/*
 * GANITSUTRAM
 * A Living Knowledge Ecosystem for Mathematical Discovery
 */
/*
Project: GanitSūtram
Author: Jawahar R Mallah
Company: AITDL | aitdl.com
Purpose: Solver specific styles.
         Adaptive forms, pill-chain step visualization, and history layouts.
*/

/* ─── LAYOUT ───────────────────────────────────────────────── */
.gs-solver-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
    align-items: start;
    margin-top: 4rem;
}

/* ─── FORM ─────────────────────────────────────────────────── */
.gs-solver-card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.gs-solver-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.gs-form-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    transition: opacity 0.3s, transform 0.3s;
}

.gs-form-row.hidden {
    display: none;
    opacity: 0;
    transform: translateY(10px);
}

.gs-input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.gs-input-group label {
    font-family: var(--font-label);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-soft);
}

.gs-warning-inline {
    grid-column: 1 / -1;
    font-size: 0.75rem;
    color: #ffb300;
    margin-top: -1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ─── RESULT PANEL ─────────────────────────────────────────── */
.gs-result-area {
    margin-top: 3rem;
    padding: 2.5rem;
    background: linear-gradient(180deg, rgba(255, 85, 0, 0.05) 0%, transparent 100%);
    border: 1px solid var(--glass-border);
    border-top: 2px solid var(--accent-primary);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(255, 85, 0, 0.1);
}

.gs-result-header {
    margin-bottom: 2rem;
}

.gs-result-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.gs-result-sutra {
    font-family: var(--font-body);
    font-style: italic;
    color: var(--accent-soft);
    font-size: 0.9rem;
}

.gs-equation {
    font-family: 'Roboto Mono', monospace; /* Authentic math compute vibe */
    font-size: 2.5rem;
    color: var(--fg-main);
    background: var(--glass-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    text-align: center;
    margin: 2rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); /* Gentle outer drop shadow */
    white-space: pre-wrap; /* Fix long answers breaking layout */
    word-break: break-all;
}

.gs-equation strong {
    color: var(--accent-primary);
}

/* Pill Chain */
.gs-pill-chain {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.gs-pill {
    background: rgba(255, 85, 0, 0.1);
    border: 1px solid rgba(255, 85, 0, 0.3);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-family: var(--font-label);
    font-size: 0.85rem;
    color: var(--accent-soft);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 85, 0, 0.05);
}

.gs-arrow {
    color: var(--accent-soft);
    font-weight: 700;
    opacity: 0.5;
}

/* ─── HISTORY LOG ──────────────────────────────────────────── */
.gs-history-panel {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.gs-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.gs-history-table {
    width: 100%;
    font-size: 0.85rem;
    border-collapse: collapse;
}

.gs-history-table th {
    text-align: left;
    font-family: var(--font-label);
    color: var(--accent-soft);
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

.gs-history-table td {
    padding: 1rem 0;
    font-family: var(--font-body);
    border-bottom: 1px solid var(--glass-border);
    color: var(--fg-muted);
}

/* ─── REFERENCE PANEL ──────────────────────────────────────── */
.gs-ref-panel {
    margin-top: 2rem;
}

.gs-ref-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.gs-ref-title {
    font-family: var(--font-label);
    font-weight: 800;
    color: var(--accent-primary);
    text-transform: uppercase;
}

.gs-ref-sutra {
    display: block;
    font-family: var(--font-ancient);
    font-size: 0.9rem;
    font-style: italic;
    margin: 0.25rem 0;
}

.gs-ref-desc {
    font-family: var(--font-body);
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ─── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .gs-solver-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .gs-solver-card {
        padding: 1.5rem;
    }

    .gs-equation {
        font-size: 1.5rem;
    }

    .gs-form-row {
        flex-direction: column;
    }

    .gs-history-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 480px) {
    .gs-pill-chain {
        flex-direction: column;
        align-items: flex-start;
    }

    .gs-hero-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .gs-solver-layout {
        margin-top: 2rem;
    }
}