/* =====================================================================
   ELFA Calculator — Premium Glassmorphism Skin
   ===================================================================== */

.elfa-csc-calculator.elfa-skin-premium {
    background-color: #0a0e27;
    background-image: linear-gradient(135deg, #0a0e27 0%, #1a1145 40%, #0d1f3c 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
    padding: 50px 40px;
    border-radius: 20px;
}

/* Animated background glow orbs */
.elfa-skin-premium::before,
.elfa-skin-premium::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

.elfa-skin-premium::before {
    width: 300px;
    height: 300px;
    background: #00d4ff;
    top: -80px;
    left: -60px;
    animation: elfa-orb-float 8s ease-in-out infinite alternate;
}

.elfa-skin-premium::after {
    width: 250px;
    height: 250px;
    background: #7c3aed;
    bottom: -60px;
    right: -40px;
    animation: elfa-orb-float 10s ease-in-out infinite alternate-reverse;
}

@keyframes elfa-orb-float {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 20px) scale(1.15); }
}

.elfa-skin-premium .elfa-csc-inner {
    position: relative;
    z-index: 1;
    gap: 0;
    max-width: 960px;
}

/* ---- Panels: Frosted Glass Cards ---- */
.elfa-skin-premium .elfa-csc-panel {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 32px 28px;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.elfa-skin-premium .elfa-csc-inputs {
    border-radius: 16px 0 0 16px;
    border-right: none;
}

.elfa-skin-premium .elfa-csc-results {
    border-radius: 0 16px 16px 0;
    background: rgba(255, 255, 255, 0.06);
}

.elfa-skin-premium .elfa-csc-panel:hover {
    border-color: rgba(0, 212, 255, 0.15);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.05);
}

/* ---- Headings ---- */
.elfa-skin-premium .elfa-csc-heading {
    font-size: 24px;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.3px;
    margin: 0 0 4px 0;
}

.elfa-skin-premium .elfa-csc-subtitle {
    font-size: 13px;
    font-style: normal;
    font-weight: 500;
    color: #00d4ff;
    margin: 0 0 30px 0;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    opacity: 0.85;
}

/* ---- Labels ---- */
.elfa-skin-premium .elfa-csc-label {
    font-size: 12px;
    font-weight: 600;
    font-style: normal;
    color: rgba(255, 255, 255, 0.55);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

/* ---- Fields ---- */
.elfa-skin-premium .elfa-csc-field {
    margin-bottom: 26px;
}

/* ---- Inputs ---- */
.elfa-skin-premium .elfa-csc-input {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.elfa-skin-premium .elfa-csc-input:focus {
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.06);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1), 0 0 20px rgba(0, 212, 255, 0.08);
}

.elfa-skin-premium .elfa-csc-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* ---- Slider ---- */
.elfa-skin-premium .elfa-csc-slider-wrap {
    gap: 16px;
}

.elfa-skin-premium .elfa-csc-slider {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}

.elfa-skin-premium .elfa-csc-slider::-webkit-slider-runnable-track {
    height: 8px;
    border-radius: 4px;
}

.elfa-skin-premium .elfa-csc-slider::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
    background: #FFFFFF;
    border: none;
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
    margin-top: -8px;
    transition: box-shadow 0.3s ease;
}

.elfa-skin-premium .elfa-csc-slider::-webkit-slider-thumb:hover {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.7), 0 2px 10px rgba(0, 0, 0, 0.4);
}

.elfa-skin-premium .elfa-csc-slider::-moz-range-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    border: none;
}

.elfa-skin-premium .elfa-csc-slider::-moz-range-progress {
    height: 8px;
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    border-radius: 4px;
}

.elfa-skin-premium .elfa-csc-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: #FFFFFF;
    border: none;
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Slider value badge */
.elfa-skin-premium .elfa-csc-slider-value {
    min-width: 76px;
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 700;
    color: #FFFFFF;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.25);
}

/* ---- Results ---- */
.elfa-skin-premium .elfa-csc-result-item {
    padding: 18px 16px;
    margin-bottom: 8px;
    border-bottom: none;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: all 0.3s ease;
}

.elfa-skin-premium .elfa-csc-result-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 212, 255, 0.1);
}

.elfa-skin-premium .elfa-csc-result-savings {
    border-bottom: none;
    padding-bottom: 18px;
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.12);
}

.elfa-skin-premium .elfa-csc-result-label {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.elfa-skin-premium .elfa-csc-result-value {
    font-size: 22px;
    font-weight: 800;
    color: #00d4ff;
}

.elfa-skin-premium .elfa-csc-savings-value {
    font-size: 28px;
    background: linear-gradient(135deg, #00d4ff, #34d399, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: elfa-gradient-shift 4s ease-in-out infinite;
}

@keyframes elfa-gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ---- CTA Button ---- */
.elfa-skin-premium .elfa-csc-cta-btn {
    display: inline-block;
    width: 100%;
    text-align: center;
    padding: 16px 28px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: #FFFFFF;
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    border: none;
    border-radius: 12px;
    text-decoration: none;
    cursor: pointer;
    margin-top: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
}

.elfa-skin-premium .elfa-csc-cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

.elfa-skin-premium .elfa-csc-cta-btn:hover {
    opacity: 1;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}

.elfa-skin-premium .elfa-csc-cta-btn:hover::before {
    left: 100%;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .elfa-csc-calculator.elfa-skin-premium {
        padding: 30px 20px;
    }

    .elfa-skin-premium .elfa-csc-inputs {
        border-radius: 16px 16px 0 0;
        border-right: 1px solid rgba(255, 255, 255, 0.08);
        border-bottom: none;
    }

    .elfa-skin-premium .elfa-csc-results {
        border-radius: 0 0 16px 16px;
    }

    .elfa-skin-premium::before {
        width: 200px;
        height: 200px;
    }

    .elfa-skin-premium::after {
        width: 160px;
        height: 160px;
    }
}