight: 600;
    color: var(--ifc-text, #333);
    display: block;
}

.ifc-premium select,
.ifc-premium input[type="time"],
.ifc-premium input[type="number"] {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ddd;
    margin-top: 6px;
    font-size: 15px;
    background: #fff;
    box-sizing: border-box;
    color: var(--ifc-text, #333);
}

.ifc-btn {
    margin-top: 25px;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--ifc-primary, #08326B), var(--ifc-secondary, #1a5bd8));
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    display: block;
}

.ifc-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.ifc-results {
    margin-top: 30px;
    padding: 25px;
    border-radius: 12px;
    background: var(--ifc-bg, #f6f9ff);
}

.ifc-stat {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--ifc-text, #333);
}

.ifc-highlight {
    color: var(--ifc-primary, #08326B);
    font-weight: 700;
}

.ifc-timer {
    margin-top: 12px;
    font-size: 22px;
    font-weight: 700;
    color: var(--ifc-primary, #08326B);
}

.ifc-progress {
    height: 10px;
    background: #ddd;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 15px;
    margin-bottom: 15px;
}

.ifc-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--ifc-primary, #08326B), var(--ifc-accent, #4c8cff));
    width: 0%;
    transition: width 1s;
}

.ifc-chart-canvas {
    margin-top: 25px;
    max-width: 100%;
}

@media (max-width: 700px) {
    .ifc-grid {
        grid-template-columns: 1fr;
    }
    .ifc-card {
        padding: 20px;
    }
}