/**
 * RIVERAA SOLAR – BRAND UI THEME
 * Clean • Modern • Solar Green • Premium UI
 */

:root {
    --riveraa-primarys: var(--egx-gd-1);
    --riveraa-primary: var(--riveraa-primarys);  /* Deep Solar Green */
    --riveraa-primary-light: #4CAF50;
    --riveraa-primary-soft: #E8F5E9;

    --riveraa-accent: #2196F3;
    --riveraa-bg: #ffffff;
    --riveraa-muted: #666;
    --riveraa-border: #E0E0E0;

    --riveraa-radius: 14px;
}

/* WRAPPER */
.riveraa-solar-calculator-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px;
    background: var(--riveraa-bg);
    border-radius: var(--riveraa-radius);
    border: 1px solid #f1f1f1;
    box-shadow: 0 8px 28px rgba(0,0,0,0.06);
}

/* HEADER */
.riveraa-calculator-header {
    text-align: center;
    margin-bottom: 32px;
}

.riveraa-calculator-heading {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--e-global-color-primary);
    letter-spacing: -0.5px;
}

.riveraa-calculator-description {
    font-size: 1.1rem;
    color: var(--riveraa-muted);
    margin-top: 6px;
}

/* FORM */
.riveraa-calculator-form {
    display: grid;
    gap: 22px;
}

.riveraa-calc-field label {
    font-weight: 600;
    color: #222;
}

.riveraa-calc-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: var(--riveraa-radius);
    border: 2px solid #ddd;
    transition: all 0.25s ease;
    background: #fff;
}

.riveraa-calc-input:focus {
    border-color: var(--riveraa-primarys);
    box-shadow: 0 0 0 4px rgba(46,125,50,0.12);
    outline: none;
}

.riveraa-calc-input.error {
    border-color: #f44336;
}

/* PROPERTY TYPES */
.riveraa-property-type-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(150px,1fr));
    gap: 12px;
}

.riveraa-property-btn {
    padding: 16px 12px;
    border: 2px solid var(--riveraa-border);
    border-radius: var(--riveraa-radius);
    background: #fafafa;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.riveraa-property-btn.active {
    background: var(--riveraa-primarys);
    border-color: var(--riveraa-primarys);
    color: #fff;
    box-shadow: 0 6px 18px rgba(46,125,50,0.26);
}

.riveraa-property-btn:hover:not(.active) {
    border-color: var(--riveraa-primarys);
    background: var(--riveraa-primary-soft);
}

/* CALCULATE BUTTON */
.riveraa-calculate-btn {
    padding: 16px 26px;
    border-radius: var(--riveraa-radius);
    background: linear-gradient(90deg, var(--riveraa-primarys), var(--riveraa-primary-light));
    border: none;
    color: #fff;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
}

.riveraa-calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(46,125,50,0.22);
}

.riveraa-calculate-btn.loading {
    position: relative;
    color: transparent;
}

.riveraa-calculate-btn.loading:after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.8s linear infinite;
}

@keyframes spinner {
    to { transform: rotate(360deg); }
}

/* RESULTS */
.riveraa-calculator-results {
    margin-top: 48px;
    padding-top: 36px;
    border-top: 2px solid var(--riveraa-border);
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

.riveraa-results-heading {
    text-align: center;
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--riveraa-primarys);
    margin-bottom: 24px;
}

/* RESULTS GRID */
.riveraa-results-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.riveraa-result-card {
    padding: 22px;
    background: #fff;
    border-radius: var(--riveraa-radius);
    border: 1px solid var(--riveraa-border);
    text-align: center;
    transition: all 0.25s ease;
    position: relative;
}

.riveraa-result-card:hover {
    border-color: var(--e-global-color-primary);
    box-shadow: 0 6px 22px rgba(46,125,50,0.15);
    transform: translateY(-3px);
}

.riveraa-result-card.highlight {
    border-color: var(--riveraa-primarys);
    background: var(--riveraa-primary-soft);
}

.riveraa-result-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
}

.riveraa-result-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--riveraa-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.riveraa-result-value {
    font-size: 1.65rem;
    font-weight: 800;
    color: #222;
    margin-top: 6px;
}

/* CTA BUTTON */
.riveraa-cta-btn {
    margin-top: 24px;
    padding: 16px 40px;
    border-radius: var(--riveraa-radius);
    background: var(--e-global-color-secondary);
    color: #fff;
    border: none;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.riveraa-cta-btn:hover {
    transform: translateY(-2px);
    background: #1B5E20;
    box-shadow: 0 6px 18px rgba(27,94,32,0.26);
}

/* RESPONSIVE */
@media(max-width: 768px){
    .riveraa-solar-calculator-wrapper { padding: 24px; }
    .riveraa-calculator-heading { font-size: 2rem; }
}

@media(max-width: 480px){
    .riveraa-calculator-heading { font-size: 1.7rem; }
    .riveraa-result-value { font-size: 1.35rem; }
}