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

:root {
    --background: #09090b;
    --foreground: #fafafa;
    --primary: #f43f5e;
    --primary-hover: #fb7185;
    --primary-foreground: #fff;
    --card: #18181b;
    --card-foreground: #fafafa;
    --border: #27272a;
    --muted: #a1a1aa;
    --muted-foreground: #e4e4e7;
    --elevated: #1c1c1f;
    --elevated-soft: rgba(30, 30, 35, 0.5);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --error: #f87171;
    --error-bg: rgba(244, 63, 94, 0.12);
    --balance: #10b981;
    --spent: #fb7185;
    --shadow: rgba(0, 0, 0, 0.5);
    --radius: 1rem;

    --bg-page: var(--background);
    --bg-elevated: var(--elevated);
    --bg-card: var(--card);
    --bg-muted: var(--elevated-soft);
    --border-strong: #3f3f46;
    --text: var(--foreground);
    --text-muted: var(--muted);
    --accent: var(--primary);
    --accent-hover: var(--primary-hover);
}

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-page);
    background-image: radial-gradient(circle at 50% 0%, rgba(244, 63, 94, 0.12) 0%, transparent 55%);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1400px;
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 40px -10px var(--shadow);
    margin-bottom: 20px;
}

.card--compact {
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    padding: 18px 20px;
    transition: max-width 0.25s ease, padding 0.25s ease;
}

.card--compact .input-group {
    margin-bottom: 12px;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    color: var(--text);
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.input-group input {
    flex: 1;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input::placeholder {
    color: var(--text-muted);
}

.input-group input:focus {
    outline: none;
    border-color: rgba(244, 63, 94, 0.45);
    box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.18);
}

.input-group button {
    padding: 12px 30px;
    background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    color: var(--primary-foreground);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: filter 0.2s, box-shadow 0.2s;
    box-shadow: 0 10px 30px -10px rgba(244, 63, 94, 0.45);
}

.input-group button:hover {
    filter: brightness(1.06);
    box-shadow: 0 14px 36px -10px rgba(244, 63, 94, 0.55);
}

.input-group button:disabled {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    box-shadow: none;
    filter: none;
    cursor: not-allowed;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.stat-box {
    background: linear-gradient(145deg, rgba(30, 30, 35, 0.5) 0%, rgba(15, 15, 20, 0.5) 100%);
    color: var(--text);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--accent);
}

.stat-box-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.stat-box-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.models-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
}

.model-card {
    background: linear-gradient(145deg, rgba(30, 30, 35, 0.5) 0%, rgba(15, 15, 20, 0.5) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 20px;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
}

.model-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 18px;
    align-items: start;
}

.model-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 15px;
}

.model-chart {
    min-width: 0;
    min-height: 300px;
}

.model-chart > div {
    width: 100% !important;
    min-height: 300px;
}

.model-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    align-content: start;
}

.mini-stat {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px;
    border-radius: 6px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-left: 3px solid var(--accent);
    min-width: 0;
}

.mini-stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 5px;
}

.mini-stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.loading {
    display: none;
    text-align: center;
    padding: 20px;
    color: var(--accent);
}

.error {
    background: var(--error-bg);
    color: #fda4af;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    border: 1px solid rgba(244, 63, 94, 0.28);
    border-left: 4px solid var(--primary);
}

.success {
    background: var(--success-bg);
    color: #34d399;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    border: 1px solid rgba(16, 185, 129, 0.35);
    border-left: 4px solid var(--success);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.info-item {
    background: rgba(255, 255, 255, 0.03);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-left: 3px solid var(--accent);
}

.info-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 5px;
}

.info-value {
    font-size: 16px;
    color: var(--text);
    word-break: break-all;
}

.info-value.balance {
    color: var(--balance);
    font-weight: bold;
}

.info-value.spent {
    color: var(--spent);
}

h2 {
    margin: 30px 0 20px;
    color: var(--text);
    font-size: 20px;
    font-weight: 600;
}

@media (max-width: 992px) {
    .container {
        padding: 12px;
    }

    .card {
        padding: 22px;
    }

    .card.card--compact {
        padding: 16px 18px;
    }

    .header h1 {
        font-size: 26px;
    }

    .model-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .card {
        padding: 18px;
    }

    .card.card--compact {
        padding: 14px 16px;
    }

    .header h1 {
        font-size: 22px;
    }

    .input-group {
        flex-direction: column;
        align-items: stretch;
    }

    .input-group input,
    .input-group button {
        width: 100%;
        box-sizing: border-box;
        font-size: 15px;
        padding: 12px 14px;
    }

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

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

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

    .model-layout {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 20px;
    }

    .card {
        padding: 14px;
        border-radius: 8px;
    }

    .card.card--compact {
        padding: 12px 14px;
    }

    .stat-box {
        padding: 14px;
    }

    .stat-box-value {
        font-size: 20px;
    }

    .mini-stat {
        padding: 8px;
    }

    .mini-stat-value {
        font-size: 16px;
    }

    .model-chart > div {
        height: 240px !important;
        min-height: 240px;
    }

    .model-card {
        padding: 14px;
    }
}

.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}