/**
 * Button Components
 */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Primary Button */
.btn-primary {
    background: var(--color-accent);
    color: #ffffff;
    box-shadow: 0 2px 10px var(--color-accent-glow);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-accent-hover);
    box-shadow: 0 4px 20px var(--color-accent-glow);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

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

/* Danger Button */
.btn-danger {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid transparent;
}

.btn-danger:hover:not(:disabled) {
    background: var(--color-error);
    color: #ffffff;
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-surface);
    color: var(--color-text-primary);
}

/* Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-sm svg {
    width: 14px;
    height: 14px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* Button with loader */
.btn-loader {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-loader .spinner {
    width: 18px;
    height: 18px;
    animation: spin 0.8s linear infinite;
}

/* Quick Action Buttons */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-action-btn:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.quick-action-btn svg {
    width: 24px;
    height: 24px;
}

/* Success Button */
.btn-success {
    background: #10b981;
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
    background: #059669;
}

/* Danger solid button */
.btn-danger-solid {
    background: #ef4444;
    color: #ffffff;
}

.btn-danger-solid:hover:not(:disabled) {
    background: #dc2626;
}

/* Small spinner for buttons */
.spinner-sm {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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