:root {
    --bg: #eef3f8;
    --panel: rgba(255, 255, 255, 0.92);
    --panel-border: #d7e0ea;
    --text: #132238;
    --muted: #5f7288;
    --primary: #1463ff;
    --primary-dark: #0b4fd1;
    --secondary: #0f9d7a;
    --secondary-dark: #0a7b5f;
    --danger: #d94841;
    --shadow: 0 18px 40px rgba(19, 34, 56, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Trebuchet MS", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(20, 99, 255, 0.12), transparent 32%),
        radial-gradient(circle at bottom right, rgba(15, 157, 122, 0.12), transparent 28%),
        var(--bg);
}

.auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 19, 35, 0.4);
    backdrop-filter: blur(6px);
}

.auth-card,
.sidebar,
.info-panel,
#chart {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    box-shadow: var(--shadow);
}

.auth-card {
    width: min(92vw, 360px);
    border-radius: 20px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.auth-card h2,
.sidebar h2,
.info-panel-title {
    margin: 0 0 8px;
}

.auth-card input[type="email"],
.auth-card input[type="password"],
select {
    width: 100%;
    border: 1px solid #cad5e2;
    border-radius: 12px;
    padding: 11px 12px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
}

.auth-remember {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--muted);
}

#auth-submit {
    border: 0;
    border-radius: 12px;
    padding: 12px 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.auth-status {
    min-height: 18px;
    font-size: 13px;
    color: var(--danger);
}

.container {
    display: flex;
    gap: 16px;
    padding: 16px;
    min-height: 100vh;
}

.sidebar,
.info-panel {
    border-radius: 20px;
    padding: 20px;
}

.sidebar {
    width: 270px;
}

.chart-container {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

#chart {
    width: 100%;
    height: clamp(420px, 68vh, 760px);
    border-radius: 24px;
}

.info-panel {
    width: 340px;
    flex: 0 0 340px;
}

.runtime-badge {
    display: inline-flex;
    align-items: center;
    margin-bottom: 14px;
    padding: 8px 12px;
    border-radius: 999px;
    background: #edf4ff;
    color: #2454a6;
    font-size: 13px;
    font-weight: 600;
}

.action-btn {
    width: 100%;
    border: 0;
    border-radius: 14px;
    padding: 13px 16px;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
    margin-bottom: 10px;
}

.action-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.action-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.action-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 12px 24px rgba(20, 99, 255, 0.22);
}

.action-btn-secondary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    box-shadow: 0 12px 24px rgba(15, 157, 122, 0.2);
}

.info-panel-status {
    margin: 14px 0;
    min-height: 42px;
    color: var(--muted);
    line-height: 1.45;
}

.forecast-levels {
    padding-top: 14px;
    border-top: 1px solid #dde6f0;
    font-size: 14px;
    line-height: 1.8;
}

@media (max-width: 1100px) {
    .container {
        flex-wrap: wrap;
    }

    .sidebar,
    .chart-container,
    .info-panel {
        width: 100%;
        flex: 1 1 100%;
    }
}

/* Bars info block under chart */
.bars-info {
    margin-top: 12px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    padding: 12px 14px;
    color: var(--muted);
    font-size: 14px;
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: flex-start;
}
.bars-info label {
    color: var(--text);
    font-weight: 600;
    margin-right: 6px;
}
.bars-info input[type="number"] {
    border: 1px solid #cad5e2;
    border-radius: 8px;
    padding: 8px 10px;
    width: 110px;
    background: #fff;
    color: var(--text);
}