/* ========== VARIABLES ========== */
:root {
    --black: #000000;
    --white: #ffffff;
    --dark-grey: #27262a;
    --grey: #2a2a2a;
    --light-grey: #b3b3b3;
    --pink-start: #fa0177;
    --pink-end: #ee2684;
    --gold-start: #c5a556;
    --gold-end: #e8d793;

    --font-family: 'TildaSans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;

    --transition: 0.2s ease-in-out;
    --border-radius: 15px;
    --button-radius: 50px;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background: var(--black);
    color: var(--white);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== TYPOGRAPHY ========== */
h1 {
    font-size: 90px;
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -4px;
    text-transform: uppercase;
    margin-bottom: 30px;
    background: linear-gradient(45deg, var(--white), var(--light-grey));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 58px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 20px;
    color: var(--white);
}

h3 {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--white);
}

p {
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

/* ========== CONTAINER ========== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* ========== HEADER ========== */
.header {
    padding: 40px 0;
    text-align: center;
    border-bottom: 1px solid var(--grey);
    margin-bottom: 50px;
}

.header h1 {
    font-size: 72px;
    margin-bottom: 10px;
}

.header p {
    font-size: 22px;
    opacity: 0.7;
}

/* ========== STATS CARDS ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.stat-card {
    background: linear-gradient(135deg, var(--dark-grey), var(--grey));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0px 0px 50px 0px rgba(255, 255, 255, 0.05);
    transition: all var(--transition);
    cursor: pointer;
}

.stat-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0px 0px 50px 0px rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 18px;
    font-weight: 600;
    opacity: 0.7;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-value {
    font-size: 58px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(90deg, var(--pink-start), var(--pink-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card.gold .stat-value {
    background: linear-gradient(90deg, var(--gold-start), var(--gold-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== SECTION ========== */
.section {
    margin-bottom: 60px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--grey);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: -1px;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 40px;
    border-radius: var(--button-radius);
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(0.591turn, var(--pink-start), var(--pink-end));
    color: var(--white);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: scale(1.02);
    box-shadow: 0px 10px 30px rgba(250, 1, 119, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
}

/* ========== FILTERS ========== */
.filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 30px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius);
    border: 1px solid var(--grey);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-group input,
.filter-group select {
    padding: 12px 18px;
    background: var(--dark-grey);
    border: 1px solid var(--grey);
    border-radius: 10px;
    color: var(--white);
    font-size: 16px;
    font-family: var(--font-family);
    transition: all var(--transition);
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--pink-start);
    box-shadow: 0 0 0 3px rgba(250, 1, 119, 0.1);
}

.filter-group select option {
    background: var(--dark-grey);
    color: var(--white);
}

/* ========== TABLE ========== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--grey);
    background: rgba(255, 255, 255, 0.02);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

thead {
    background: var(--dark-grey);
}

thead th {
    padding: 18px 20px;
    text-align: left;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 1px;
    opacity: 0.8;
    border-bottom: 2px solid var(--grey);
}

thead th.sortable {
    cursor: pointer;
    user-select: none;
    transition: all var(--transition);
}

thead th.sortable:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.05);
}

.sort-icon {
    display: inline-block;
    margin-left: 8px;
    font-size: 14px;
    opacity: 0.4;
    transition: all var(--transition);
}

.sort-icon::before {
    content: '⇅';
}

thead th.sortable:hover .sort-icon {
    opacity: 0.8;
}

thead th.sortable.sorted-asc .sort-icon {
    opacity: 1;
    color: var(--pink-start);
}

thead th.sortable.sorted-asc .sort-icon::before {
    content: '▲';
}

thead th.sortable.sorted-desc .sort-icon {
    opacity: 1;
    color: var(--pink-start);
}

thead th.sortable.sorted-desc .sort-icon::before {
    content: '▼';
}

tbody tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition);
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

tbody td {
    padding: 16px 20px;
}

/* ========== BADGES ========== */
.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active {
    background: rgba(107, 203, 119, 0.2);
    color: #6bcb77;
    border: 1px solid #6bcb77;
}

.badge-expired {
    background: rgba(250, 1, 119, 0.2);
    color: var(--pink-start);
    border: 1px solid var(--pink-start);
}

.badge-in-channel {
    background: rgba(232, 215, 147, 0.2);
    color: var(--gold-end);
    border: 1px solid var(--gold-end);
}

.badge-not-in-channel {
    background: rgba(250, 1, 119, 0.2);
    color: var(--pink-start);
    border: 1px solid var(--pink-start);
}

/* ========== LOADING ========== */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--pink-start);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-size: 18px;
    opacity: 0.7;
}

/* ========== EMPTY STATE ========== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    opacity: 0.5;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.empty-state-text {
    font-size: 20px;
}

/* ========== SEARCH ========== */
.search-box {
    position: relative;
    margin-bottom: 30px;
}

.search-box input {
    width: 100%;
    padding: 18px 60px 18px 24px;
    background: var(--dark-grey);
    border: 2px solid var(--grey);
    border-radius: var(--button-radius);
    color: var(--white);
    font-size: 18px;
    font-family: var(--font-family);
    transition: all var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--pink-start);
    box-shadow: 0 0 0 4px rgba(250, 1, 119, 0.1);
}

.search-box button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(0.591turn, var(--pink-start), var(--pink-end));
    border: none;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition);
}

.search-box button:hover {
    transform: translateY(-50%) scale(1.05);
}

/* ========== TABS ========== */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--grey);
    flex-wrap: wrap;
}

.tab {
    padding: 15px 30px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.tab:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.02);
}

.tab.active {
    color: var(--white);
    border-bottom-color: var(--pink-start);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

/* ========== MOBILE RESPONSIVE ========== */
@media screen and (max-width: 1199px) {
    h1 { font-size: 64px; }
    h2 { font-size: 48px; }
    .stat-value { font-size: 48px; }
}

@media screen and (max-width: 959px) {
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .filters {
        flex-direction: column;
    }

    .filter-group {
        min-width: 100%;
    }

    h1 { font-size: 52px; }
    h2 { font-size: 38px; }
    .section-title { font-size: 32px; }
}

@media screen and (max-width: 639px) {
    .container {
        padding: 20px 15px;
    }

    .header {
        padding: 30px 0;
        margin-bottom: 30px;
    }

    .header h1 {
        font-size: 42px;
    }

    .header p {
        font-size: 16px;
    }

    h1 { font-size: 36px; letter-spacing: -2px; }
    h2 { font-size: 28px; }
    h3 { font-size: 20px; }

    .stat-card {
        padding: 20px;
    }

    .stat-card h3 {
        font-size: 14px;
    }

    .stat-value {
        font-size: 36px;
    }

    .section-title {
        font-size: 26px;
    }

    .btn {
        padding: 14px 30px;
        font-size: 16px;
    }

    .table-wrapper {
        font-size: 13px;
    }

    thead th,
    tbody td {
        padding: 12px 10px;
    }

    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .tab {
        flex-shrink: 0;
        padding: 12px 20px;
        font-size: 16px;
    }
}

@media screen and (max-width: 479px) {
    .header h1 {
        font-size: 32px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 28px;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--dark-grey);
}

::-webkit-scrollbar-thumb {
    background: var(--grey);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--light-grey);
}

/* ========== UTILITIES ========== */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mt-30 {
    margin-top: 30px;
}

.hidden {
    display: none;
}

/* ========== CHARTS ========== */
.chart-container {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--grey);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
}

.chart-container canvas {
    max-height: 400px;
}

/* Payments table scrollable wrapper */
.payments-table-scroll {
    max-height: 500px;
    overflow-y: auto;
    position: relative;
}

/* Sticky header for payments table */
.payments-table-scroll table thead {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--dark-grey);
}

.payments-table-scroll table thead th {
    background: var(--dark-grey);
}