/* ==========================================================================
   Signature Generator
   ========================================================================== */

.sig-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    max-width: 72rem;
    width: 100%;
    padding: var(--spacing-md);
}

@media (max-width: 48rem) {
    .sig-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Sections */
.sig-form-section,
.sig-preview-section {
    background: var(--bg-section);
    border-radius: var(--radius-xl);
    box-shadow: 0 2px 5px var(--shadow-color);
    padding: var(--spacing-xl);
}

.sig-form-section h2,
.sig-preview-section h2 {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

/* Form fields */
.sig-field-group {
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.sig-field-group.visible,
.sig-field-group.first {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.sig-field-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.sig-field-group label i {
    font-size: 0.8rem;
    color: var(--text-muted);
    width: 1rem;
    text-align: center;
}

.sig-field-group input {
    width: 100%;
    padding: 0.7rem 0;
    font-size: 1rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    border: none;
    border-bottom: 1.5px solid var(--border-color);
    background: transparent;
    outline: none;
    transition: border-color var(--transition-normal);
}

.sig-field-group input:focus {
    border-bottom-color: var(--color-primary);
}

.sig-field-group input::placeholder {
    color: var(--text-muted);
}

/* Copy button */
.sig-btn-copy {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: var(--spacing-xl);
    padding: 0.75rem 2rem;
    font-size: 0.78rem;
    font-family: var(--font-family);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-primary);
    background: transparent;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.35s ease;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
}

.sig-btn-copy i {
    font-size: 0.85rem;
    transition: transform 0.3s ease;
}

.sig-btn-copy.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
    transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.35s ease, color 0.35s ease, background 0.35s ease;
}

.sig-btn-copy:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(6, 182, 212, 0.06);
}

.sig-btn-copy:hover i {
    transform: translateY(-1px);
}

.sig-btn-copy:active {
    transform: scale(0.98);
}

.sig-btn-copy.copied {
    border-color: #4a7c59;
    color: #4a7c59;
    background: rgba(74, 124, 89, 0.06);
}

/* Preview */
.sig-preview-card {
    position: relative;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    padding-bottom: calc(var(--spacing-xl) + 2rem);
    min-height: 200px;
    font-family: 'Segoe UI', Calibri, Arial, sans-serif;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-primary);
}

.sig-preview-copy {
    position: absolute;
    right: 0.6rem;
    bottom: 0.6rem;
    width: 1.65rem;
    height: 1.65rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 44, 119, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    color: rgba(0, 44, 119, 0.55);
    opacity: 0;
    pointer-events: none;
    transform: translateY(4px);
    transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.sig-preview-copy.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.sig-preview-copy:hover,
.sig-preview-copy:focus-visible {
    color: #002c77;
    border-color: rgba(0, 44, 119, 0.28);
    background: rgba(255, 255, 255, 0.96);
}

.sig-preview-copy:focus-visible {
    outline: 2px solid rgba(0, 44, 119, 0.22);
    outline-offset: 2px;
}

.sig-preview-copy.copied {
    color: #4a7c59;
    border-color: rgba(74, 124, 89, 0.28);
}

.sig-preview-card .sig-greeting {
    color: var(--text-primary);
    margin-bottom: 1em;
}

.sig-preview-card .sig-name {
    font-weight: 600;
    color: var(--text-primary);
}

.sig-preview-card .sig-title {
    color: var(--text-secondary);
}

.sig-preview-card .sig-address {
    color: var(--text-secondary);
    font-size: 12px;
}

.sig-preview-card .sig-phone {
    color: var(--text-secondary);
    font-size: 12px;
}

.sig-preview-card .sig-email,
.sig-preview-card .sig-web {
    font-size: 12px;
}

.sig-preview-card .sig-email a,
.sig-preview-card .sig-web a {
    color: #002c77;
    text-decoration: underline;
}

.sig-preview-card .sig-image {
    margin-top: 1em;
}

.sig-preview-card .sig-image img {
    max-width: 100%;
    height: auto;
}

.sig-preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 180px;
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* Instructions */
.sig-instructions {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.7;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.sig-instructions.visible {
    opacity: 1;
}

.sig-instructions strong {
    color: var(--text-primary);
}

/* Logo in header area */
.sig-logo-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.sig-logo-header img {
    height: 50px;
    opacity: 0.9;
}

.sig-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: 0.05em;
}