/* =====================================================
   BELUN EWER - BUTTON COMPONENTS
   Version: 1.0
   Description: Button styles and variations
   ===================================================== */

/* Base button styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

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

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

/* Button variants */
.btn-primary {
    background: var(--belun-primary);
    color: white;
}

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

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
    color: var(--gray-800);
}

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

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

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

.btn-danger:hover {
    background: var(--danger-dark);
    color: white;
}

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

.btn-warning:hover {
    background: var(--warning-dark);
    color: white;
}

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

.btn-info:hover {
    background: var(--info-dark);
    color: white;
}

/* Outline variants */
.btn-outline-primary {
    background: transparent;
    color: var(--belun-primary);
    border: 2px solid var(--belun-primary);
}

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

.btn-outline-secondary {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-400);
}

.btn-outline-secondary:hover {
    background: var(--gray-700);
    color: white;
    border-color: var(--gray-700);
}

.btn-outline-success {
    background: transparent;
    color: var(--success);
    border: 2px solid var(--success);
}

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

.btn-outline-danger {
    background: transparent;
    color: var(--danger);
    border: 2px solid var(--danger);
}

.btn-outline-danger:hover {
    background: var(--danger);
    color: white;
}

/* Button sizes */
.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
}

/* Button block */
.btn-block {
    width: 100%;
}

/* Icon buttons */
.btn-icon {
    padding: var(--space-3);
    width: 40px;
    height: 40px;
}

.btn-icon.btn-sm {
    padding: var(--space-2);
    width: 32px;
    height: 32px;
}

.btn-icon.btn-lg {
    padding: var(--space-4);
    width: 48px;
    height: 48px;
}

/* Hero buttons */
.btn-hero {
    padding: 0.875rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    backdrop-filter: blur(10px);
}

.btn-hero.primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-hero.secondary {
    background: rgba(0, 0, 0, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    background: rgba(255, 255, 255, 0.3);
    color: white;
    text-decoration: none;
}

/* Action buttons */
.action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--gray-100);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

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

/* Enhanced action buttons */
.action-btn.enhanced {
    background: transparent;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    color: #718096;
    transition: var(--transition-base);
    cursor: pointer;
    font-weight: 500;
    width: auto;
    height: auto;
}

.action-btn.enhanced.active,
.action-btn.enhanced:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-1px);
}

/* Enhanced primary button */
.btn-primary.enhanced {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary.enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-base);
}

.btn-primary.enhanced:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.btn-primary.enhanced:hover::before {
    left: 100%;
}

.btn-primary.enhanced:active {
    transform: translateY(0);
}

/* Button groups */
.btn-group {
    display: inline-flex;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.btn-group .btn {
    border-radius: 0;
    border: 2px solid #e2e8f0;
    background: white;
    color: #6c757d;
    transition: var(--transition-base);
}

.btn-group .btn:not(:last-child) {
    border-right: none;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn.active,
.btn-group .btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    transform: translateY(-1px);
    z-index: 2;
}

/* Loading state */
.btn.loading {
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-radius: 50%;
    border-top-color: currentColor;
    animation: spin 0.6s linear infinite;
}

/* Floating action button */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--belun-primary);
    color: white;
    border: none;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 24px;
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.fab:active {
    transform: scale(0.95);
}