/* GST Calculator - Tool Styles */
/* All classes prefixed with gc- to avoid collisions */

/* Calculator Section */
.gc-calculator-section {
    padding: 40px 0 80px;
}

.gc-calculator-section .container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Reveal Animation */
.gc-reveal {
    animation: gcReveal 0.4s ease-out;
}

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

/* Card Container */
.gc-card {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e2e0dc);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.gc-card h2 {
    font-family: 'Bricolage Grotesque', serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary, #1a1715);
    margin-bottom: 8px;
}

.gc-card h2 + p {
    color: var(--text-secondary, #6b6560);
    margin-bottom: 32px;
    font-size: 15px;
}

/* Form Layout */
.gc-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.gc-form-grid .gc-form-full {
    grid-column: 1 / -1;
}

.gc-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.gc-form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #1a1715);
}

.gc-form-group label .gc-required {
    color: var(--primary, #f1643f);
}

.gc-form-group input[type="text"] {
    padding: 10px 14px;
    border: 1px solid var(--border-color, #e2e0dc);
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Hanken Grotesk', sans-serif;
    color: var(--text-primary, #1a1715);
    background: var(--bg-card, #fff);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    width: 100%;
    box-sizing: border-box;
}

.gc-form-group input[type="text"]:focus {
    border-color: var(--primary, #f1643f);
    box-shadow: 0 0 0 3px rgba(241, 100, 63, 0.1);
}

/* Amount Input */
.gc-amount-input-wrap {
    position: relative;
}

.gc-amount-input-wrap .gc-currency-symbol {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary, #6b6560);
    pointer-events: none;
}

.gc-amount-input-wrap input {
    padding-left: 32px !important;
    font-size: 18px !important;
    font-weight: 600;
    font-family: 'Bricolage Grotesque', serif !important;
    letter-spacing: 0.5px;
}

/* Rate Selector Chips */
.gc-rate-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.gc-rate-chip {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--border-color, #e2e0dc);
    color: var(--text-secondary, #6b6560);
    background: var(--bg-card, #fff);
    transition: all 0.2s ease;
    user-select: none;
    font-family: 'Hanken Grotesk', sans-serif;
}

.gc-rate-chip:hover {
    border-color: var(--primary, #f1643f);
    color: var(--primary, #f1643f);
}

.gc-rate-chip.active {
    background: var(--primary, #f1643f);
    border-color: var(--primary, #f1643f);
    color: #fff;
}

/* Toggle Switch */
.gc-toggle-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.gc-toggle {
    position: relative;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.gc-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.gc-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border-color, #d1d0cc);
    border-radius: 26px;
    transition: background 0.3s ease;
}

.gc-toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.gc-toggle input:checked + .gc-toggle-slider {
    background: var(--primary, #f1643f);
}

.gc-toggle input:checked + .gc-toggle-slider::before {
    transform: translateX(22px);
}

.gc-toggle-labels {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.gc-toggle-label-active {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #1a1715);
}

.gc-toggle-label-desc {
    font-size: 12px;
    color: var(--text-secondary, #6b6560);
}

/* Buttons */
.gc-btn-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    gap: 16px;
}

.gc-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--primary, #f1643f);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Hanken Grotesk', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
}

.gc-btn-primary:hover {
    background: #d4532f;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(241, 100, 63, 0.3);
}

.gc-btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.gc-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: transparent;
    color: var(--text-primary, #1a1715);
    border: 1px solid var(--border-color, #e2e0dc);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'Hanken Grotesk', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
}

.gc-btn-secondary:hover {
    border-color: var(--text-secondary, #6b6560);
    background: rgba(0, 0, 0, 0.02);
}

/* Results Card */
.gc-results-card {
    margin-top: 32px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #e2e0dc);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.gc-results-header {
    padding: 24px 32px;
    background: var(--primary, #f1643f);
    color: #fff;
    text-align: center;
}

.gc-results-header h3 {
    font-family: 'Bricolage Grotesque', serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.gc-results-header p {
    font-size: 13px;
    opacity: 0.9;
}

.gc-results-body {
    padding: 32px;
}

.gc-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color, #e2e0dc);
}

.gc-result-row:last-of-type {
    border-bottom: none;
}

.gc-result-row.gc-result-total {
    border-top: 2px solid var(--text-primary, #1a1715);
    border-bottom: none;
    margin-top: 8px;
    padding-top: 18px;
}

.gc-result-label {
    font-size: 14px;
    color: var(--text-secondary, #6b6560);
    font-weight: 500;
}

.gc-result-label.gc-result-total-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary, #1a1715);
}

.gc-result-value {
    font-family: 'Bricolage Grotesque', serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary, #1a1715);
}

.gc-result-value.gc-result-total-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary, #f1643f);
}

.gc-result-value.gc-tax-value {
    color: #16a34a;
}

/* Visual Proportion Bar */
.gc-proportion-bar-wrap {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color, #e2e0dc);
}

.gc-proportion-bar-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary, #6b6560);
    margin-bottom: 10px;
}

.gc-proportion-bar {
    display: flex;
    height: 36px;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.04);
}

.gc-bar-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    transition: width 0.6s ease-out;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
}

.gc-bar-original {
    background: #3b82f6;
}

.gc-bar-cgst {
    background: #8b5cf6;
}

.gc-bar-sgst {
    background: #a78bfa;
}

.gc-bar-igst {
    background: #8b5cf6;
}

.gc-proportion-legend {
    display: flex;
    gap: 20px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.gc-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary, #6b6560);
}

.gc-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

.gc-legend-dot.original { background: #3b82f6; }
.gc-legend-dot.cgst { background: #8b5cf6; }
.gc-legend-dot.sgst { background: #a78bfa; }
.gc-legend-dot.igst { background: #8b5cf6; }

/* Results Actions */
.gc-results-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color, #e2e0dc);
}

/* Copy Feedback */
.gc-copy-feedback {
    font-size: 12px;
    color: #16a34a;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.2s ease;
    margin-left: 8px;
}

.gc-copy-feedback.visible {
    opacity: 1;
}

/* ===== SEO CONTENT ===== */
.gc-seo-content {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.02);
}

.gc-seo-content h2 {
    font-family: 'Bricolage Grotesque', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary, #1a1715);
    margin-bottom: 12px;
    text-align: center;
}

.gc-seo-content > .container > p {
    text-align: center;
    color: var(--text-secondary, #6b6560);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.7;
    font-size: 15px;
}

.gc-seo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.gc-seo-card {
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color, #e2e0dc);
    background: var(--bg-card, #fff);
}

.gc-seo-card h3 {
    font-family: 'Bricolage Grotesque', serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary, #1a1715);
}

.gc-seo-card p {
    font-size: 14px;
    color: var(--text-secondary, #6b6560);
    line-height: 1.6;
    margin: 0;
}

/* ===== FAQ SECTION ===== */
.gc-faq-section {
    padding: 80px 0;
}

.gc-faq-section h2 {
    font-family: 'Bricolage Grotesque', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary, #1a1715);
    margin-bottom: 8px;
    text-align: center;
}

.gc-faq-section > .container > p {
    text-align: center;
    color: var(--text-secondary, #6b6560);
    margin-bottom: 40px;
    font-size: 15px;
}

.gc-faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gc-faq-item {
    border: 1px solid var(--border-color, #e2e0dc);
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-card, #fff);
}

.gc-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: 'Hanken Grotesk', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary, #1a1715);
    transition: background 0.2s ease;
}

.gc-faq-question:hover {
    background: rgba(0, 0, 0, 0.02);
}

.gc-faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--text-secondary, #6b6560);
    transition: transform 0.2s ease;
}

.gc-faq-item.open .gc-faq-chevron {
    transform: rotate(180deg);
}

.gc-faq-answer {
    display: none;
    padding: 0 24px 18px;
}

.gc-faq-item.open .gc-faq-answer {
    display: block;
}

.gc-faq-answer p {
    font-size: 14px;
    color: var(--text-secondary, #6b6560);
    line-height: 1.7;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 809px) {
    .gc-card {
        padding: 24px 20px;
    }

    .gc-form-grid {
        grid-template-columns: 1fr;
    }

    .gc-btn-row {
        flex-direction: column-reverse;
    }

    .gc-btn-primary,
    .gc-btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .gc-seo-grid {
        grid-template-columns: 1fr;
    }

    .gc-results-body {
        padding: 24px 20px;
    }

    .gc-results-header {
        padding: 20px 24px;
    }

    .gc-results-actions {
        flex-direction: column;
    }

    .gc-proportion-legend {
        gap: 12px;
    }

    .gc-toggle-group {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .gc-calculator-section {
        padding: 0 0 48px;
    }

    .gc-card {
        padding: 20px 16px;
        border-radius: 12px;
    }

    .gc-card h2 {
        font-size: 20px;
    }

    .gc-rate-chips {
        gap: 6px;
    }

    .gc-rate-chip {
        padding: 6px 16px;
        font-size: 13px;
    }

    .gc-result-value {
        font-size: 16px;
    }

    .gc-result-value.gc-result-total-value {
        font-size: 20px;
    }

    .gc-results-body {
        padding: 20px 16px;
    }

    .gc-seo-content {
        padding: 48px 0;
    }

    .gc-seo-content h2 {
        font-size: 22px;
    }

    .gc-faq-section {
        padding: 48px 0;
    }

    .gc-faq-section h2 {
        font-size: 22px;
    }

    .gc-faq-question {
        padding: 14px 18px;
        font-size: 14px;
    }

    .gc-faq-answer {
        padding: 0 18px 14px;
    }
}