:root {
    --primary-color: #003366;
    --primary-hover: #002244;
    --accent-color: #0076CE;
    --bg-color: #F3F4F6;
    --card-bg: #FFFFFF;
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --border-color: #E5E7EB;
    --focus-ring: rgba(0, 118, 206, 0.25);
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 24px 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-size: 1.1rem;
}

.card-container {
    background: var(--card-bg);
    width: 100%;
    max-width: 700px;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    padding: 36px;
    position: relative;
}

.logo-wrapper {
    text-align: center;
    margin-bottom: 24px;
}

.brand-logo {
    max-width: 210px;
    height: auto;
}

.page-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 24px;
}

.page-title .translation {
    font-weight: 400;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.agreement-box {
    background: #F8FAFC;
    border-left: 4px solid var(--accent-color);
    padding: 20px 24px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.agreement-lead {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.agreement-bullets {
    list-style-type: none;
    padding-left: 0;
}

.agreement-bullets li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    position: relative;
    padding-left: 18px;
}

.agreement-bullets li::before {
    content: "•";
    position: absolute;
    left: 4px;
    color: var(--accent-color);
    font-weight: bold;
}

.agreement-bullets a {
    color: var(--accent-color);
    text-decoration: underline;
}

.form-grid {
    display: grid;
    grid-template-columns: 2fr 2fr 1.2fr;
    gap: 16px;
    margin-bottom: 20px;
}

@media (max-width: 600px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .full-width-mobile {
        grid-column: 1 / -1;
    }
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label, .sig-section-label {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.label-es, .tab-es, .btn-es {
    font-weight: 400;
    color: var(--text-secondary);
}

.input-group input[type="text"],
.input-group input[type="email"] {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1.1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

.disclosure-box {
    background-color: #FFFBEB;
    border: 1px solid #FDE68A;
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.disclosure-box h3 {
    font-size: 1.15rem;
    color: #92400E;
    margin-bottom: 8px;
}

.disclosure-en {
    font-size: 1.0rem;
    color: #78350F;
    margin-bottom: 0;
}

.disclosure-es {
    font-size: 0.85rem;
    color: #92400E;
    font-style: italic;
}

.disclosure-box a {
    color: var(--accent-color);
    text-decoration: underline;
}

.signature-section {
    margin-bottom: 28px;
}

.tabs-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: #F3F4F6;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn.active {
    background: var(--primary-color);
    color: #FFFFFF;
    border-color: var(--primary-color);
}

.tab-btn.active .tab-es {
    color: rgba(255, 255, 255, 0.8);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.canvas-wrapper {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background: #FFFFFF;
    position: relative;
}

#signature-pad {
    width: 100%;
    height: 180px;
    border-radius: 6px;
    touch-action: none;
    cursor: crosshair;
}

.canvas-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
}

.action-btn {
    padding: 6px 14px;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
}

.action-btn.outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.action-btn.outline:hover {
    background: #F9FAFB;
    color: #EF4444;
    border-color: #FCA5A5;
}

.cursive-preview {
    font-family: 'Dancing Script', cursive;
    font-size: 2.2rem;
    color: var(--primary-color);
    text-align: center;
    padding: 24px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background: #FAFAFA;
    margin-top: 10px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.primary-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--primary-color);
    color: white;
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 4px 12px rgba(0, 51, 102, 0.2);
}

.primary-btn:hover {
    background-color: var(--primary-hover);
}

.primary-btn:active {
    transform: scale(0.99);
}

/* Modal Overlay */
.overlay-modal {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.overlay-modal.hidden {
    display: none;
}

.spinner-container {
    text-align: center;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.status-msg {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.05rem;
}