/* Biznapoa Enhanced Professional Styles */

/* ===== ROOT VARIABLES - MOBILE FIRST RESPONSIVE ===== */
:root {
    --primary-color: #4e73df;
    --primary-dark: #2e59d9;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-info: linear-gradient(135deg, #36b9cc 0%, #258391 100%);
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --border-radius: 0.5rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Responsive spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
}

/* Responsive Breakpoints */
@media (max-width: 576px) { 
    :root { 
        --container-padding: 1rem;
        --font-size-base: 0.875rem;
        --spacing-section: 2rem;
    } 
}
@media (min-width: 577px) and (max-width: 768px) { 
    :root { 
        --container-padding: 1.5rem;
        --font-size-base: 0.9rem;
        --spacing-section: 2.5rem;
    } 
}
@media (min-width: 769px) { 
    :root { 
        --container-padding: 2rem;
        --font-size-base: 1rem;
        --spacing-section: 3rem;
    } 
}

/* ===== GLOBAL STYLES ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base, 1rem);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #f8f9fc;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Responsive Container */
.container {
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Responsive Typography */
@media (max-width: 576px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    .display-1 { font-size: 2.5rem; }
    .display-2 { font-size: 2rem; }
    .display-3 { font-size: 1.75rem; }
    .display-4 { font-size: 1.5rem; }
}

@media (min-width: 577px) and (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    .display-1 { font-size: 3rem; }
    .display-2 { font-size: 2.5rem; }
    .display-3 { font-size: 2rem; }
    .display-4 { font-size: 1.75rem; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(78, 115, 223, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(78, 115, 223, 0.8);
    }
}

/* ===== ANIMATION CLASSES ===== */
.animate-fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

.animate-slide-left {
    animation: slideInLeft 0.6s ease-in-out;
}

.animate-slide-right {
    animation: slideInRight 0.6s ease-in-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-in-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* ===== ENHANCED RESPONSIVE NAVBAR ===== */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    padding: var(--spacing-sm) 0;
}

/* Mobile Navigation */
@media (max-width: 991.98px) {
    .navbar {
        padding: var(--spacing-sm) var(--container-padding);
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .navbar-toggler {
        border: none;
        padding: 0.25rem 0.5rem;
        border-radius: var(--border-radius);
        transition: var(--transition);
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
    }
    
    .navbar-collapse {
        background: white;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
        margin-top: var(--spacing-md);
        padding: var(--spacing-md);
        border: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--border-radius);
        margin: var(--spacing-xs) 0;
        transition: var(--transition);
    }
    
    .nav-link:hover {
        background: var(--light-color);
        transform: translateX(5px);
    }
    
    .dropdown-menu {
        border: none;
        box-shadow: var(--shadow);
        border-radius: var(--border-radius);
        margin-top: var(--spacing-sm);
    }
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

/* ===== ENHANCED RESPONSIVE CARDS ===== */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
    margin-bottom: var(--spacing-lg);
}

/* Mobile Card Adjustments */
@media (max-width: 576px) {
    .card {
        margin-bottom: var(--spacing-md);
        border-radius: var(--border-radius);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .card-header {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .card-footer {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Tablet Card Adjustments */
@media (min-width: 577px) and (max-width: 768px) {
    .card {
        margin-bottom: var(--spacing-lg);
    }
    
    .card-body {
        padding: var(--spacing-lg);
    }
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, #f8f9fc 0%, #e3e6f0 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    font-weight: 600;
}

/* ===== ENHANCED MODULE CARDS ===== */
.module-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.module-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.module-card:hover .card-image img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(78, 115, 223, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.module-card:hover .card-overlay {
    opacity: 1;
}

.card-overlay i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Mobile Module Cards */
@media (max-width: 768px) {
    .card-image {
        height: 150px;
    }
    
    .module-card:hover {
        transform: translateY(-5px);
    }
}

/* ===== ENHANCED BUTTONS ===== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
}

.btn::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);
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* ===== ENHANCED FORMS ===== */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid #e3e6f0;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
    background: white;
    transform: translateY(-1px);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* ===== ENHANCED HERO SECTIONS ===== */
.hero-section {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

/* Enhanced Hero Background */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
    z-index: 3;
}

.hero-content {
    position: relative;
    z-index: 4;
}

.hero-image-container {
    position: relative;
    z-index: 4;
}

.hero-image-wrapper {
    position: relative;
    display: inline-block;
}

.hero-main-image {
    max-width: 100%;
    height: auto;
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.hero-main-image:hover {
    transform: scale(1.02);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.25rem;
}

.card-1 {
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 30%;
    left: -15%;
    animation-delay: 1s;
}

.card-3 {
    top: 60%;
    right: -5%;
    animation-delay: 2s;
}

.hero-stats {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-item h3 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.stat-item small {
    opacity: 0.8;
    font-size: 0.875rem;
}

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

/* Mobile Hero Adjustments */
@media (max-width: 768px) {
    .hero-section {
        min-height: 80vh;
        text-align: center;
    }
    
    .hero-stats {
        margin: 1rem 0;
        padding: 1rem;
    }
    
    .stat-item h3 {
        font-size: 1.5rem;
    }
    
    .floating-card {
        display: none;
    }
    
    .hero-main-image {
        max-width: 90%;
        margin-top: 2rem;
    }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* ===== ENHANCED STATISTICS CARDS ===== */
.stats-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.stats-card:hover::before {
    transform: scaleX(1);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stats-card-secondary {
    background: linear-gradient(135deg, #f8f9fc 0%, #e3e6f0 100%);
}

/* ===== ENHANCED SIDEBAR ===== */
.sidebar {
    background: white;
    box-shadow: var(--shadow);
    min-height: 100vh;
    transition: var(--transition);
}

.sidebar .nav-link {
    color: var(--secondary-color);
    padding: 0.75rem 1rem;
    margin-bottom: 0.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.sidebar .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: var(--transition);
}

.sidebar .nav-link:hover::before,
.sidebar .nav-link.active::before {
    transform: scaleY(1);
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: var(--primary-color);
    background: rgba(78, 115, 223, 0.1);
    transform: translateX(5px);
}

/* ===== ENHANCED TABLES ===== */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(78, 115, 223, 0.05);
    transform: scale(1.01);
}

/* ===== ENHANCED BADGES ===== */
.badge {
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== ENHANCED PROGRESS BARS ===== */
.progress {
    height: 8px;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.progress-bar {
    background: var(--gradient-primary);
    transition: var(--transition);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: 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%);
    background-size: 1rem 1rem;
    animation: progress-stripes 1s linear infinite;
}

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

/* ===== ENHANCED ALERTS ===== */
.alert {
    border: none;
    border-radius: var(--border-radius);
    border-left: 4px solid;
    box-shadow: var(--shadow-sm);
    animation: slideInLeft 0.5s ease-in-out;
}

.alert-success {
    border-left-color: var(--success-color);
    background: linear-gradient(135deg, rgba(28, 200, 138, 0.1) 0%, rgba(28, 200, 138, 0.05) 100%);
}

.alert-danger {
    border-left-color: var(--danger-color);
    background: linear-gradient(135deg, rgba(231, 74, 59, 0.1) 0%, rgba(231, 74, 59, 0.05) 100%);
}

.alert-warning {
    border-left-color: var(--warning-color);
    background: linear-gradient(135deg, rgba(246, 194, 62, 0.1) 0%, rgba(246, 194, 62, 0.05) 100%);
}

.alert-info {
    border-left-color: var(--info-color);
    background: linear-gradient(135deg, rgba(54, 185, 204, 0.1) 0%, rgba(54, 185, 204, 0.05) 100%);
}

/* ===== ENHANCED MODALS ===== */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease-in-out;
}

.modal-header {
    background: var(--gradient-primary);
    color: white;
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* ===== ENHANCED FOOTER ===== */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

footer .container {
    position: relative;
    z-index: 2;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 250px;
        height: 100vh;
        z-index: 1000;
        transition: var(--transition);
    }
    
    .sidebar.show {
        left: 0;
    }
}

/* ===== LOADING ANIMATIONS ===== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.hover-glow {
    transition: var(--transition);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(78, 115, 223, 0.5);
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===== UTILITY CLASSES ===== */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-success {
    background: var(--gradient-success);
}

.bg-gradient-warning {
    background: var(--gradient-warning);
}

.shadow-custom {
    box-shadow: var(--shadow);
}

.shadow-lg-custom {
    box-shadow: var(--shadow-lg);
}

.border-radius-custom {
    border-radius: var(--border-radius);
}

.transition-custom {
    transition: var(--transition);
}

/* ===== NOTIFICATION SYSTEM ===== */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    max-width: 500px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: var(--transition);
    border-left: 4px solid;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-left-color: var(--success-color);
}

.notification-error {
    border-left-color: var(--danger-color);
}

.notification-warning {
    border-left-color: var(--warning-color);
}

.notification-info {
    border-left-color: var(--info-color);
}

.notification-content {
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.notification-content i {
    font-size: 1.25rem;
}

.notification-success .notification-content i {
    color: var(--success-color);
}

.notification-error .notification-content i {
    color: var(--danger-color);
}

.notification-warning .notification-content i {
    color: var(--warning-color);
}

.notification-info .notification-content i {
    color: var(--info-color);
}

.notification-content span {
    flex: 1;
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #6c757d;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.notification-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: #000;
}

/* ===== LOADING STATES ===== */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    border-radius: var(--border-radius);
}

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

.loading-spinner .loading {
    margin-bottom: 1rem;
}

.loading-spinner p {
    margin: 0;
    font-weight: 500;
    color: var(--primary-color);
}

/* ===== RIPPLE EFFECT ===== */
.btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-in-out;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===== ENHANCED NAVBAR SCROLL ===== */
.navbar {
    transition: var(--transition);
}

.navbar-scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

/* ===== IMAGE PLACEHOLDERS ===== */
.image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    background: #f8f9fc;
    border-radius: var(--border-radius);
    color: #6c757d;
}

/* ===== ENHANCED FORM VALIDATION ===== */
.form-control.is-valid {
    border-color: var(--success-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%231cc88a' d='m2.3 6.73.94-.94 1.44-1.44'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23e74a3b'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4 1.4-1.4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

/* ===== ENHANCED MOBILE RESPONSIVENESS ===== */
@media (max-width: 768px) {
    .notification {
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: none;
    }
    
    .navbar-collapse {
        background: white;
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
        margin-top: 1rem;
        padding: 1rem;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 1050;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .sidebar-backdrop.show {
        opacity: 1;
        visibility: visible;
    }
}

/* ===== MOBILE SPECIFIC STYLES ===== */
.mobile-device {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.touch-active {
    transform: scale(0.95);
    opacity: 0.8;
}

/* Mobile Form Optimizations */
@media (max-width: 768px) {
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.75rem;
    }
    
    .btn {
        min-height: 44px; /* Touch-friendly button size */
        padding: 0.75rem 1.5rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-content {
        border-radius: 0.5rem;
    }
}

/* Mobile Navigation Enhancements */
@media (max-width: 991.98px) {
    .navbar-collapse {
        max-height: 80vh;
        overflow-y: auto;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .dropdown-menu {
        position: static !important;
        float: none;
        width: 100%;
        margin-top: 0;
        background-color: rgba(0, 0, 0, 0.05);
        border: none;
        box-shadow: none;
    }
}

/* Mobile Image Optimizations */
@media (max-width: 768px) {
    img {
        max-width: 100%;
        height: auto;
    }
    
    .hero-main-image {
        max-width: 90%;
        margin: 1rem auto;
    }
    
    .floating-card {
        display: none;
    }
}

/* Mobile Typography */
@media (max-width: 576px) {
    .display-1 { font-size: 2rem; }
    .display-2 { font-size: 1.75rem; }
    .display-3 { font-size: 1.5rem; }
    .display-4 { font-size: 1.25rem; }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.375rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.875rem; }
    
    .lead {
        font-size: 1rem;
    }
}

/* Mobile Spacing */
@media (max-width: 768px) {
    .py-5 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
    .py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
    .my-5 { margin-top: 2rem !important; margin-bottom: 2rem !important; }
    .my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }
}

/* Mobile Grid Adjustments */
@media (max-width: 576px) {
    .col-lg-4,
    .col-lg-6,
    .col-md-4,
    .col-md-6 {
        margin-bottom: 1rem;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .sidebar,
    .btn,
    .notification,
    .loading-overlay {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}