/**
 * Global UI/UX Improvements for All Website Themes
 * This file contains modern CSS enhancements for better user experience
 */

/* ============================================
   GLOBAL IMPROVEMENTS
   ============================================ */

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Focus Visible for Accessibility */
*:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ============================================
   TYPOGRAPHY IMPROVEMENTS
   ============================================ */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

/* ============================================
   BUTTON IMPROVEMENTS
   ============================================ */

.btn,
button,
input[type="submit"],
input[type="button"] {
    transition: all 0.3s ease;
    cursor: pointer;
    border-radius: 6px;
    font-weight: 500;
    padding: 10px 20px;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn:hover,
button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:active,
button:active,
input[type="submit"]:active,
input[type="button"]:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5568d3 0%, #653a91 100%);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

/* ============================================
   FORM INPUT IMPROVEMENTS
   ============================================ */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #fff;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input[type="text"]:hover,
input[type="email"]:hover,
input[type="password"]:hover,
input[type="tel"]:hover,
input[type="number"]:hover,
textarea:hover,
select:hover {
    border-color: #b0b0b0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

/* ============================================
   CARD IMPROVEMENTS
   ============================================ */

.card,
.widget-item,
.icon-box-item {
    transition: all 0.3s ease;
    border-radius: 8px;
    overflow: hidden;
}

.card:hover,
.widget-item:hover,
.icon-box-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ============================================
   NAVIGATION IMPROVEMENTS
   ============================================ */

.nav,
.main-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav li,
.main-menu li {
    position: relative;
}

.nav a,
.main-menu a {
    display: block;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.nav a:hover,
.main-menu a:hover {
    color: #667eea;
    background-color: rgba(102, 126, 234, 0.05);
}

/* Dropdown Menu Improvements */
.has-submenu .submenu-nav {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 6px;
    z-index: 1000;
    min-width: 200px;
    padding: 8px 0;
}

.has-submenu:hover .submenu-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu-nav li {
    margin: 0;
}

.submenu-nav a {
    padding: 10px 20px;
}

.submenu-nav a:hover {
    background-color: #f5f5f5;
}

/* ============================================
   MOBILE RESPONSIVE IMPROVEMENTS
   ============================================ */

@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 24px;
    }

    h3 {
        font-size: 20px;
    }

    .btn,
    button {
        padding: 12px 24px;
        font-size: 16px;
        width: 100%;
        max-width: 100%;
    }

    /* Mobile Navigation */
    .main-menu {
        flex-direction: column;
    }

    .main-menu li {
        width: 100%;
        border-bottom: 1px solid #e0e0e0;
    }

    .has-submenu .submenu-nav {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f9f9f9;
        margin-left: 15px;
    }
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #667eea;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */

.btn-scroll-top,
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-scroll-top.visible,
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.btn-scroll-top:hover,
.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .btn-scroll-top,
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* ============================================
   IMAGE IMPROVEMENTS
   ============================================ */

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy.loaded {
    opacity: 1;
}

/* Image Hover Effect */
.img-hover-effect {
    transition: transform 0.3s ease;
    overflow: hidden;
}

.img-hover-effect:hover img {
    transform: scale(1.05);
}

/* ============================================
   PAGINATION IMPROVEMENTS
   ============================================ */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.pagination li {
    list-style: none;
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 8px 12px;
    background: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 6px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination .active a {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* ============================================
   ALERT & NOTIFICATION IMPROVEMENTS
   ============================================ */

.alert {
    padding: 16px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-success {
    background-color: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #17a2b8;
    color: #0c5460;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

/* ============================================
   TABLES IMPROVEMENTS
   ============================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #333;
}

table tr:hover {
    background-color: #f8f9fa;
}

/* ============================================
   MODAL IMPROVEMENTS
   ============================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: #fff;
    margin: auto;
    padding: 30px;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

.shadow-sm {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.shadow {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
}

.shadow-lg {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.rounded {
    border-radius: 6px;
}

.rounded-lg {
    border-radius: 12px;
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-to-main:focus {
    top: 0;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Will-change for animations */
.animated,
.transition {
    will-change: transform, opacity;
}

/* Reduce motion for users who prefer it */
@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;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .btn,
    .navigation-area,
    .btn-scroll-top,
    .back-to-top,
    .off-canvas-wrapper {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    a[href]:after {
        content: " (" attr(href) ")";
    }
}