/* Component Styles - Buttons, Cards, Forms, etc. */

/* Buttons */
.btn {
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    white-space: nowrap;
    min-height: 36px;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--surface-light);
    color: var(--text);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--surface-hover);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    padding: var(--space-sm);
    width: 36px;
    height: 36px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Sample Images */
.sample-image {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    background: var(--surface-light);
}

.sample-image:hover {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.sample-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Filter Buttons */
.filter-button {
    padding: var(--space-md);
    background: var(--surface-light);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-sm);
    font-weight: 500;
    text-align: center;
    min-height: 44px;
}

.filter-button:hover {
    background: var(--primary);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-button.active {
    background: var(--primary);
    border-color: var(--primary-light);
}

/* Preset Buttons */
.preset-button {
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--text-sm);
    font-weight: 600;
    text-align: center;
    min-height: 44px;
}

.preset-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.1);
}

/* Sliders */
.slider-control {
    margin-bottom: var(--space-md);
}

.slider-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.slider-value {
    color: var(--primary-light);
    font-weight: 600;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: var(--radius-sm);
    background: var(--surface-light);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--primary-light);
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

input[type="range"]::-moz-range-thumb:hover {
    background: var(--primary-light);
    transform: scale(1.2);
}

input[type="range"]:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Loading Spinner */
.loading {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.loading.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--surface-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--surface);
    color: var(--text);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: none;
    align-items: center;
    gap: var(--space-md);
    z-index: var(--z-toast);
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

.toast.active {
    display: flex;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--error);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    padding: var(--space-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-xl);
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.modal-body {
    margin-bottom: var(--space-lg);
}

.modal-footer {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

select, input[type="text"], input[type="number"] {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-size: var(--text-sm);
    transition: border-color var(--transition-fast);
}

select:focus, input:focus {
    outline: none;
    border-color: var(--primary);
}

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

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

.w-full {
    width: 100%;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }