/* ============================================
   SIGNATURE STYLES
   Method Selector, Canvas, CMD, Fullscreen
   ============================================ */

/* Signature Method Selector */
.signature-method-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.method-option {
    flex: 1;
    padding: 14px 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    background: white;
}

.method-option:hover {
    border-color: var(--accent);
    background: var(--accent-light);
}

.method-option.active {
    border-color: var(--accent);
    background: var(--accent-light);
}

.method-option.active.cmd {
    border-color: var(--cmd-blue);
    background: rgba(0, 102, 204, 0.1);
}

.method-option.active.print {
    border-color: var(--success);
    background: rgba(5, 150, 105, 0.1);
}

.method-option .method-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--border-light);
}

.method-option.active .method-icon {
    background: var(--accent);
}

.method-option.active .method-icon svg {
    color: white;
}

.method-option.active.cmd .method-icon {
    background: var(--cmd-blue);
}

.method-option.active.print .method-icon {
    background: var(--success);
}

.method-option .method-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.method-option .method-desc {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Three Option Selector */
.signature-method-selector.three-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.signature-method-selector.three-options .method-option {
    padding: 12px 8px;
}

.signature-method-selector.three-options .method-name {
    font-size: 12px;
}

.signature-method-selector.three-options .method-desc {
    font-size: 10px;
}

/* Signature Draw Section */
.signature-draw-section {
    display: block;
}

.signature-draw-section.hidden {
    display: none;
}

/* Signature Canvas */
.signature-canvas-wrapper { 
    border: 2px dashed var(--border); 
    border-radius: 14px; 
    overflow: hidden; 
    background: var(--background-subtle); 
    position: relative;
    transition: all var(--transition-normal);
}

.signature-canvas-wrapper:hover {
    border-color: var(--accent);
    background: var(--accent-light);
}

#signature-canvas { 
    width: 100%; 
    height: 160px; 
    cursor: crosshair; 
    display: block; 
    touch-action: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.signature-placeholder { 
    position: absolute; 
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%); 
    color: var(--text-secondary); 
    font-size: 14px; 
    pointer-events: none; 
    opacity: 0.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.signature-placeholder svg { 
    opacity: 0.5; 
}

.signature-actions { 
    display: flex; 
    gap: 10px; 
    margin-top: 14px; 
}

/* CMD Section */
.signature-cmd-section {
    display: none;
}

.signature-cmd-section.active {
    display: block;
}

.cmd-info-box {
    background: linear-gradient(135deg, var(--cmd-blue-light) 0%, #cce0ff 100%);
    border: 1px solid var(--cmd-blue-border);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
}

.cmd-info-box h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--cmd-blue);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cmd-info-box p {
    font-size: 13px;
    color: #334155;
    line-height: 1.6;
}

.cmd-steps {
    margin-top: 12px;
    padding-left: 0;
    list-style: none;
}

.cmd-steps li {
    font-size: 12px;
    color: #475569;
    padding: 6px 0;
    padding-left: 24px;
    position: relative;
}

.cmd-steps li::before {
    content: attr(data-step);
    position: absolute;
    left: 0;
    width: 18px;
    height: 18px;
    background: var(--cmd-blue);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cmd-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255,255,255,0.2);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
}

.cmd-note {
    margin-top: 14px;
    padding: 12px;
    background: #fff8e6;
    border: 1px solid #ffd966;
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--warning-text);
}

.cmd-note strong {
    display: block;
    margin-bottom: 4px;
}

/* Print Section */
.signature-print-section {
    display: none;
}

.signature-print-section.active {
    display: block;
}

.print-info-box {
    background: linear-gradient(135deg, var(--success-light) 0%, var(--success-border) 100%);
    border: 1px solid #6ee7b7;
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-bottom: 16px;
}

.print-info-box h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--success);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.print-info-box p {
    font-size: 13px;
    color: #334155;
    line-height: 1.6;
}

.print-steps {
    margin-top: 12px;
    padding-left: 0;
    list-style: none;
}

.print-steps li {
    font-size: 12px;
    color: #475569;
    padding: 6px 0;
    padding-left: 24px;
    position: relative;
}

.print-steps li::before {
    content: attr(data-step);
    position: absolute;
    left: 0;
    width: 18px;
    height: 18px;
    background: var(--success);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Fullscreen Button */
.fullscreen-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255,255,255,0.9);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    color: var(--text-secondary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 10;
}

.fullscreen-btn:hover {
    background: var(--accent);
    color: white;
    transform: scale(1.05);
}

/* Fullscreen Action Buttons */
.fullscreen-actions {
    display: none;
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    gap: 16px;
    z-index: 10001;
}

.fullscreen-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: inherit;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.fullscreen-action-btn.clear-btn {
    background: #ef4444;
    color: white;
}

.fullscreen-action-btn.clear-btn:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.fullscreen-action-btn.undo-btn {
    background: #f59e0b;
    color: white;
}

.fullscreen-action-btn.undo-btn:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
}

/* Fullscreen Close Hint */
.fullscreen-close-hint {
    display: none;
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 14px;
    z-index: 10000;
}

/* Fullscreen Mode */
.signature-canvas-wrapper.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100% !important;
    height: 100% !important;
    z-index: var(--z-fullscreen);
    border-radius: 0;
    background: white;
    border: none;
    -webkit-overflow-scrolling: touch;
    touch-action: none;
}

.signature-canvas-wrapper.fullscreen #signature-canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.signature-canvas-wrapper.fullscreen .fullscreen-btn {
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: white;
}

.signature-canvas-wrapper.fullscreen .signature-placeholder {
    font-size: 24px;
}

.signature-canvas-wrapper.fullscreen .signature-placeholder svg {
    width: 48px;
    height: 48px;
}

/* Show fullscreen elements in fullscreen mode */
.signature-canvas-wrapper.fullscreen .fullscreen-actions {
    display: flex;
}

.signature-canvas-wrapper.fullscreen .fullscreen-close-hint {
    display: block;
}

/* Responsive */
@media (max-width: 600px) { 
    .signature-method-selector { 
        flex-direction: column; 
    }
    
    .signature-method-selector.three-options { 
        flex-direction: column; 
    }
}