/* NATURE THEME - What Animal Is This */

/* ====== ROOT COLOR VARIABLES ====== */
:root {
    --forest-green: #2d5a32;
    --bright-green: #4ade80;
    --jungle-green: #059669;
    --lime-green: #84cc16;
    --leaf-green: #22c55e;
    --nature-orange: #fb923c;
    --sunset-orange: #f97316;
    --sky-blue: #3b82f6;
    --earth-brown: #92400e;
    --flower-pink: #ec4899;
    --sunny-yellow: #fbbf24;
    --cream-white: #fef7ed;
    --bark-brown: #451a03;
    --grass-light: #ecfdf5;
    --shadow-green: rgba(45, 90, 50, 0.1);
}

/* ====== GLOBAL NATURE STYLING ====== */
body {
    background: linear-gradient(135deg, var(--grass-light) 0%, var(--cream-white) 100%);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
}

/* ====== VIBRANT BUTTON STYLES ====== */
.btn-primary {
    background: linear-gradient(45deg, var(--bright-green), var(--jungle-green));
    border: none;
    color: white;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 25px;
    box-shadow: 0 4px 15px var(--shadow-green);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--jungle-green), var(--forest-green));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-green);
    color: white;
}

.btn-success {
    background: linear-gradient(45deg, var(--leaf-green), var(--lime-green));
    border: none;
    border-radius: 20px;
    font-weight: 600;
    padding: 10px 20px;
}

.btn-warning {
    background: linear-gradient(45deg, var(--sunny-yellow), var(--nature-orange));
    border: none;
    border-radius: 20px;
    color: white;
    font-weight: 600;
}

.btn-info {
    background: linear-gradient(45deg, var(--sky-blue), #0ea5e9);
    border: none;
    border-radius: 20px;
}

/* ====== NATURE-INSPIRED UPLOAD AREA ====== */
#upload-area {
    cursor: pointer;
    transition: all 0.4s ease;
    background: linear-gradient(135deg, rgba(76, 222, 128, 0.1), rgba(34, 197, 94, 0.05));
    border: 3px dashed var(--bright-green) !important;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

#upload-area::before {
    content: '🦋🌿🦎';
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.2rem;
    opacity: 0.3;
    animation: float 3s ease-in-out infinite;
}

#upload-area:hover {
    background: linear-gradient(135deg, rgba(76, 222, 128, 0.2), rgba(34, 197, 94, 0.1));
    border-color: var(--jungle-green) !important;
    transform: scale(1.02);
    box-shadow: 0 10px 30px var(--shadow-green);
}

#upload-area.border-primary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(34, 197, 94, 0.1));
    border-color: var(--sky-blue) !important;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

/* ====== NATURE CAMERA STYLING ====== */
#camera-video {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 15px 35px var(--shadow-green);
    border: 4px solid var(--bright-green);
}

/* ====== NATURE-THEMED RANK BADGES ====== */
.rank-badge {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    position: relative;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.rank-1 {
    background: linear-gradient(45deg, var(--sunny-yellow), #f59e0b);
    color: var(--bark-brown);
    border: 3px solid #fbbf24;
}

.rank-1::before {
    content: '🏆';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 0.8rem;
}

.rank-2 {
    background: linear-gradient(45deg, #94a3b8, #cbd5e1);
    color: var(--bark-brown);
    border: 3px solid #94a3b8;
}

.rank-2::before {
    content: '🥈';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 0.8rem;
}

.rank-3 {
    background: linear-gradient(45deg, var(--earth-brown), var(--nature-orange));
    color: white;
    border: 3px solid var(--earth-brown);
}

.rank-3::before {
    content: '🥉';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 0.8rem;
}

/* ====== NATURE-THEMED CARDS & ELEMENTS ====== */
.card {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(45, 90, 50, 0.1);
    transition: all 0.4s ease;
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--bright-green), var(--jungle-green), var(--lime-green));
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 45px rgba(45, 90, 50, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--grass-light), rgba(255, 255, 255, 0.8));
    border-bottom: 2px solid var(--bright-green);
    border-radius: 20px 20px 0 0 !important;
}

.profile-image {
    object-fit: cover;
    border: 3px solid var(--bright-green);
    border-radius: 50%;
    box-shadow: 0 4px 15px var(--shadow-green);
}

/* ====== NATURE ANIMATIONS ====== */
.loading-pulse {
    animation: nature-pulse 2s infinite;
}

@keyframes nature-pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.7; 
        transform: scale(1.05);
    }
}

.nature-bounce {
    animation: nature-bounce 2s infinite;
}

@keyframes nature-bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        transform: translate3d(0, -10px, 0);
    }
    70% {
        transform: translate3d(0, -5px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

/* ====== MOBILE OPTIMIZATIONS ====== */
.mobile-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(76, 222, 128, 0.2);
}

.mobile-upload-area:active {
    transform: scale(0.98);
    background-color: rgba(76, 222, 128, 0.05);
}

/* Enhanced button spacing for mobile */
@media (max-width: 768px) {
    .btn-lg {
        padding: 16px 24px;
        font-size: 1.1rem;
        min-height: 60px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .card-body {
        padding: 2rem 1.5rem !important;
    }
    
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    /* Optimize navbar for mobile */
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    
    /* Better mobile text sizing */
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.3rem; }
    h5 { font-size: 1.1rem; }
    
    /* Mobile-friendly upload area */
    #upload-area {
        min-height: 140px;
        padding: 1.5rem !important;
    }
    
    /* Camera video responsive */
    #camera-video {
        max-height: 300px;
        width: 100%;
        object-fit: cover;
        border-radius: 15px;
    }
}

/* ====== NATURE-THEMED ALERTS ====== */
.alert {
    border: none;
    border-radius: 15px;
    border-left: 5px solid;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.alert-success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(76, 222, 128, 0.05));
    border-left-color: var(--leaf-green);
    color: var(--forest-green);
}

.alert-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(14, 165, 233, 0.05));
    border-left-color: var(--sky-blue);
    color: #1e40af;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.1), rgba(249, 115, 22, 0.05));
    border-left-color: var(--nature-orange);
    color: var(--earth-brown);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.05));
    border-left-color: #dc2626;
    color: #991b1b;
}

/* Modal enhancements */
.modal-content {
    border: none;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Responsive image containers */
.scan-image-container {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 0.5rem;
    background: var(--bs-gray-100);
}

.scan-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ====== NATURE-THEMED BADGES ====== */
.badge {
    font-size: 0.75em;
    padding: 0.6em 1em;
    border-radius: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.bg-success {
    background: linear-gradient(45deg, var(--leaf-green), var(--jungle-green)) !important;
    color: white;
}

.badge.bg-warning {
    background: linear-gradient(45deg, var(--sunny-yellow), var(--nature-orange)) !important;
    color: white;
}

.badge.bg-info {
    background: linear-gradient(45deg, var(--sky-blue), #0ea5e9) !important;
    color: white;
}

.badge.bg-secondary {
    background: linear-gradient(45deg, #64748b, #475569) !important;
    color: white;
}

/* ====== NATURE-THEMED NAVIGATION ====== */
.navbar {
    background: linear-gradient(135deg, var(--forest-green), var(--jungle-green)) !important;
    box-shadow: 0 4px 20px rgba(45, 90, 50, 0.3);
    border-bottom: 3px solid var(--bright-green);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: white !important;
    display: flex;
    align-items: center;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.navbar-brand:hover {
    color: var(--sunny-yellow) !important;
    transform: scale(1.05);
    transition: all 0.3s ease;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 8px 15px !important;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: white !important;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.navbar .dropdown-menu {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
}

.dropdown-item {
    color: var(--forest-green);
    padding: 10px 20px;
    border-radius: 8px;
    margin: 2px 5px;
}

.dropdown-item:hover {
    background: var(--grass-light);
    color: var(--forest-green);
}

/* ====== NATURE-THEMED HERO SECTION ====== */
.hero-section {
    background: linear-gradient(135deg, 
        rgba(236, 253, 245, 0.8) 0%, 
        rgba(254, 247, 237, 0.8) 50%, 
        rgba(240, 253, 244, 0.8) 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '🦎🐨🦋🌿🌺🦜🐯🐘';
    position: absolute;
    top: 20px;
    right: -50px;
    font-size: 3rem;
    opacity: 0.1;
    transform: rotate(15deg);
    pointer-events: none;
}

.hero-section::after {
    content: '🌳🍃🦒🐼🦉🌻🐛🦓';
    position: absolute;
    bottom: 20px;
    left: -50px;
    font-size: 2.5rem;
    opacity: 0.1;
    transform: rotate(-10deg);
    pointer-events: none;
}

.display-4 {
    background: linear-gradient(45deg, var(--forest-green), var(--jungle-green), var(--bright-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

/* ====== NATURE-THEMED FOOTER ====== */
footer {
    margin-top: auto;
    background: linear-gradient(135deg, var(--forest-green), var(--bark-brown)) !important;
    border-top: 4px solid var(--bright-green);
    position: relative;
}

footer::before {
    content: '🌿🦋🌺';
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 1.5rem;
    opacity: 0.3;
}

footer h5 {
    color: var(--sunny-yellow) !important;
    font-weight: 700;
}

footer p, footer .text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* ====== NATURE UTILITY CLASSES ====== */
.text-gradient-primary {
    background: linear-gradient(45deg, var(--forest-green), var(--bright-green), var(--jungle-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nature-icon {
    color: var(--bright-green);
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.1));
}

.animal-emoji {
    font-size: 1.5rem;
    margin: 0 5px;
    animation: float 3s ease-in-out infinite;
    animation-delay: calc(var(--delay, 0) * 0.5s);
    display: inline-block;
}

.bg-nature-gradient {
    background: linear-gradient(135deg, var(--grass-light), var(--cream-white));
}

.border-nature {
    border: 2px solid var(--bright-green) !important;
    border-radius: 15px;
}

.shadow-nature {
    box-shadow: 0 8px 25px var(--shadow-green);
}

/* Force emoji visibility globally */
.card-title h3 {
    color: #333 !important;
    opacity: 1 !important;
}

/* ====== POINTS NOTIFICATION SYSTEM ====== */
.points-notification {
    position: fixed;
    bottom: -200px;
    left: 20px;
    right: 20px;
    max-width: 500px;
    margin: 0 auto;
    z-index: 1050;
    transition: all 0.4s ease-out;
    opacity: 0;
}

.points-notification.show {
    bottom: 20px;
    opacity: 1;
}

.points-notification-content {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: flex-start;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.points-notification-content .small {
    opacity: 0.9;
    line-height: 1.3;
}

.points-notification-content i {
    margin-top: 2px;
    flex-shrink: 0;
}

@media (max-width: 576px) {
    .points-notification {
        left: 10px;
        right: 10px;
        bottom: -150px;
    }
    
    .points-notification.show {
        bottom: 10px;
    }
    
    .points-notification-content {
        padding: 14px 16px;
        font-size: 0.9rem;
    }
}

/* ====== MOBILE NAVIGATION FIXES ====== */
/* Fix hamburger menu transparency and clickability issues */
@media (max-width: 991.98px) {
    /* Force navbar collapse to be visible and solid */
    .navbar-collapse {
        background: #ffffff !important;
        border-radius: 8px;
        margin-top: 15px;
        padding: 15px !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
        border: 2px solid #e9ecef !important;
        position: relative !important;
        z-index: 1050 !important;
        overflow: visible !important;
        width: calc(100vw - 30px) !important;
        max-width: calc(100vw - 30px) !important;
        box-sizing: border-box !important;
    }
    
    /* Ensure all navigation links are fully visible and clickable */
    .navbar-nav {
        width: 100% !important;
    }
    
    .navbar-nav .nav-item {
        width: 100% !important;
        margin: 4px 0 !important;
    }
    
    .navbar-nav .nav-link {
        background: transparent !important;
        color: #212529 !important;
        opacity: 1 !important;
        font-weight: 500 !important;
        padding: 15px 20px !important;
        border-radius: 8px !important;
        margin: 0 !important;
        display: flex !important;
        align-items: center !important;
        transition: all 0.3s ease !important;
        pointer-events: auto !important;
        z-index: 1051 !important;
        position: relative !important;
        text-decoration: none !important;
        width: 100% !important;
        min-height: 50px !important;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus,
    .navbar-nav .nav-link:active {
        background: rgba(40, 167, 69, 0.1) !important;
        color: #28a745 !important;
        transform: translateX(8px) !important;
        box-shadow: 0 2px 8px rgba(40, 167, 69, 0.2) !important;
    }
    
    /* Button styling in mobile nav */
    .navbar-nav .btn {
        margin: 8px 0 !important;
        width: 100% !important;
        padding: 12px 20px !important;
        opacity: 1 !important;
        pointer-events: auto !important;
        z-index: 1051 !important;
        position: relative !important;
        min-height: 48px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* Mobile dropdown items - clean list style */
    .navbar-collapse .dropdown-item {
        padding: 15px 20px !important;
        color: var(--forest-green) !important;
        border-radius: 0 !important;
        margin: 0 !important;
        font-weight: 500 !important;
        text-align: left !important;
        background: transparent !important;
        border: none !important;
        border-bottom: 1px solid #f1f3f4 !important;
        white-space: nowrap !important;
        overflow: visible !important;
        text-overflow: none !important;
        font-size: 0.95rem !important;
        line-height: 1.4 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: flex-start !important;
        width: 100% !important;
        box-sizing: border-box !important;
        min-height: 50px !important;
    }
    
    /* Remove border from last item */
    .navbar-collapse .dropdown-item:last-child {
        border-bottom: none !important;
    }
    
    .navbar-collapse .dropdown-item:hover {
        background: #f8f9fa !important;
        color: var(--forest-green) !important;
        transform: none !important;
        box-shadow: none !important;
    }
    
    /* Ensure dropdown container displays properly */
    .navbar-collapse .dropdown {
        overflow: visible !important;
        margin: 8px 0 !important;
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    
    /* Keep dropdown toggle caret visible */
    .navbar-collapse .dropdown-toggle::after {
        display: inline-block !important;
    }
    
    /* Additional mobile viewport fix */
    @media (max-width: 576px) {
        .navbar-collapse .dropdown-menu {
            margin: 8px 5px 0 5px !important;
            max-width: calc(100vw - 30px) !important;
        }
        
        .navbar-collapse .dropdown-item {
            font-size: 0.85rem !important;
            padding: 8px 10px !important;
        }
    }
    
    /* Dropdown menu fixes - prevent cutoff on mobile */
    .navbar-nav .dropdown {
        width: 100% !important;
        position: relative !important;
    }
    
    .navbar-nav .dropdown-menu {
        position: absolute !important;
        right: 0 !important;
        left: auto !important;
        top: 100% !important;
        transform: none !important;
        margin-top: 8px !important;
        min-width: 200px !important;
        width: auto !important;
        max-width: calc(100vw - 20px) !important;
        box-sizing: border-box !important;
        z-index: 1060 !important;
    }
    
    .navbar-nav .dropdown-toggle {
        background: transparent !important;
        border: none !important;
        width: 100% !important;
    }
    
    .navbar-nav .dropdown-toggle::after {
        margin-left: auto !important;
    }
    
    .dropdown-menu {
        background: #f8f9fa !important;
        border: 1px solid #dee2e6 !important;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1) !important;
        position: static !important;
        transform: none !important;
        width: 100% !important;
        margin-top: 8px !important;
        border-radius: 8px !important;
        padding: 10px 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
        z-index: 1052 !important;
        max-height: none !important;
        overflow: visible !important;
    }
    
    .dropdown-item {
        background: transparent !important;
        color: #495057 !important;
        opacity: 1 !important;
        padding: 12px 20px !important;
        pointer-events: auto !important;
        display: flex !important;
        align-items: center !important;
        text-decoration: none !important;
        width: 100% !important;
        border: none !important;
        z-index: 1053 !important;
        position: relative !important;
        min-height: 44px !important;
    }
    
    .dropdown-item:hover,
    .dropdown-item:focus,
    .dropdown-item:active {
        background: rgba(40, 167, 69, 0.1) !important;
        color: #28a745 !important;
        transform: translateX(5px) !important;
    }
    
    /* Icon spacing in mobile */
    .navbar-nav i[data-feather] {
        margin-right: 8px !important;
        width: 18px !important;
        height: 18px !important;
    }
}

/* ====== DEVICE-SPECIFIC MOBILE FIXES ====== */
/* Keep original Bootstrap animations but fix positioning issues */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: #ffffff !important;
        border-radius: 8px;
        margin-top: 15px;
        padding: 20px !important;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
        border: 2px solid #e9ecef !important;
        position: relative !important;
        z-index: 1050 !important;
    }
    
    .navbar-nav .dropdown-menu {
        position: static !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
        border: 1px solid #e9ecef !important;
        margin-top: 8px !important;
        border-radius: 6px !important;
    }
}

/* ====== iPhone LOGO ALIGNMENT FIX ====== */
/* Target iPhone 16, iPhone 16 Pro, and iPhone SE */
@media only screen and (max-width: 430px) {
    .navbar > .container {
        display: flex !important;
        align-items: center !important;
        height: 56px !important;
    }
    
    .navbar-toggler {
        align-self: center !important;
        margin: 0 !important;
        height: 40px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        z-index: 1001 !important;
    }
    
    .navbar-brand {
        align-items: center !important;
        display: flex !important;
        line-height: 1 !important;
        justify-content: center !important;
        height: 40px !important;
        margin: 0 !important;
        padding: 0 0.5rem !important;
    }
    
    .logo-image {
        height: 28px !important;
        width: auto !important;
        margin: 0 8px 0 0 !important;
        vertical-align: middle !important;
        flex-shrink: 0 !important;
    }
    
    .brand-text {
        display: flex !important;
        align-items: center !important;
        line-height: 1.1 !important;
        height: 28px !important;
    }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    #upload-area {
        min-height: 150px !important;
        padding: 2rem 1rem !important;
        text-align: center;
    }
    
    .scan-image-container {
        height: 250px;
    }
    
    /* Center align mobile navigation */
    .navbar-nav {
        text-align: center;
        width: 100%;
    }
    
    .navbar-nav .nav-item {
        margin: 0.25rem auto;
        display: flex;
        justify-content: center;
        text-align: center;
        width: 100%;
    }
    
    .navbar-nav .nav-link {
        margin: 0 auto;
        text-align: center;
    }
    
    .navbar-nav .btn {
        margin: 0.25rem auto !important;
        max-width: 200px;
        display: inline-block;
        width: fit-content;
    }
    
    /* Ensure all navbar buttons are centered on mobile */
    .navbar-collapse .navbar-nav .nav-item {
        display: flex;
        justify-content: center;
        width: 100%;
    }
    
    .navbar-collapse .navbar-nav .nav-link.btn {
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    /* Fix Go Premium button specifically */
    .navbar-nav .nav-item .nav-link.btn.btn-warning {
        margin-left: auto !important;
        margin-right: auto !important;
    }
    
    /* Mobile navbar layout fixes */
    .navbar-toggler {
        order: -1;
        border: none;
        padding: 0.5rem;
    }
    
    .navbar-brand {
        flex-grow: 1;
        text-align: center;
        font-size: 1.25rem !important;
        line-height: 1.2;
        padding: 0.5rem 0.25rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .navbar-brand .nature-icon {
        width: 22px !important;
        height: 22px !important;
    }
    
    .navbar-brand .animal-emoji {
        font-size: 1.1rem !important;
    }
    
    /* Ensure navbar container has proper flex layout */
    .navbar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    /* Center mobile buttons */
    .d-md-flex.justify-content-md-center {
        flex-direction: column !important;
        align-items: center;
    }
    
    .d-md-flex.justify-content-md-center .btn {
        width: 100%;
        max-width: 280px;
        margin: 0.25rem auto;
    }
    
    /* Center adventure level cards */
    .card-body .row .col-md-6 {
        margin-bottom: 1.5rem;
        text-align: center;
    }
    
    /* Mobile dropdown - appears below username when clicked */
    .navbar-collapse .dropdown-menu {
        position: static !important;
        float: none !important;
        width: 100% !important;
        margin: 8px 0 0 0 !important;
        background: #ffffff !important;
        border: 2px solid #e9ecef !important;
        border-radius: 8px !important;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
        transform: none !important;
        left: auto !important;
        right: auto !important;
        text-align: left !important;
        overflow: visible !important;
        box-sizing: border-box !important;
    }
    
    /* Override Bootstrap's default dropdown hiding in navbar-collapse */
    .navbar-collapse .dropdown-menu.show {
        display: block !important;
    }
    
    /* Center alerts and forms */
    .alert {
        text-align: center;
    }
    
    /* Center feature sections */
    .col-md-3 {
        text-align: center !important;
        margin-bottom: 2rem;
    }
    
    /* Center badges and stats */
    .badge {
        display: inline-block;
        margin: 0.25rem;
    }
    
    /* Center premium option */
    .premium-option {
        text-align: center;
    }
    
    /* Mobile-friendly spacing */
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    /* Center scan form elements */
    .card-body {
        text-align: center;
    }
    
    /* Center card titles properly on mobile */
    .card-title {
        text-align: center !important;
        margin-bottom: 1.5rem;
    }
    
    .card-title h3 {
        line-height: 1.5;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: nowrap;
        white-space: nowrap;
        gap: 0.5rem;
    }
    
    /* Ensure emojis stay on same line on small screens */
    @media (max-width: 480px) {
        .card-title h3 {
            font-size: 1.2rem;
            gap: 0.25rem;
        }
        
        .card-title .animal-emoji {
            font-size: 1.2rem;
        }
    }
    
    .card-title .animal-emoji {
        font-size: 1.5rem;
    }
    
    /* Force emoji visibility */
    h3 {
        color: #333 !important;
        opacity: 1 !important;
    }
    
    .card-title .nature-icon {
        display: block;
        margin: 0 auto;
    }
    
    /* Center stats panel */
    #user-stats-panel {
        text-align: center;
        margin: 0 auto;
    }
}

/* Dark mode specific enhancements */
[data-bs-theme="dark"] .card {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.1);
}

[data-bs-theme="dark"] #upload-area {
    background: rgba(255,255,255,0.02);
    border-color: rgba(255,255,255,0.2);
}

[data-bs-theme="dark"] #upload-area:hover {
    background: rgba(255,255,255,0.08);
}

/* Success/error states */
.upload-success {
    border-color: var(--bs-success) !important;
    background: rgba(25, 135, 84, 0.1) !important;
}

.upload-error {
    border-color: var(--bs-danger) !important;
    background: rgba(220, 53, 69, 0.1) !important;
}

/* Loading spinner customization */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Feature icons */
.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}