/* ===== VARIABLES ===== */
:root {
    --primary: #0b2b4f;
    --primary-light: #1e4b7a;
    --primary-dark: #051a2f;
    --success: #10b981;
    --danger: #dc2626;
    --warning: #f59e0b;
    --gray-100: #f8fafc;
    --gray-200: #f1f5f9;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e1;
    --gray-500: #94a3b8;
    --gray-600: #64748b;
    --gray-700: #475569;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    --box-shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --box-shadow-hover: 0 8px 16px rgba(11,43,79,0.15);
    --transition: all 0.2s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== NAVBAR ===== */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 0.5rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    width: 100%;
    height: 70px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    color: white;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 500;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.nav-title-section {
    text-align: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-title-large {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
}

.nav-title-small {
    color: rgba(255,255,255,0.8);
    font-size: 0.8rem;
    letter-spacing: 0.3px;
    margin-top: 2px;
}

.nav-title-placeholder {
    text-align: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    visibility: hidden;
    pointer-events: none;
}

.nav-title-placeholder .nav-title-large,
.nav-title-placeholder .nav-title-small {
    visibility: hidden;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
    transition: var(--transition);
    border-radius: 4px;
}

.nav-links a:hover {
    color: white;
    background: rgba(255,255,255,0.1);
}

.nav-links .btn-login {
    background: var(--success);
    color: white;
    font-weight: 500;
}

.nav-links .btn-login:hover {
    background: #059669;
}

.nav-links .btn-post {
    background: #ffd966;
    color: var(--primary);
    font-weight: 500;
}

.nav-links .btn-post:hover {
    background: #ffe08a;
}

.nav-links .btn-dashboard {
    background: white;
    color: var(--primary);
    font-weight: 500;
}

.nav-links .btn-dashboard:hover {
    background: var(--gray-100);
}

.nav-links .btn-logout {
    background: var(--danger);
    color: white;
    font-weight: 500;
}

.nav-links .btn-logout:hover {
    background: #b91c1c;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary);
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

/* ===== BUTTONS ===== */
.btn {
    padding: 0.5rem 1.2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    font-weight: 500;
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
}

.btn-sm { 
    padding: 0.3rem 0.8rem; 
    font-size: 0.8rem; 
}

.btn-lg { 
    padding: 0.8rem 2rem; 
    font-size: 1rem; 
}

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

.btn-success {
    background: var(--success);
    color: white;
}
.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(16,185,129,0.3);
}

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover {
    background: #b91c1c;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(220,38,38,0.3);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-400);
    color: var(--gray-700);
}
.btn-outline:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

/* ===== CARDS ===== */
.card {
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-lg);
    padding: 1.2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card-hover:hover {
    border-color: var(--primary);
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.8rem;
}

.card-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
}

/* ===== FORMS ===== */
.form-group { 
    margin-bottom: 1.2rem; 
}

.form-label {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--gray-700);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--gray-400);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    outline: none;
    background: var(--gray-100);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11,43,79,0.1);
}

.form-control-lg { 
    padding: 1rem 1.2rem; 
    font-size: 1rem;
}

.form-control-sm { 
    padding: 0.5rem 0.8rem; 
    font-size: 0.85rem;
}

/* ===== ALERTS ===== */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ===== BADGES ===== */
.badge {
    padding: 0.2rem 0.6rem;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

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

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

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

.badge-gray {
    background: var(--gray-300);
    color: var(--gray-700);
}

/* ===== JOB CARD SPECIFIC ===== */
.job-detail-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--gray-600);
    font-size: 0.9rem;
    margin: 0.8rem 0;
}

.job-detail-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.job-detail-item i {
    color: var(--primary);
    width: 1.2rem;
}

.job-salary-badge {
    background: var(--gray-200);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-block;
}

/* ===== SHARE BUTTONS - FIXED WITH COLORS ===== */
.share-buttons {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.8rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--gray-300);
    flex-wrap: wrap;
}

.share-label {
    color: var(--gray-600);
    font-size: 0.8rem;
    font-weight: 500;
}

.share-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    text-decoration: none;
    font-size: 1rem;
    border: none;
    cursor: pointer;
}

/* Brand Colors - Always visible */
.share-icon.whatsapp {
    background: #25D366;
    color: white;
}

.share-icon.linkedin {
    background: #0077b5;
    color: white;
}

.share-icon.twitter {
    background: #000000;
    color: white;
}

.share-icon.facebook {
    background: #1877f2;
    color: white;
}

.share-icon.copy {
    background: var(--primary);
    color: white;
}

/* Hover Effects */
.share-icon:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.share-icon.whatsapp:hover {
    background: #128C7E;
}

.share-icon.linkedin:hover {
    background: #005582;
}

.share-icon.twitter:hover {
    background: #333333;
}

.share-icon.facebook:hover {
    background: #0e5a9c;
}

.share-icon.copy:hover {
    background: var(--primary-light);
}

/* Active State */
.share-icon:active {
    transform: translateY(0) scale(0.95);
}

/* SVG icon styling */
.share-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

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

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-container {
    text-align: center;
    padding: 2rem;
}

/* ===== IMAGE MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal img {
    max-width: 90%;
    max-height: 90%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--danger);
    color: white;
    transform: scale(1.1);
}

/* ===== SEARCH BAR ===== */
.search-bar {
    background: white;
    border-bottom: 1px solid var(--gray-300);
    padding: 1.5rem 0;
    width: 100%;
    position: sticky;
    top: 70px;
    z-index: 99;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.search-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.search-form {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.search-input-group {
    flex: 1;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 1rem;
}

.search-input {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 2.8rem;
    border: 2px solid var(--gray-400);
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    background: var(--gray-100);
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11,43,79,0.1);
}

.search-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0 2rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

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

/* ===== SIDEBAR ===== */
.sidebar-sticky {
    position: sticky;
    top: 150px;
    height: fit-content;
}

.ad-container {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}

.ad-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    color: white;
    text-align: center;
}

.ad-label {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ad-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.ad-title {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.ad-description {
    font-size: 0.8rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.ad-btn {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.8rem;
    transition: var(--transition);
    font-weight: 500;
}

.ad-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* ===== FOOTER LINKS ===== */
.footer-links {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

.footer-copyright {
    color: var(--gray-500);
    font-size: 0.8rem;
    margin-bottom: 1rem;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-nav a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.3rem 0;
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--primary-light);
    padding-left: 0.3rem;
}

/* ===== TRENDING JOBS ===== */
.trending-container {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    box-shadow: var(--box-shadow);
}

.trending-title {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.trending-item {
    padding: 0.5rem;
    background: var(--gray-100);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.trending-item:hover {
    background: var(--gray-200);
    transform: translateX(2px);
}

.trending-job-title {
    font-weight: 500;
    color: var(--primary);
    font-size: 0.9rem;
}

.trending-job-meta {
    color: var(--gray-600);
    font-size: 0.7rem;
}

/* ===== GRID LAYOUTS ===== */
.grid-2 { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 1.5rem; 
}

.grid-3 { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 1.5rem; 
}

.grid-4 { 
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 1.5rem; 
}

.grid-auto { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
    gap: 1.5rem; 
}

/* ===== FLEX UTILITIES ===== */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* ===== SPACING ===== */
.m-0 { margin: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }

/* ===== TEXT UTILITIES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-gray { color: var(--gray-600); }

/* ===== BACKGROUND UTILITIES ===== */
.bg-white { background: white; }
.bg-gray { background: var(--gray-100); }
.bg-primary { background: var(--primary); }
.bg-success { background: var(--success); }
.bg-danger { background: var(--danger); }
.bg-warning { background: var(--warning); }

/* ===== INFINITE SCROLL ===== */
.feed-item {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

#feed-container {
    overflow-anchor: none;
}

/* Fade out animation for tooltips */
@keyframes fadeOut {
    0% { opacity: 1; }
    70% { opacity: 1; }
    100% { opacity: 0; }
}

.tooltip {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    z-index: 10000;
    animation: fadeOut 2s forwards;
    box-shadow: var(--box-shadow-lg);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    
    .nav-title-large {
        font-size: 1rem;
    }
    
    .nav-title-small {
        font-size: 0.7rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: auto;
        padding: 0.5rem 0;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 0.5rem;
        height: auto;
        padding: 0.5rem 20px;
    }
    
    .nav-title-section,
    .nav-title-placeholder {
        position: static;
        transform: none;
        margin: 0.5rem 0;
        visibility: visible;
    }
    
    .nav-title-placeholder .nav-title-large,
    .nav-title-placeholder .nav-title-small {
        visibility: visible;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .grid-2, .grid-3, .grid-4 { 
        grid-template-columns: 1fr; 
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-btn {
        width: 100%;
        padding: 0.9rem;
    }
    
    .job-card .flex,
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .share-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .sidebar-sticky {
        position: static;
        margin-top: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .card { 
        padding: 1rem; 
    }
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.1rem; }
    
    .nav-links {
        width: 100%;
    }
    
    .nav-links a {
        padding: 0.3rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .share-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .share-icon svg {
        width: 16px;
        height: 16px;
    }
    
    .job-detail-grid {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .navbar,
    .search-bar,
    .sidebar-sticky,
    .share-buttons,
    .btn {
        display: none !important;
    }
    
    .card {
        break-inside: avoid;
        border: 1px solid #000;
        box-shadow: none;
    }
}