/* ===== GLOBAL VARIABLES & COLORS ===== */
:root {
    --fc-bg: #0f172a;
    --fc-surface: #1e293b;
    --fc-surface-light: #334155;
    --fc-primary: #00e676;
    --fc-primary-hover: #00c853;
    --fc-text: #f8fafc;
    --fc-text-muted: #94a3b8;
    --fc-border: rgba(255, 255, 255, 0.08);
    --fc-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-xs: 12px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--fc-bg);
    color: var(--fc-text);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--fc-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { color: var(--fc-text-muted); margin-bottom: var(--spacing-md); }
a { color: var(--fc-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--fc-primary-hover); }

.text-white { color: var(--fc-text) !important; }
.text-muted { color: var(--fc-text-muted) !important; }
.text-primary { color: var(--fc-primary) !important; }
.text-success { color: #10b981 !important; }
.text-warning { color: #f59e0b !important; }
.text-danger { color: #ef4444 !important; }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-normal { font-weight: 400; }

.small { font-size: var(--font-size-sm); }
.x-small { font-size: var(--font-size-xs); }

/* ===== LAYOUT ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--fc-surface);
    border-right: 1px solid var(--fc-border);
    padding: var(--spacing-lg);
    position: fixed;
    height: 100vh;
    z-index: 1000;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    width: calc(100% - 260px);
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    padding: var(--spacing-xl);
    flex: 1;
}

/* ===== SIDEBAR NAVIGATION ===== */
.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--fc-text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
    transition: all 0.2s;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(0, 230, 118, 0.1);
    color: var(--fc-primary);
}

.nav-item i {
    margin-right: var(--spacing-md);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

/* ===== TOPBAR / HEADER ===== */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--fc-surface);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--fc-border);
    z-index: 999;
    gap: var(--spacing-lg);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-balance {
    background: rgba(0, 230, 118, 0.1);
    color: var(--fc-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 100px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

/* ===== NOTIFICATIONS ===== */
.notif-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
    font-size: 0.65rem;
    padding: 2px 5px;
    border-radius: 10px;
    border: 2px solid var(--fc-surface);
    font-weight: 800;
    min-width: 20px;
    text-align: center;
}

.notif-dropdown {
    width: 320px;
    max-width: 95vw;
    max-height: 450px;
    overflow-y: auto;
    padding: 0;
    border: 1px solid var(--fc-border);
    background: var(--fc-surface);
    box-shadow: var(--fc-shadow);
    border-radius: 16px;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-sm);
    z-index: 10000;
}

.notif-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--fc-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--fc-surface);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.notif-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--fc-border);
    transition: background 0.2s;
    display: flex;
    gap: var(--spacing-md);
    color: var(--fc-text);
    font-size: var(--font-size-sm);
    align-items: flex-start;
}

.notif-item:hover { background: rgba(255, 255, 255, 0.05); }
.notif-item.unread { background: rgba(0, 230, 118, 0.05); border-left: 3px solid var(--fc-primary); }

.notif-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(0, 230, 118, 0.1);
    border-radius: 8px;
    flex-shrink: 0;
}

.notif-content {
    flex: 1;
    min-width: 0;
}

.notif-text {
    line-height: 1.4;
    color: var(--fc-text);
    word-wrap: break-word;
    margin-bottom: var(--spacing-xs);
}

.notif-time {
    font-size: var(--font-size-xs);
    color: var(--fc-text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.notif-empty {
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--fc-text-muted);
    font-size: var(--font-size-sm);
}

/* ===== LIVE FEED ===== */
.live-feed-container {
    background: var(--fc-surface);
    height: 45px;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--fc-border);
    width: 100%;
    font-size: var(--font-size-sm);
}

.live-feed-label {
    background: var(--fc-surface-light);
    color: var(--fc-primary);
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    font-weight: 800;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    white-space: nowrap;
    z-index: 10;
}

.live-feed-wrapper {
    flex: 1;
    overflow: hidden;
}

.live-feed-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    animation: scroll-feed 30s linear infinite;
    white-space: nowrap;
}

@keyframes scroll-feed {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

.feed-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--fc-text-muted);
}

.feed-item .user { color: var(--fc-text); font-weight: 600; }
.feed-item .amount { color: var(--fc-primary); font-weight: 700; }

/* ===== CARDS ===== */
.fc-card {
    background-color: var(--fc-surface);
    border-radius: 20px;
    padding: var(--spacing-xl);
    border: 1px solid var(--fc-border);
    box-shadow: var(--fc-shadow);
    transition: transform 0.2s;
}

.fc-card:hover {
    transform: translateY(-2px);
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 600;
    border-radius: 12px;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-fc-primary {
    background-color: var(--fc-primary);
    color: #000;
    font-weight: 700;
}

.btn-fc-primary:hover {
    background-color: var(--fc-primary-hover);
    box-shadow: 0 0 20px rgba(0, 230, 118, 0.3);
    color: #000;
}

.btn-dark {
    background-color: var(--fc-surface-light);
    color: var(--fc-text);
    border: 1px solid var(--fc-border);
}

.btn-dark:hover {
    background-color: var(--fc-surface);
    color: var(--fc-text);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--fc-text);
    border: 1px solid var(--fc-border);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--fc-primary);
}

.btn-sm { padding: var(--spacing-sm) var(--spacing-md); font-size: var(--font-size-xs); }
.btn-lg { padding: var(--spacing-lg) var(--spacing-2xl); font-size: var(--font-size-base); }

/* ===== FORMS ===== */
.form-control, .form-select {
    background-color: var(--fc-surface-light) !important;
    border: 1px solid var(--fc-border) !important;
    color: var(--fc-text) !important;
    border-radius: 10px;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    font-size: var(--font-size-sm) !important;
    font-family: var(--font-family) !important;
}

.form-control::placeholder {
    color: var(--fc-text-muted) !important;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 2px rgba(0, 230, 118, 0.2) !important;
    border-color: var(--fc-primary) !important;
    background-color: var(--fc-surface-light) !important;
    color: var(--fc-text) !important;
}

.form-label {
    color: var(--fc-text-muted);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

/* ===== BADGES ===== */
.badge {
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 8px;
}

.badge.bg-dark {
    background-color: var(--fc-surface-light) !important;
    color: var(--fc-text) !important;
}

.badge.bg-fc-primary {
    background-color: var(--fc-primary) !important;
    color: #000 !important;
}

/* ===== TABLES ===== */
.table {
    color: var(--fc-text) !important;
    font-size: var(--font-size-sm);
}

.table-dark {
    background-color: var(--fc-surface) !important;
}

.table-dark thead {
    background-color: var(--fc-surface-light) !important;
}

.table-dark tbody tr {
    border-bottom: 1px solid var(--fc-border) !important;
}

.table-hover tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02) !important;
}

/* ===== OFFERWALL GRID ===== */
.offerwall-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.offer-card {
    background: var(--fc-surface);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--fc-border);
    text-align: center;
    padding: var(--spacing-xl);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.offer-card:hover {
    transform: translateY(-4px);
    border-color: var(--fc-primary);
    box-shadow: 0 10px 25px rgba(0, 230, 118, 0.1);
}

.offer-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: var(--spacing-lg);
}

.offer-card h5, .offer-card h6 {
    color: var(--fc-text);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--fc-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--fc-surface-light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--fc-text-muted);
}

/* ===== DESKTOP LAYOUT (992px+) ===== */
@media (min-width: 993px) {
    .mobile-nav { display: none !important; }
    .sidebar { transform: translateX(0); }
    .main-content { margin-left: 260px; width: calc(100% - 260px); }
}

/* ===== TABLET LAYOUT (768px - 992px) ===== */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        width: 240px;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding-bottom: 80px;
    }

    .content-wrapper {
        padding: var(--spacing-lg);
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .offerwall-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--spacing-lg);
    }

    .fc-card {
        padding: var(--spacing-lg);
    }
}

/* ===== NOTIFICATION MOBILE FIX ===== */
@media (max-width: 767px) {
    .notif-dropdown {
        position: fixed !important;
        top: auto !important;
        bottom: auto !important;
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%) !important;
        width: 90vw !important;
        max-width: 400px !important;
        max-height: 70vh !important;
        margin: 0 !important;
        z-index: 10001 !important;
    }

    .notif-item {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .notif-icon {
        width: 36px;
        height: 36px;
    }

    .notif-text {
        font-size: var(--font-size-sm);
    }
}

/* ===== MOBILE LAYOUT (< 768px) ===== */
@media (max-width: 767px) {
    :root {
        --font-size-base: 15px;
        --spacing-lg: 12px;
        --spacing-xl: 16px;
    }

    html {
        font-size: 15px;
    }

    .sidebar {
        transform: translateX(-100%);
        width: 100%;
        height: auto;
        position: fixed;
        bottom: 0;
        top: auto;
        border-right: none;
        border-top: 1px solid var(--fc-border);
        padding: var(--spacing-sm);
        max-height: 60vh;
        overflow-y: auto;
        z-index: 1001;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding-bottom: 70px;
    }

    .content-wrapper {
        padding: var(--spacing-lg);
    }

    .topbar {
        padding: var(--spacing-md) var(--spacing-lg);
        gap: var(--spacing-md);
    }

    .topbar-left {
        gap: var(--spacing-md);
    }

    .topbar-right {
        gap: var(--spacing-md);
    }

    .user-balance {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-xs);
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }
    h4 { font-size: 1rem; }
    h5 { font-size: 0.95rem; }
    h6 { font-size: 0.9rem; }

    p { font-size: var(--font-size-sm); }

    .fc-card {
        padding: var(--spacing-lg);
        border-radius: 16px;
    }

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
        width: 100%;
    }

    .btn-sm {
        padding: var(--spacing-sm) var(--spacing-md);
        width: auto;
    }

    .btn-lg {
        padding: var(--spacing-lg) var(--spacing-xl);
    }

    .form-control, .form-select {
        padding: var(--spacing-md) var(--spacing-md) !important;
        font-size: var(--font-size-sm) !important;
    }

    .offerwall-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: var(--spacing-md);
    }

    .offer-card {
        padding: var(--spacing-lg);
    }

    .offer-card img {
        width: 60px;
        height: 60px;
    }

    .table {
        font-size: var(--font-size-xs);
    }

    .table th, .table td {
        padding: var(--spacing-sm) !important;
    }

    .notif-dropdown {
        width: 90vw;
        max-width: 320px;
    }

    .live-feed-container {
        height: 36px;
        font-size: 11px;
        display: flex;
    }

    .live-feed-label {
        padding: 0 var(--spacing-sm);
        font-size: 9px;
    }

    .feed-item {
        gap: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }

    /* Mobile Navigation */
    .mobile-nav {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--fc-surface);
        border-top: 1px solid var(--fc-border);
        padding: var(--spacing-sm);
        justify-content: space-around;
        z-index: 1000;
        gap: var(--spacing-xs);
    }

    .mobile-nav-item {
        color: var(--fc-text-muted);
        text-decoration: none;
        display: flex;
        flex-direction: column;
        align-items: center;
        font-size: var(--font-size-xs);
        flex: 1;
        text-align: center;
    }

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

    .mobile-nav-item i {
        font-size: 1.3rem;
        margin-bottom: 2px;
    }

    .mobile-nav-item span {
        font-size: 10px;
        line-height: 1.2;
    }

    .dropdown-menu-up {
        bottom: 100% !important;
        top: auto !important;
    }

    .dropdown-menu {
        font-size: var(--font-size-sm) !important;
        background-color: var(--fc-surface) !important;
        border: 1px solid var(--fc-border) !important;
    }

    .dropdown-item {
        color: var(--fc-text) !important;
        padding: var(--spacing-md) var(--spacing-lg) !important;
    }

    .dropdown-item:hover {
        background-color: rgba(0, 230, 118, 0.1) !important;
        color: var(--fc-primary) !important;
    }

    .dropdown-divider {
        border-color: var(--fc-border) !important;
        opacity: 0.5 !important;
    }
}

/* ===== EXTRA SMALL PHONES (< 480px) ===== */
@media (max-width: 479px) {
    :root {
        --font-size-base: 14px;
        --spacing-lg: 10px;
        --spacing-xl: 12px;
    }

    html {
        font-size: 14px;
    }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.1rem; }
    h3 { font-size: 1rem; }

    .fc-card {
        padding: var(--spacing-lg);
    }

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-xs);
    }

    .offerwall-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .offer-card {
        padding: var(--spacing-md);
    }

    .offer-card img {
        width: 50px;
        height: 50px;
    }

    .topbar {
        flex-wrap: wrap;
    }

    .user-balance {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: var(--spacing-sm);
    }
}

/* ===== UTILITY CLASSES ===== */
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }

.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-5 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.opacity-10 { opacity: 0.1; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.rounded-3 { border-radius: 12px; }
.rounded-4 { border-radius: 16px; }
.rounded-circle { border-radius: 50%; }

.border { border: 1px solid var(--fc-border); }
.border-top { border-top: 1px solid var(--fc-border); }
.border-bottom { border-bottom: 1px solid var(--fc-border); }
.border-secondary { border-color: var(--fc-border) !important; }

.bg-dark { background-color: var(--fc-surface) !important; }
.bg-transparent { background-color: transparent !important; }

.cursor-pointer { cursor: pointer; }
.text-decoration-none { text-decoration: none; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }

.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.start-0 { left: 0; }
.end-0 { right: 0; }

.m-0 { margin: 0; }
.m-3 { margin: var(--spacing-md); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-y-auto { overflow-y: auto; }

.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--fc-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}