/* ==========================================================
   EarnSphere 3D - Base Stylesheet & Design System
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-dark, #070913);
    color: var(--text-main, #f8fafc);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 3D Cosmic Background with dynamic radial mesh */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 20%, var(--primary-glow, rgba(0, 240, 255, 0.15)) 0%, transparent 40%),
        radial-gradient(circle at 85% 80%, var(--secondary-glow, rgba(121, 40, 202, 0.18)) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, var(--accent-glow, rgba(255, 0, 122, 0.1)) 0%, transparent 50%);
    pointer-events: none;
    z-index: -2;
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

a {
    color: var(--primary, #00f0ff);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px var(--primary);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    color: #ffffff;
    letter-spacing: -0.02em;
    font-weight: 700;
}

/* Glassmorphism Containers */
.glass-panel {
    background: var(--card-bg, rgba(15, 23, 42, 0.75));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass, rgba(255, 255, 255, 0.08));
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-panel:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.glass-panel-glow {
    position: relative;
}

.glass-panel-glow::after {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(135deg, var(--primary), transparent, var(--secondary));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.glass-panel-glow:hover::after {
    opacity: 0.7;
    filter: blur(8px);
}

/* 3D Buttons & Interactivity */
.btn-3d {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    transform-style: preserve-3d;
    perspective: 500px;
}

.btn-3d-primary {
    background: linear-gradient(135deg, var(--primary, #00f0ff), var(--secondary, #7928ca));
    color: #ffffff !save;
    color: #ffffff;
    box-shadow: 0 8px 25px var(--primary-glow, rgba(0, 240, 255, 0.4));
}

.btn-3d-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 35px var(--primary-glow, rgba(0, 240, 255, 0.6));
    color: #ffffff;
}

.btn-3d-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    backdrop-filter: blur(10px);
}

.btn-3d-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-3d-accent {
    background: linear-gradient(135deg, var(--accent, #ff007a), #7928ca);
    color: #ffffff;
    box-shadow: 0 8px 25px var(--accent-glow, rgba(255, 0, 122, 0.4));
}

.btn-3d-accent:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 14px 35px var(--accent-glow, rgba(255, 0, 122, 0.6));
    color: #ffffff;
}

.btn-3d-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.btn-3d-danger {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.4);
}

.btn-3d:active {
    transform: translateY(1px) scale(0.98);
}

/* Form Inputs & Controls */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted, #94a3b8);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    width: 100%;
    padding: 13px 18px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    color: #ffffff;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary, #00f0ff);
    box-shadow: 0 0 0 3px var(--primary-light, rgba(0, 240, 255, 0.2)), 0 0 20px var(--primary-glow);
    background: rgba(15, 23, 42, 0.95);
}

.form-control::placeholder {
    color: #64748b;
}

/* Flash Alerts */
.flash-alert {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border-radius: 14px;
    margin-bottom: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.flash-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid #10b981;
    color: #6ee7b7;
}

.flash-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #fca5a5;
}

.flash-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid #f59e0b;
    color: #fde68a;
}

.flash-info {
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--primary, #00f0ff);
    color: #bae6fd;
}

.flash-close {
    margin-left: auto;
    background: none;
    border: none;
    color: currentColor;
    font-size: 1.4rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.flash-close:hover {
    opacity: 1;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.badge-primary { background: var(--primary-light, rgba(0, 240, 255, 0.2)); color: var(--primary, #00f0ff); border: 1px solid var(--primary); }

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.glass-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.glass-table th {
    padding: 16px 20px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.02);
}

.glass-table td {
    padding: 16px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.glass-table tbody tr {
    transition: background 0.2s ease;
}

.glass-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.04);
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 15px var(--primary-glow); }
    50% { box-shadow: 0 0 35px var(--primary-glow); }
}

.animate-float {
    animation: float 5s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulseGlow 3s infinite;
}

/* Responsive Media Queries */
@media (max-width: 1200px) {
    /* Large tablets and small laptops */
    .glass-panel {
        padding: 20px;
    }
    
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }
}

@media (max-width: 992px) {
    /* Tablets */
    .glass-panel {
        padding: 18px;
        border-radius: 16px;
    }
    
    .btn-3d {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    .form-control {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .glass-table th,
    .glass-table td {
        padding: 12px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    /* Mobile devices */
    body {
        font-size: 14px;
    }
    
    .glass-panel {
        padding: 16px;
        border-radius: 14px;
        margin: 10px;
    }
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }
    h4 { font-size: 1rem; }
    
    .btn-3d {
        padding: 12px 20px;
        font-size: 0.8rem;
        width: 100%;
        justify-content: center;
    }
    
    .btn-3d:not(.btn-3d-full-mobile) {
        width: auto;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-control {
        padding: 14px 16px;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .glass-table {
        font-size: 0.8rem;
    }
    
    .glass-table th,
    .glass-table td {
        padding: 10px 12px;
    }
    
    .badge {
        font-size: 0.65rem;
        padding: 3px 8px;
    }
    
    .flash-alert {
        padding: 12px 16px;
        font-size: 0.85rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .flash-close {
        align-self: flex-end;
        margin-top: 8px;
    }
}

@media (max-width: 576px) {
    /* Small mobile devices */
    .glass-panel {
        padding: 14px;
        border-radius: 12px;
        margin: 8px;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.1rem; }
    
    .btn-3d {
        padding: 14px 20px;
        font-size: 0.75rem;
    }
    
    .form-control {
        padding: 12px 14px;
    }
    
    .glass-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .glass-table thead {
        display: none;
    }
    
    .glass-table tbody tr {
        display: block;
        margin-bottom: 12px;
        border: 1px solid var(--border-glass);
        border-radius: 8px;
        padding: 12px;
    }
    
    .glass-table td {
        display: block;
        padding: 8px 0;
        border: none;
        text-align: left;
    }
    
    .glass-table td::before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--text-muted);
        display: block;
        margin-bottom: 4px;
        font-size: 0.75rem;
    }
}

/* Mobile-specific improvements */
@media (max-width: 768px) {
    /* Stack buttons on mobile */
    .btn-3d + .btn-3d {
        margin-top: 10px;
    }
    
    /* Improve touch targets */
    button, .btn-3d, input, select, textarea {
        min-height: 44px;
    }
    
    /* Remove hover effects on touch devices */
    @media (hover: none) {
        .btn-3d:hover {
            transform: none;
        }
        
        .glass-panel:hover {
            border-color: var(--border-glass);
        }
    }
    
    /* Stack simple 2-column grids on mobile */
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 2fr 1fr"],
    [style*="grid-template-columns:2fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr 1fr"],
    [style*="grid-template-columns:1fr 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    
    /* Full width containers */
    .glass-panel {
        margin-left: 10px;
        margin-right: 10px;
    }

    /* Stack 2-column form grids */
    .form-grid-2col {
        grid-template-columns: 1fr !important;
    }
}

/* Landscape mobile optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    h1 { font-size: 1.3rem; }
    h2 { font-size: 1.1rem; }
    
    .glass-panel {
        padding: 12px;
    }
    
    .btn-3d {
        padding: 10px 16px;
        font-size: 0.7rem;
    }
}

/* Landing / Terms / Privacy content */
.terms-content h1 {
    font-size: 2.2rem;
}

.terms-content h3 {
    font-size: 1.15rem;
}

@media (max-width: 768px) {
    .terms-content {
        padding: 24px !important;
    }
    
    .terms-content h1 {
        font-size: 1.6rem;
    }
    
    .terms-content h3 {
        font-size: 1.05rem;
        margin: 20px 0 8px;
    }
    
    .terms-content p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
}

/* Public Navigation Responsive */
@media (max-width: 992px) {
    .public-navbar {
        padding: 14px 20px;
    }
    
    .public-navbar .desktop-nav {
        display: none;
    }
    
    .public-navbar .coin-3d {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .public-navbar .text-gradient {
        font-size: 1.2rem;
    }

    .public-mobile-toggle {
        display: block !important;
    }
}

@media (max-width: 768px) {
    .public-navbar {
        padding: 12px 16px;
    }
    
    .public-navbar .coin-3d {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .public-navbar .text-gradient {
        font-size: 1rem;
    }
    
    .public-navbar .btn-3d {
        padding: 8px 16px;
        font-size: 0.75rem;
    }
}

@media (max-width: 576px) {
    .public-navbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 12px;
    }
    
    .public-navbar > div:first-child {
        width: 100%;
        justify-content: space-between;
    }
    
    .public-navbar .btn-3d {
        width: 100%;
        justify-content: center;
    }
    
    .public-navbar > div:last-child {
        width: 100%;
        flex-direction: column;
        gap: 8px;
    }
}