:root {
    --bg-dark: #0f1115;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    /* Brand Colors */
    --x-color: #1da1f2;
    --twitch-color: #9146FF;
    --yt-color: #FF0000;

    /* Glassmorphism */
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Background Animated Orbs */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(145, 70, 255, 0.15);
    /* Twitch purple */
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(29, 161, 242, 0.15);
    /* X blue */
    bottom: 10%;
    right: -50px;
    animation-delay: -5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: rgba(255, 0, 0, 0.1);
    /* YT red */
    bottom: -50px;
    left: 20%;
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translateY(0) translateX(0);
    }

    100% {
        transform: translateY(-30px) translateX(30px);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
.app-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

.gradient-text {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Tabs */
.tabs-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.influencer-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: translateY(-2px);
}

.tab-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.del-btn {
    padding: 0.5rem 0.6rem !important;
    font-size: 0.8rem !important;
    border-radius: 0 9999px 9999px 0 !important;
    margin-left: -1px;
    background: rgba(239, 68, 68, 0.1) !important;
    color: #fca5a5 !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
}

.del-btn:hover {
    background: rgba(239, 68, 68, 0.3) !important;
    color: #fff !important;
}

.add-btn {
    background: rgba(79, 70, 229, 0.2) !important;
    color: #a5b4fc !important;
    border-color: rgba(79, 70, 229, 0.4) !important;
}

.add-btn:hover {
    background: rgba(79, 70, 229, 0.4) !important;
    color: #fff !important;
}

/* Glass Card Global */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Summary Grid */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.platform-card {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.icon {
    font-size: 1.5rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 12px;
}

/* Single line metric for X */
.x-card .metrics {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 1rem;
    border-radius: 12px;
    flex-grow: 1;
    justify-content: center;
    align-items: center;
}

.x-card .metric {
    background: none;
    align-items: center;
}

.x-card .value {
    font-size: 2.5rem;
}

.label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.value {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    font-variant-numeric: tabular-nums;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.chart-container h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.canvas-wrapper {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Table Section */
.table-section {
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.table-section h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    font-weight: 700;
}

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

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

th,
td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Utils */
.hidden {
    display: none !important;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 50vh;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: #a5b4fc;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.error-slate {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 2rem;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responive Typography */
@media (max-width: 600px) {
    .gradient-text {
        font-size: 2.25rem;
    }

    .charts-section {
        grid-template-columns: 1fr;
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    width: 90%;
    max-width: 450px;
}

.modal-content h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.form-group input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: #a5b4fc;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    border: none;
    transition: all 0.2s ease;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-primary {
    background: #4f46e5;
    color: #fff;
}

.btn-primary:hover {
    background: #6366f1;
}

.btn-primary:disabled {
    background: #6b7280;
    cursor: not-allowed;
}