:root {
    --chacc-teal: #00D2D3;
    --chacc-navy: #0B1216;
    --chacc-text: #F2F5F8;
    --chacc-card: rgba(255, 255, 255, 0.06);
    --chacc-card-border: rgba(0, 210, 211, 0.25);
    --chacc-glow: rgba(0, 210, 211, 0.2);
}

[data-theme="light"] {
    --chacc-navy: #F2F5F8;
    --chacc-text: #1A242B;
    --chacc-card: rgba(0, 0, 0, 0.03);
    --chacc-card-border: rgba(0, 210, 211, 0.4);
    --chacc-glow: rgba(0, 210, 211, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 210, 211, 0.35);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 210, 211, 0.55);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: rgba(0, 210, 211, 0.45);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 210, 211, 0.65);
}

html {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 210, 211, 0.35) transparent;
}

[data-theme="light"] html {
    scrollbar-color: rgba(0, 210, 211, 0.45) transparent;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--chacc-navy);
    color: var(--chacc-text);
    min-height: 100vh;
    padding: 1.5rem;
    background-image: radial-gradient(circle at 20% 30%, rgba(0,210,211,0.05) 0%, transparent 60%);
    transition: background 0.3s ease, color 0.3s ease;
}

[data-theme="light"] body {
    background-image: radial-gradient(circle at 20% 30%, rgba(0,210,211,0.08) 0%, transparent 60%);
}

.app-content {
    display: none;
}

.app-content.visible {
    display: block;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.logo-wrapper {
    display: flex;
    align-items: center;
}

.logo {
    width: 70px;
    height: auto;
    image-rendering: crisp-edges;
    filter: drop-shadow(0 0 12px var(--chacc-glow));
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

.theme-toggle {
    background: var(--chacc-card);
    border: 1px solid var(--chacc-card-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--chacc-teal);
}

.theme-icon {
    width: 18px;
    height: 18px;
    stroke: var(--chacc-text);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.info-btn {
    background: var(--chacc-card);
    border: 1px solid var(--chacc-card-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--chacc-teal);
    transition: transform 0.2s, border-color 0.2s;
}

.info-btn:hover {
    transform: scale(1.1);
    border-color: var(--chacc-teal);
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--chacc-teal);
    margin-bottom: 0.25rem;
}

.header h1 span {
    color: white;
}

[data-theme="light"] .header h1 span {
    color: var(--chacc-navy);
}

.subtitle {
    font-size: 0.95rem;
    color: rgba(242,245,248,0.75);
    margin-top: 0.25rem;
}

[data-theme="light"] .subtitle {
    color: rgba(26,36,43,0.65);
}

.card {
    background: var(--chacc-card);
    backdrop-filter: blur(2px);
    border: 1px solid var(--chacc-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: left;
    margin-bottom: 1.25rem;
}

.card h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--chacc-text);
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

[data-theme="light"] .card h2 {
    border-bottom-color: rgba(0,0,0,0.08);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(242,245,248,0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

[data-theme="light"] .form-group label {
    color: rgba(26,36,43,0.65);
}

.form-group input,
.form-group select {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;
    padding: 0.65rem 0.9rem;
    color: var(--chacc-text);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select {
    background: rgba(0,0,0,0.03);
    border-color: rgba(0,0,0,0.12);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--chacc-teal);
    box-shadow: 0 0 0 3px rgba(0,210,211,0.12);
}

.form-group select option {
    background: var(--chacc-navy);
    color: var(--chacc-text);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
}

.checkbox-group input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--chacc-teal);
    cursor: pointer;
}

.checkbox-group label {
    cursor: pointer;
    text-transform: none;
    font-weight: 500;
    font-size: 0.85rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.6rem;
    border-radius: 10px;
    border: none;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--chacc-teal);
    color: var(--chacc-navy);
    box-shadow: 0 4px 12px rgba(0,210,211,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,210,211,0.4);
    background: #00e6e6;
}

.btn-secondary {
    background: rgba(255,255,255,0.06);
    color: var(--chacc-text);
    border: 1px solid rgba(255,255,255,0.12);
}

[data-theme="light"] .btn-secondary {
    background: rgba(0,0,0,0.05);
    color: var(--chacc-text);
    border-color: rgba(0,0,0,0.1);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

[data-theme="light"] .btn-secondary:hover {
    background: rgba(0,0,0,0.08);
}

.actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal-backdrop.visible {
    display: flex;
}

.modal {
    background: var(--chacc-navy);
    border: 1px solid var(--chacc-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    max-width: 640px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

[data-theme="light"] .modal-header {
    border-bottom-color: rgba(0,0,0,0.08);
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--chacc-teal);
}

.modal-close {
    background: none;
    border: none;
    color: var(--chacc-text);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.modal-close:hover {
    opacity: 1;
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-body > * + * {
    margin-top: 1.25rem;
}

.report-intro {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(242,245,248,0.8);
    padding: 1.1rem;
    background: var(--chacc-card);
    border-radius: 12px;
    border: 1px solid var(--chacc-card-border);
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.result-section {
    background: var(--chacc-card);
    border: 1px solid var(--chacc-card-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-section h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--chacc-teal);
    margin-bottom: 1rem;
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 0.9rem;
}

.result-row:last-child {
    border-bottom: none;
}

.result-row .label {
    color: rgba(242,245,248,0.8);
}

[data-theme="light"] .result-row .label {
    color: rgba(26,36,43,0.65);
}

.result-row .value {
    font-weight: 600;
    color: var(--chacc-text);
    text-align: right;
}

.result-row.total .value {
    color: var(--chacc-teal);
    font-size: 1.05rem;
}

.result-row.total {
    border-top: 2px solid rgba(0,210,211,0.25);
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-bottom: none;
}

.result-section--highlight {
    border-color: rgba(0,210,211,0.4);
    background: rgba(0,210,211,0.08);
}

.report-note {
    font-size: 0.85rem;
    line-height: 1.6;
    color: rgba(242,245,248,0.6);
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border-radius: 10px;
    border-left: 3px solid rgba(0,210,211,0.4);
}

[data-theme="light"] .report-note {
    color: rgba(26,36,43,0.6);
    background: rgba(0,0,0,0.02);
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    padding-top: 0.5rem;
}

.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 900;
}

.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.footer {
    text-align: center;
    margin-top: 2rem;
    padding: 1.25rem 0;
    font-size: 0.8rem;
    color: rgba(242,245,248,0.5);
    border-top: 1px solid rgba(255,255,255,0.08);
}

[data-theme="light"] .footer {
    color: rgba(26,36,43,0.65);
    border-top-color: rgba(0,0,0,0.1);
}

.footer a {
    color: var(--chacc-teal);
    text-decoration: none;
}

.disclaimer-section {
    margin-bottom: 1.25rem;
}

.disclaimer-section h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--chacc-teal);
    margin-bottom: 0.4rem;
}

.disclaimer-section p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: rgba(242,245,248,0.8);
    text-align: justify;
}

[data-theme="light"] .disclaimer-section p {
    color: rgba(26,36,43,0.8);
}

@media (max-width: 640px) {
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }

    .whatsapp-float svg {
        width: 24px;
        height: 24px;
    }
}

@media print {
    .whatsapp-float {
        display: none !important;
    }

    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        user-select: none !important;
    }

    body {
        background: white !important;
        color: black !important;
        padding: 0;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .card, .result-section {
        background: white !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }

    .btn, .modal-backdrop, .actions, .disclaimers, .footer, .header-actions, .report-intro, .report-note {
        display: none !important;
    }

    .modal-backdrop {
        display: block !important;
        position: static;
        background: white !important;
        backdrop-filter: none !important;
    }

    .modal {
        border: none !important;
        box-shadow: none !important;
        max-height: none !important;
        overflow: visible !important;
        padding: 0 !important;
    }

    .modal-header {
        border-bottom: 1px solid #ddd !important;
    }

    .result-section--highlight {
        background: #f8fdfd !important;
        border-color: #00D2D3 !important;
    }

    .result-row.total .value {
        color: #00A3A3 !important;
    }
}