/* /assets/css/style.css */

/* ==================================================
   CSS Variables (Light & Dark Theme)
================================================== */
:root {
    /* Light Theme (Default fallback) */
    --bg-color: #f4f6f9;
    --text-color: #333333;
    --card-bg: #ffffff;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --border-color: #e5e7eb;
    --nav-bg: #ffffff;
    --nav-text: #1f2937;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    /* Dark Theme */
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --card-bg: #1e293b;
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --secondary-color: #fbbf24;
    --success-color: #34d399;
    --danger-color: #f87171;
    --border-color: #334155;
    --nav-bg: #1e293b;
    --nav-text: #f8fafc;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
}

/* ==================================================
   Base & Reset
================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

.main-container {
    flex: 1;
    padding: 30px 15px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    animation: fadeIn 0.5s ease;
}

/* ==================================================
   Navigation Bar
================================================== */
.navbar {
    background-color: var(--nav-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    color: var(--nav-text);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-wallet {
    background: var(--secondary-color);
    color: #fff !important;
    padding: 6px 15px;
    border-radius: 20px;
    font-weight: 600;
}

.theme-toggle-btn, .mobile-toggle {
    background: none;
    border: none;
    color: var(--nav-text);
    font-size: 1.2rem;
    cursor: pointer;
}

.mobile-toggle {
    display: none;
}

/* ==================================================
   Buttons & Forms
================================================== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

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

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

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-color);
}

/* ==================================================
   Cards & Tables
================================================== */
.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    background-color: var(--bg-color);
    font-weight: 600;
}

/* ==================================================
   Footer
================================================== */
.site-footer {
    background-color: var(--card-bg);
    padding: 30px 20px 10px;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-info p {
    font-size: 0.9rem;
    color: var(--danger-color);
    margin-top: 10px;
}

.footer-links {
    display: flex;
    gap: 15px;
}

.footer-bottom {
    text-align: center;
    margin-top: 20px;
    padding-top: 10px;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

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

/* ==================================================
   Responsive Design
================================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: var(--nav-bg);
        padding: 20px;
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: block;
    }
}

/* Bottom Navigation Bar */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: #1e293b;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
    z-index: 9999;
    border-top: 1px solid #334155;
}

.nav-item {
    color: #94a3b8;
    text-align: center;
    font-size: 0.75rem;
    text-decoration: none;
    flex: 1;
}

.nav-item i { font-size: 1.2rem; display: block; margin-bottom: 2px; }

/* Center Rounded Wallet Button */
.nav-wallet-center {
    background: #f59e0b;
    color: #fff;
    padding: 15px;
    border-radius: 50%;
    margin-bottom: 30px; /* Floating effect */
    box-shadow: 0 4px 10px rgba(245, 158, 11, 0.4);
    border: 4px solid #0f172a;
}