/**
 * Enhanced Styles CSS
 * Modern styling and animations for the Barnawa Rahma Cooperative Society application
 */

/* Root Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    --danger-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    --glass-bg: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --glass-border: rgba(255,255,255,0.1);
    --shadow-light: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-medium: 0 12px 40px rgba(0,0,0,0.15);
    --shadow-heavy: 0 20px 60px rgba(0,0,0,0.2);
    --border-radius: 20px;
    --border-radius-sm: 12px;
    --border-radius-lg: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.6s ease;
}

/* Enhanced Glass Morphism */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.glass-effect-strong {
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.1) 100%);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

/* Modern Button Styles */
.btn-modern {
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--border-radius-sm);
    color: white;
    font-weight: 600;
    padding: 12px 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-modern::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: left 0.5s;
}

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

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

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

/* Gradient Buttons */
.btn-gradient-primary {
    background: var(--primary-gradient);
    border: none;
    color: white;
}

.btn-gradient-secondary {
    background: var(--secondary-gradient);
    border: none;
    color: white;
}

.btn-gradient-success {
    background: var(--success-gradient);
    border: none;
    color: white;
}

.btn-gradient-warning {
    background: var(--warning-gradient);
    border: none;
    color: #333;
}

.btn-gradient-danger {
    background: var(--danger-gradient);
    border: none;
    color: white;
}

/* Enhanced Cards */
.card-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    overflow: hidden;
}

.card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.card-modern .card-header {
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.1) 100%);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    border: none;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    z-index: 1000;
}

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

/* Enhanced Form Controls */
.form-control-modern {
    background: rgba(255,255,255,0.1);
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    color: white;
    padding: 12px 16px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.form-control-modern:focus {
    background: rgba(255,255,255,0.15);
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    color: white;
}

.form-control-modern::placeholder {
    color: rgba(255,255,255,0.6);
}

/* Animated Backgrounds */
.animated-bg {
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Floating Elements */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Particle Background */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Enhanced Tables */
.table-modern {
    background: transparent;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.table-modern thead th {
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.1) 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 1.2rem 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.table-modern tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition-fast);
}

.table-modern tbody tr:hover {
    background: rgba(255,255,255,0.05);
    transform: scale(1.01);
}

.table-modern tbody td {
    border: none;
    padding: 1rem;
    vertical-align: middle;
}

/* Progress Bars */
.progress-modern {
    height: 8px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    overflow: hidden;
    position: relative;
}

.progress-modern .progress-bar {
    background: var(--primary-gradient);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.progress-modern .progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: progressStripes 1s linear infinite;
}

@keyframes progressStripes {
    0% { background-position: 1rem 0; }
    100% { background-position: 0 0; }
}

/* Badges */
.badge-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.badge-gradient {
    background: var(--primary-gradient);
    border: none;
    color: white;
}

/* Loading Animations */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: loadingDots 1.5s steps(4, end) infinite;
}

@keyframes loadingDots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

.spinner-modern {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.1);
    border-left: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Tooltip Enhancements */
.tooltip-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: white;
    padding: 8px 12px;
    font-size: 0.875rem;
    box-shadow: var(--shadow-light);
}

/* Modal Enhancements */
.modal-modern .modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    color: white;
}

.modal-modern .modal-header {
    border-bottom: 1px solid var(--glass-border);
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
}

.modal-modern .modal-footer {
    border-top: 1px solid var(--glass-border);
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
}

/* Sidebar Enhancements */
.sidebar-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    border-right: 1px solid var(--glass-border);
    box-shadow: var(--shadow-medium);
}

.sidebar-modern .nav-link {
    color: rgba(255,255,255,0.8);
    border-radius: var(--border-radius-sm);
    margin: 0.25rem 0;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.sidebar-modern .nav-link:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    transform: translateX(5px);
}

.sidebar-modern .nav-link.active {
    background: var(--primary-gradient);
    color: white;
}

/* Navbar Enhancements */
.navbar-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-light);
}

.navbar-modern .navbar-brand {
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dropdown Enhancements */
.dropdown-menu-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-medium);
    padding: 0.5rem 0;
}

.dropdown-menu-modern .dropdown-item {
    color: rgba(255,255,255,0.8);
    padding: 0.5rem 1rem;
    transition: var(--transition-fast);
}

.dropdown-menu-modern .dropdown-item:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

/* Alert Enhancements */
.alert-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: white;
    border-left: 4px solid #667eea;
}

.alert-modern.alert-success {
    border-left-color: #28a745;
}

.alert-modern.alert-warning {
    border-left-color: #ffc107;
}

.alert-modern.alert-danger {
    border-left-color: #dc3545;
}

.alert-modern.alert-info {
    border-left-color: #17a2b8;
}

/* Breadcrumb Enhancements */
.breadcrumb-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
}

.breadcrumb-modern .breadcrumb-item {
    color: rgba(255,255,255,0.7);
}

.breadcrumb-modern .breadcrumb-item.active {
    color: white;
}

.breadcrumb-modern .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255,255,255,0.5);
}

/* Pagination Enhancements */
.pagination-modern .page-link {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: rgba(255,255,255,0.8);
    margin: 0 2px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.pagination-modern .page-link:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    transform: translateY(-2px);
}

.pagination-modern .page-item.active .page-link {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .card-modern:hover {
        transform: none;
    }
    
    .fab {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .sidebar-modern .nav-link:hover {
        transform: none;
    }
}

/* Dark/Light Theme Adjustments */
[data-theme="light"] {
    --glass-bg: rgba(255,255,255,0.9);
    --glass-border: rgba(0,0,0,0.1);
    --shadow-light: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-medium: 0 12px 40px rgba(0,0,0,0.15);
    --shadow-heavy: 0 20px 60px rgba(0,0,0,0.2);
}

[data-theme="light"] .form-control-modern {
    background: rgba(0,0,0,0.05);
    color: #333;
}

[data-theme="light"] .form-control-modern::placeholder {
    color: #666;
}

[data-theme="light"] .table-modern thead th,
[data-theme="light"] .sidebar-modern .nav-link,
[data-theme="light"] .dropdown-menu-modern .dropdown-item,
[data-theme="light"] .breadcrumb-modern .breadcrumb-item,
[data-theme="light"] .pagination-modern .page-link,
[data-theme="light"] .alert-modern {
    color: #333;
}

[data-theme="light"] .navbar-modern .navbar-brand {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Print Styles */
@media print {
    .glass-effect,
    .glass-effect-strong,
    .card-modern,
    .modal-modern .modal-content {
        background: white !important;
        backdrop-filter: none !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
    
    .btn-modern,
    .btn-gradient-primary,
    .btn-gradient-secondary,
    .btn-gradient-success,
    .btn-gradient-warning,
    .btn-gradient-danger {
        background: #333 !important;
        color: white !important;
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus Styles */
.btn-modern:focus,
.form-control-modern:focus,
.sidebar-modern .nav-link:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .glass-effect,
    .glass-effect-strong,
    .card-modern {
        background: white;
        border: 2px solid #000;
    }
    
    .btn-modern {
        background: #000;
        border: 2px solid #000;
        color: white;
    }
}