/* css/style.css */

/* --- 1. Variables & Theme --- */
:root {
    /* Light Theme (Default) */
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;
    --text-main: #111827;
    --text-muted: #6b7280;
    --primary: #4f46e5;
    /* Indigo */
    --primary-hover: #4338ca;
    --accent: #8b5cf6;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --gradient-card: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --nav-height: 60px;
}

[data-theme="dark"] {
    /* Dark Theme */
    --bg-body: #080a15;
    --bg-card: #1f2937;
    --bg-sidebar: #1f2937;
    --text-main: #f9fafb;
    --text-muted: #9ca3af;
    --primary: #6366f1;
    --primary-hover: #818cf8;
    --border: #374151;
    --shadow-sm: none;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

/* --- 2. Global Reset --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button,
input {
    border: none;
    outline: none;
}

/* --- 3. Layout (Grid) --- */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar (Desktop) */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 50;
    left: 0;
    top: 0;
}

.brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background: var(--bg-body);
    color: var(--primary);
    transform: translateX(4px);
}

.nav-item.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-item i {
    font-size: 1.25rem;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: 260px;
    /* Offset for sidebar */
    padding: 2rem;
    padding-bottom: 80px;
    /* Space for mobile nav */
}

/* Topbar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.topbar-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.icon-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-main);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}

.icon-btn:hover {
    transform: scale(1.05);
}

/* --- 4. Components --- */

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

/* Balance Card */
.balance-card {
    background: var(--gradient-card);
    color: white;
    position: relative;
    overflow: hidden;
    border: none;
}

.balance-card h2 {
    font-size: 0.875rem;
    opacity: 0.9;
    font-weight: 500;
}

.balance-card .amount {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0.5rem 0;
}

.balance-card .coin-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* Auth Pages */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
    background: var(--bg-body);
}

.auth-card {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.form-group {
    margin-bottom: 1rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-body);
    color: var(--text-main);
    font-size: 1rem;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 0.875rem;
    background: var(--primary);
    color: white;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1rem;
    box-shadow: var(--shadow-md);
}

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

/* --- 5. Mobile & Responsive --- */

/* Mobile Bottom Nav (Hidden on Desktop) */
.mobile-nav {
    display: none;
}

.mobile-header {
    display: none;
}

.overlay {
    display: none;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        /* Hide sidebar */
        transition: transform 0.3s ease;
        width: 280px;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    /* Mobile Header */
    .mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem;
        background: var(--bg-card);
        position: sticky;
        top: 0;
        z-index: 40;
        border-bottom: 1px solid var(--border);
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: 0;
        padding-bottom: 80px;
    }

    .topbar {
        display: none;
    }

    /* Hide desktop topbar */

    /* Bottom Nav */
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: var(--bg-card);
        border-top: 1px solid var(--border);
        justify-content: space-around;
        padding: 0.8rem 0;
        z-index: 40;
        padding-bottom: max(0.8rem, env(safe-area-inset-bottom));
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        color: var(--text-muted);
        font-size: 0.75rem;
        font-weight: 500;
    }

    .mobile-nav-item i {
        font-size: 1.5rem;
    }

    .mobile-nav-item.active {
        color: var(--primary);
    }

    /* Overlay for Sidebar */
    .overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 45;
        opacity: 0;
        visibility: hidden;
        transition: 0.3s;
    }

    .overlay.active {
        opacity: 1;
        visibility: visible;
    }
}

/* --- 6. Specific Page Styles --- */

/* List Styles (Transactions/Notifications) */
.list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

.list-item:last-child {
    border-bottom: none;
}

.list-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.list-info {
    flex: 1;
}

.list-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.list-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.list-amount {
    font-weight: 700;
}

/* Referral Box */
.refer-box {
    background: var(--bg-body);
    border: 1px dashed var(--primary);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1.5rem 0;
}

.refer-code {
    font-family: monospace;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 2px;
}

/* Coming Soon Badge */
.badge-soon {
    background: #fef3c7;
    color: #d97706;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}


/* --- Add to css/style.css --- */

/* Task Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1.25rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.stat-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.stat-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Section Dividers */
.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title span {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Completed Task Style */
.task-completed {
    opacity: 0.7;
    background: var(--bg-body);
    /* Slightly darker card */
}

.task-completed .list-title {
    text-decoration: line-through;
    color: var(--text-muted);
}


/* --- Virtual Card Styles (Wallet Page Only) --- */
.virtual-card {
    background: linear-gradient(135deg, #4f46e5 0%, #9333ea 100%);
    border-radius: 20px;
    padding: 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 25px -5px rgba(79, 70, 229, 0.4);
    margin-bottom: 2rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Glass effect overlay */
.virtual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.chip-img {
    width: 40px;
    opacity: 0.9;
}

.card-number {
    font-family: 'Courier New', monospace;
    font-size: 1.4rem;
    letter-spacing: 2px;
    font-weight: 700;
    margin: 1.5rem 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-details {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.card-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    opacity: 0.8;
    margin-bottom: 4px;
}

.card-value {
    font-size: 1rem;
    font-weight: 600;
}

/* Filter Tabs */
.history-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
    overflow-x: auto;
    padding-bottom: 5px;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.85rem;
    white-space: nowrap;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-muted);
}

.filter-btn.active {
    background: var(--text-main);
    /* Black in light, White in dark */
    color: var(--bg-body);
    border-color: var(--text-main);
}

/* --- App Footer (Legal Links) --- */
.app-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    padding-bottom: 1rem;
    border-top: 1px solid var(--border); /* Halki line upar */
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    justify-content: center;
    gap: 15px; /* Links ke beech gap */
    flex-wrap: wrap;
}

.app-footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.app-footer a:hover {
    color: var(--primary);
    text-decoration: underline;
}


/* Mobile Optimization */
@media (max-width: 600px) {
    /* Form aur Cards ko screen ki poori width do */
    .auth-card, .card {
        width: 90% !important;
        margin: 10px auto !important;
        padding: 15px !important;
    }

    /* Input fields mobile par bade aur touch-friendly hon */
    .form-input {
        font-size: 16px !important; /* Mobile zoom issue fix karne ke liye */
        padding: 12px !important;
    }

    /* Buttons ki width check karein */
    .btn-primary {
        width: 100%;
    }

    /* Heading thodi choti */
    h1 {
        font-size: 1.5rem;
    }
}