/* UNIFIED GRAVITY ELITE LIGHT THEME */
:root {
    --ge-page: #F3F4F2;
    --ge-card: #FFFFFF;
    --ge-soft: #EEF1F2;
    --ge-input: #F7F8F7;
    --ge-graphite: #20252A;
    --ge-text-sec: #56616A;
    --ge-muted: #7B858C;
    --ge-blue: #6F8797;
    --ge-dark-blue: #536C7D;
    --ge-soft-blue: #E4EBEF;
    --ge-gold: #B9934A;
    --ge-success: #5F9278;
    --ge-danger: #B65C5C;
    
    /* Legacy Calculator Mappings */
    --ge-page: var(--ge-page);
    --ge-card: var(--ge-card);
    --ge-graphite: var(--ge-graphite);
    --ge-text-sec: var(--ge-text-sec);
    --ge-muted: var(--ge-muted);
    --ge-blue: var(--ge-blue);
    --ge-gold: var(--ge-gold);
    --ge-soft: var(--ge-soft);
    --c-input: var(--ge-input);
    --ge-danger: var(--ge-danger);
    --c-success: var(--ge-success);
}

/* assets/css/calculators/calculator-system.css */

/* Core Dashboard Layout */
.dashboard-wrapper {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 32px;
    align-items: start;
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
}

/* Independent Cards */
.dashboard-panel {
    background: var(--ge-card);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 8px 30px rgba(32, 37, 42, 0.04), 0 4px 10px rgba(32, 37, 42, 0.02);
    border: 1px solid rgba(111, 135, 151, 0.15);
    min-width: 0;
    width: 100%;
    height: auto;
    max-height: none;
    overflow: visible;
    align-self: start;
}

/* Input Panel Specifics */
.input-panel {
    position: static;
}

/* Output Panel Specifics */
.output-panel {
    overflow: visible;
    max-height: none;
    height: auto;
    display: flex;
    flex-direction: column;
}

/* Empty State Centering */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 420px;
}

/* Form Grid Base */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.full-width {
    grid-column: 1 / -1;
}

/* Shared Lower Information Sections */
.premium-info-v2 { padding: 40px 0 100px 0; }
.info-container { max-width: 900px; margin: 0 auto; padding: 0 2rem; }
.info-article-v2 { padding-bottom: 4rem; border-bottom: 1px solid var(--ge-soft); margin-bottom: 4rem; }
.article-num { font-family: var(--font-head); font-size: 1.25rem; font-weight: 800; color: var(--ge-blue); margin-bottom: 0.5rem; display: block; }
.article-title { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: var(--ge-graphite); margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.article-content-v2 p { font-family: var(--font-body); font-size: 1.05rem; color: var(--ge-text-sec); line-height: 1.6; margin-bottom: 1.25rem; max-width: 70ch; }
.article-image-v2 { margin-top: 2rem; border-radius: 16px; overflow: hidden; }
.article-image-v2 img { width: 100%; height: auto; max-height: 450px; object-fit: cover; border-radius: 16px; transition: transform 0.5s ease; }
.article-image-v2:hover img { transform: scale(1.02); }

/* Responsive Overrides */
@media (max-width: 739.98px) {
    .dashboard-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-panel { padding: 1.25rem; }
    .form-grid { grid-template-columns: 1fr; }
    .info-container { padding: 0 1.25rem; }
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* UNIFIED INTERACTION STATES (Hover, Focus, Form) */
.premium-calculator-v2 input[type="number"],
.premium-calculator-v2 input[type="text"],
.premium-calculator-v2 select {
    background-color: var(--ge-input) !important;
    border: 1px solid var(--ge-soft) !important;
    color: var(--ge-graphite) !important;
}

.premium-calculator-v2 input:focus,
.premium-calculator-v2 select:focus {
    background-color: var(--ge-card) !important;
    border-color: var(--ge-blue) !important;
    box-shadow: 0 0 0 3px var(--ge-soft-blue) !important;
}

.premium-calculator-v2 .btn-calculate,
.premium-calculator-v2 button.fr-btn {
    background-color: var(--ge-blue) !important;
    color: var(--ge-card) !important;
    transition: background-color 0.3s ease;
}

.premium-calculator-v2 .btn-calculate:hover,
.premium-calculator-v2 button.fr-btn:hover,
.premium-calculator-v2 .btn-calculate:focus,
.premium-calculator-v2 button.fr-btn:focus {
    background-color: var(--ge-dark-blue) !important;
}

.premium-calculator-v2 .cat-chip.active,
.premium-calculator-v2 .unit-toggle input[type="radio"]:checked + label {
    background-color: var(--ge-blue) !important;
    color: var(--ge-card) !important;
    border-color: var(--ge-blue) !important;
}

.premium-calculator-v2 .cat-chip:hover,
.premium-calculator-v2 .unit-toggle label:hover {
    background-color: var(--ge-soft-blue) !important;
}

/* Safe Anchor Scroll Margin */
[id] {
    scroll-margin-top: 140px;
}

/* UNIFIED PREMIUM HERO V2 */
.premium-hero-v2 { padding: 120px 0 40px 0; text-align: center; }
.hero-content { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.hero-eyebrow { font-family: var(--font-body); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; color: var(--ge-blue); text-transform: uppercase; margin-bottom: 1rem; display: block; }
.hero-title { font-family: var(--font-head); font-size: clamp(2.5rem, 5vw, 4.2rem); font-weight: 900; line-height: 1.05; margin-bottom: 1.5rem; letter-spacing: -0.02em; color: var(--ge-graphite); }
.hero-desc { font-family: var(--font-body); font-size: 1.1rem; color: var(--ge-text-sec); line-height: 1.6; max-width: 60ch; margin: 0 auto; }
.hero-micro-label { font-family: var(--font-body); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; color: var(--ge-muted); margin-top: 1.5rem; text-transform: uppercase; }


/* UNIFIED SEGMENTED CONTROL */
.segmented-control { display: flex; background: var(--ge-page); border: 1px solid var(--ge-soft); border-radius: 12px; padding: 4px; position: relative; }
.segmented-control input[type="radio"], .segmented-control input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.segmented-control label { flex: 1; display: flex; align-items: center; justify-content: center; font-family: var(--font-body); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; color: var(--ge-text-sec); cursor: pointer; transition: all 0.3s ease; border-radius: 8px; text-align: center; }
.segmented-control input:checked + label { background: var(--ge-graphite); color: var(--ge-card); box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.segmented-control input:focus-visible + label { outline: 2px solid var(--ge-blue); outline-offset: 2px; }
.segmented-control label:hover { background: var(--ge-soft); }
.segmented-control input:checked + label:hover { background: var(--ge-graphite); }