/* ==============================
   Financial Calculator Suite CSS
   ============================== */

/* --- Root Variables --- */
:root {
    --fcs-primary-color: #43e97b;
    --fcs-secondary-color: #4facfe;
    --fcs-bg-color: #ffffff;
    --fcs-shadow: 0 8px 24px rgba(0,0,0,0.12);
    --fcs-radius: 12px;
    --fcs-font: 'Roboto', sans-serif;
}

/* --- Global Styles --- */
.fcs-calculator-container {
    font-family: var(--fcs-font);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    color: #333;
}

/* --- Search Bar --- */
.fcs-search-bar {
    margin-bottom: 20px;
    text-align: center;
}

.fcs-search-bar input {
    width: 100%;
    max-width: 400px;
    padding: 10px 15px;
    border-radius: var(--fcs-radius);
    border: 1px solid #ccc;
    font-size: 16px;
    transition: 0.3s;
}

.fcs-search-bar input:focus {
    border-color: var(--fcs-primary-color);
    outline: none;
    box-shadow: 0 0 10px rgba(67,233,123,0.3);
}

/* --- Category Buttons --- */
.fcs-categories {
    text-align: center;
    margin-bottom: 20px;
}

.fcs-category-btn {
    background: linear-gradient(135deg, #4facfe, #43e97b);
    color: #fff;
    border: none;
    border-radius: var(--fcs-radius);
    padding: 10px 18px;
    margin: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: 0.3s;
}

.fcs-category-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--fcs-shadow);
}

/* --- Calculator Grid --- */
.fcs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.fcs-calculator-item {
    background: var(--fcs-bg-color);
    border-radius: var(--fcs-radius);
    box-shadow: var(--fcs-shadow);
    padding: 20px;
    text-align: center;
    transition: 0.3s;
}

.fcs-calculator-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.18);
}

/* --- Calculator Buttons --- */
.fcs-calculator-btn {
    width: 100%;
    padding: 12px 0;
    border: none;
    border-radius: var(--fcs-radius);
    background: linear-gradient(135deg, #43e97b, #4facfe);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: 0.3s;
}

.fcs-calculator-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--fcs-shadow);
}

/* --- Modal Styles --- */
#fcs-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    background: rgba(0,0,0,0.6);
    transition: 0.3s;
}

.fcs-modal-content {
    background: #fff;
    margin: 50px auto;
    padding: 30px;
    border-radius: var(--fcs-radius);
    max-width: 800px;
    position: relative;
    box-shadow: var(--fcs-shadow);
    animation: modalFadeIn 0.3s ease-in-out;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Modal Close Button --- */
.fcs-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #333;
    cursor: pointer;
    transition: 0.3s;
}

.fcs-modal-close:hover {
    color: var(--fcs-primary-color);
}

/* --- Calculator Template Inputs --- */
.fcs-calculator-template {
    margin-top: 20px;
}

.fcs-calculator-template h2 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--fcs-primary-color);
}

.fcs-input-group {
    margin-bottom: 15px;
}

.fcs-input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.fcs-input-group input, .fcs-input-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: var(--fcs-radius);
    font-size: 15px;
    transition: 0.3s;
}

.fcs-input-group input:focus, .fcs-input-group select:focus {
    border-color: var(--fcs-primary-color);
    outline: none;
    box-shadow: 0 0 10px rgba(67,233,123,0.3);
}

/* --- Result Display --- */
.fcs-calculator-template #sip-result,
.fcs-calculator-template #lumpsum-result,
.fcs-calculator-template #loan-result {
    margin-top: 15px;
    font-size: 18px;
    font-weight: 600;
    color: var(--fcs-secondary-color);
    text-align: center;
}

/* --- Charts --- */
.fcs-calculator-template canvas {
    margin-top: 20px;
    width: 100% !important;
    height: 300px !important;
    border-radius: var(--fcs-radius);
}

/* --- Buttons inside calculator templates --- */
.fcs-calculator-template button {
    width: 100%;
    padding: 12px 0;
    border: none;
    border-radius: var(--fcs-radius);
    background: linear-gradient(135deg, #43e97b, #4facfe);
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 10px;
    transition: 0.3s;
}

.fcs-calculator-template button:hover {
    transform: translateY(-2px);
    box-shadow: var(--fcs-shadow);
}

/* --- Responsive --- */
@media(max-width: 768px) {
    .fcs-modal-content {
        margin: 20px;
        padding: 20px;
    }

    .fcs-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 15px;
    }
}