/* ========================================
   NAVIGATION BOOST CSS
   - Page navigation bar (Back + Home)
   - Fast transitions
   - Responsive design
   ======================================== */

/* ===== PAGE NAVIGATION BAR ===== */
.page-nav-bar {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    padding: 10px 0;
    position: sticky;
    top: 70px;
    z-index: 999;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.page-nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.page-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.page-nav-back {
    background: #fff;
    color: #1A5276;
    border: 2px solid #1A5276;
}

.page-nav-back:hover {
    background: #1A5276;
    color: #fff;
    transform: translateX(3px);
}

.page-nav-home {
    background: #1A5276;
    color: #fff;
    border: 2px solid #1A5276;
}

.page-nav-home:hover {
    background: #2E86C1;
    border-color: #2E86C1;
    transform: scale(1.05);
}

.page-nav-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #666;
}

.page-nav-breadcrumb a {
    color: #1A5276;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.page-nav-breadcrumb a:hover {
    color: #2E86C1;
}

.page-nav-separator {
    color: #adb5bd;
    font-weight: bold;
}

.page-nav-current {
    color: #495057;
    font-weight: 600;
}

/* ===== FAST TRANSITION OVERRIDE ===== */
body {
    transition: opacity 0.15s ease !important;
}

/* Remove old slow transition overlay */
.page-transition-overlay {
    display: none !important;
}

/* ===== DARK MODE SUPPORT ===== */
[data-theme="dark"] .page-nav-bar,
.dark-mode .page-nav-bar {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-bottom-color: #2a2a4a;
}

[data-theme="dark"] .page-nav-back,
.dark-mode .page-nav-back {
    background: #16213e;
    color: #4fc3f7;
    border-color: #4fc3f7;
}

[data-theme="dark"] .page-nav-back:hover,
.dark-mode .page-nav-back:hover {
    background: #4fc3f7;
    color: #1a1a2e;
}

[data-theme="dark"] .page-nav-home,
.dark-mode .page-nav-home {
    background: #4fc3f7;
    color: #1a1a2e;
    border-color: #4fc3f7;
}

[data-theme="dark"] .page-nav-breadcrumb a,
.dark-mode .page-nav-breadcrumb a {
    color: #4fc3f7;
}

[data-theme="dark"] .page-nav-current,
.dark-mode .page-nav-current {
    color: #e0e0e0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .page-nav-bar {
        top: 60px;
        padding: 8px 0;
    }

    .page-nav-container {
        padding: 0 12px;
        gap: 8px;
    }

    .page-nav-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
        gap: 5px;
    }

    .page-nav-btn span {
        display: none;
    }

    .page-nav-btn i {
        font-size: 1rem;
    }

    .page-nav-breadcrumb {
        font-size: 0.75rem;
        flex: 1;
        justify-content: center;
    }

    .page-nav-breadcrumb a span {
        display: none;
    }
}

@media (max-width: 480px) {
    .page-nav-bar {
        top: 55px;
    }

    .page-nav-breadcrumb {
        display: none;
    }

    .page-nav-container {
        justify-content: space-between;
    }

    .page-nav-btn span {
        display: inline;
    }

    .page-nav-btn {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}