/* Professional Signature Generator - WordPress Plugin Styles */

/* CSS Custom Properties (Design System) */
:root {
    --sg-primary: #6366f1;
    --sg-primary-glow: #a5b4fc;
    --sg-background: #f8f9fa;
    --sg-foreground: #1f2937;
    --sg-card: #ffffff;
    --sg-border: #e5e7eb;
    --sg-muted: #6b7280;
    --sg-secondary: #f3f4f6;
    --sg-success: #059669;
    --sg-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --sg-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --sg-gradient-primary: linear-gradient(135deg, #6366f1, #a5b4fc);
    --sg-gradient-hero: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a5b4fc 100%);
    --sg-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Google Fonts */
.sg-elegant { font-family: 'Dancing Script', cursive; font-weight: 600; font-style: italic; }
.sg-classic { font-family: 'Great Vibes', cursive; }
.sg-modern { font-family: 'Allura', cursive; }
.sg-script { font-family: 'Brush Script MT', cursive; font-style: italic; }

/* Container */
.sg-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    background: var(--sg-background);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

/* Header */
.sg-header {
    text-align: center;
    margin-bottom: 3rem;
}

.sg-title-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.sg-sparkles {
    font-size: 2rem;
    animation: sg-glow 2s ease-in-out infinite alternate;
}

.sg-title {
    font-size: 3rem;
    font-weight: 700;
    background: var(--sg-gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 0;
}

.sg-subtitle {
    font-size: 1.125rem;
    color: var(--sg-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Layout */
.sg-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .sg-grid {
        grid-template-columns: 1fr;
    }
    .sg-title {
        font-size: 2rem;
    }
}

/* Cards */
.sg-card {
    background: var(--sg-card);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--sg-shadow);
    border: 1px solid var(--sg-border);
}

/* Mode Selector */
.sg-mode-selector {
    display: flex;
    gap: 0.25rem;
    padding: 0.25rem;
    background: var(--sg-secondary);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.sg-mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--sg-muted);
    cursor: pointer;
    transition: var(--sg-transition);
    font-size: 0.875rem;
    font-weight: 500;
}

.sg-mode-btn.sg-mode-active {
    background: var(--sg-gradient-primary);
    color: white;
    box-shadow: var(--sg-shadow);
    transform: scale(1.02);
}

.sg-mode-btn:hover:not(.sg-mode-active) {
    background: var(--sg-card);
}

/* Content Sections */
.sg-mode-content {
    display: block;
}

.sg-mode-content.sg-hidden {
    display: none;
}

/* Name Inputs */
.sg-name-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 480px) {
    .sg-name-inputs {
        grid-template-columns: 1fr;
    }
}

.sg-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sg-label {
    font-weight: 500;
    color: var(--sg-foreground);
    font-size: 0.875rem;
}

.sg-input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--sg-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--sg-transition);
    background: var(--sg-card);
}

.sg-input:focus {
    outline: none;
    border-color: var(--sg-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Separator */
.sg-separator {
    height: 1px;
    background: var(--sg-border);
    margin: 1.5rem 0;
}

.sg-separator-vertical {
    width: 1px;
    height: 1.5rem;
    background: var(--sg-border);
}

/* Style Selection */
.sg-styles-section {
    margin-bottom: 1.5rem;
}

.sg-styles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 1rem;
}

.sg-style-card {
    padding: 1rem;
    border: 2px solid var(--sg-border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: var(--sg-transition);
    background: var(--sg-card);
}

.sg-style-card:hover {
    border-color: var(--sg-primary);
    box-shadow: var(--sg-shadow);
}

.sg-style-card.sg-style-active {
    border-color: var(--sg-primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: var(--sg-shadow);
}

.sg-style-preview {
    font-size: 1.5rem;
    color: var(--sg-primary);
    margin-bottom: 0.5rem;
    text-transform: none;
}

.sg-style-name {
    font-size: 0.75rem;
    color: var(--sg-muted);
    font-weight: 500;
}

/* Buttons */
.sg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--sg-transition);
    text-decoration: none;
}

.sg-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sg-btn-generate {
    width: 100%;
    background: var(--sg-gradient-hero);
    color: white;
    box-shadow: var(--sg-shadow);
    font-weight: 600;
}

.sg-btn-generate:hover:not(:disabled) {
    transform: scale(1.02);
    box-shadow: var(--sg-shadow-lg);
}

.sg-btn-download {
    background: var(--sg-gradient-primary);
    color: white;
    box-shadow: var(--sg-shadow);
}

.sg-btn-download:hover:not(:disabled) {
    transform: scale(1.05);
}

.sg-btn-clear {
    background: var(--sg-secondary);
    color: var(--sg-foreground);
    border: 1px solid var(--sg-border);
}

.sg-btn-clear:hover {
    background: var(--sg-card);
}

/* Draw Mode */
.sg-draw-instructions {
    text-align: center;
    padding: 2rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.sg-draw-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.sg-draw-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sg-foreground);
    margin: 0 0 0.5rem 0;
}

.sg-draw-text {
    color: var(--sg-muted);
    margin: 0;
}

/* Preview Section */
.sg-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.sg-preview-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sg-foreground);
    margin: 0;
}

/* Preview Area */
.sg-preview-area {
    background: rgba(248, 249, 250, 0.8);
    border: 2px dashed rgba(99, 102, 241, 0.3);
    border-radius: 8px;
    padding: 2rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.sg-preview-placeholder {
    text-align: center;
    color: var(--sg-muted);
}

.sg-preview-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.sg-signature-display {
    font-size: 3rem;
    color: var(--sg-primary);
    text-align: center;
    animation: sg-signature-glow 2s ease-in-out infinite alternate;
}

/* Canvas */
.sg-canvas-container {
    display: block;
}

.sg-canvas-container.sg-hidden {
    display: none;
}

.sg-canvas-tools {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--sg-secondary);
    border-radius: 8px;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.sg-color-palette {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sg-colors {
    display: flex;
    gap: 0.5rem;
}

.sg-color-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--sg-transition);
}

.sg-color-btn:hover {
    transform: scale(1.1);
}

.sg-color-btn.sg-color-active {
    border-color: var(--sg-primary);
    transform: scale(1.1);
}

.sg-brush-size {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sg-size-btn {
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--sg-border);
    background: var(--sg-card);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--sg-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.sg-size-btn:hover {
    background: var(--sg-secondary);
}

.sg-size-display {
    min-width: 1.5rem;
    text-align: center;
    font-weight: 600;
}

.sg-tool-label {
    font-size: 0.875rem;
    color: var(--sg-muted);
}

.sg-canvas-wrapper {
    background: var(--sg-card);
    border: 2px solid rgba(99, 102, 241, 0.2);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--sg-shadow);
}

#sg-signature-canvas {
    display: block;
    max-width: 100%;
    cursor: crosshair;
}

.sg-canvas-tip {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--sg-muted);
}

/* Tips */
.sg-tips {
    background: linear-gradient(180deg, #ffffff 0%, #f3f4f6 100%);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.1);
    margin-top: 1.5rem;
}

.sg-tips-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--sg-foreground);
    margin: 0 0 0.5rem 0;
}

.sg-tips-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sg-tips-list li {
    font-size: 0.75rem;
    color: var(--sg-muted);
    margin-bottom: 0.25rem;
}

/* Success Message */
.sg-success-message {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--sg-success);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--sg-shadow-lg);
    z-index: 1000;
    animation: sg-slide-in 0.3s ease-out;
}

.sg-success-message.sg-hidden {
    display: none;
}

.sg-success-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sg-success-icon {
    font-size: 1.25rem;
}

/* Utility Classes */
.sg-hidden {
    display: none !important;
}

/* Animations */
@keyframes sg-glow {
    from { filter: drop-shadow(0 0 5px rgba(99, 102, 241, 0.3)); }
    to { filter: drop-shadow(0 0 15px rgba(99, 102, 241, 0.6)); }
}

@keyframes sg-signature-glow {
    from { filter: drop-shadow(0 0 5px rgba(99, 102, 241, 0.3)); }
    to { filter: drop-shadow(0 0 15px rgba(99, 102, 241, 0.6)); }
}

@keyframes sg-slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* WordPress Theme Compatibility */
.sg-container * {
    box-sizing: border-box;
}

.sg-container h1, .sg-container h2, .sg-container h3, .sg-container h4 {
    margin-top: 0;
}

.sg-container p {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 640px) {
    .sg-container {
        padding: 1rem 0.5rem;
    }
    
    .sg-canvas-tools {
        flex-direction: column;
        align-items: stretch;
    }
    
    .sg-color-palette, .sg-brush-size {
        justify-content: center;
    }
}