:root {
    --lp-bg: #f4f7fb;
    --lp-panel: rgba(255, 255, 255, 0.86);
    --lp-sidebar: linear-gradient(180deg, #0d1b2a 0%, #132a40 100%);
    --lp-accent: #ff7a59;
    --lp-accent-soft: rgba(255, 122, 89, 0.14);
    --lp-border: rgba(19, 42, 64, 0.1);
    --lp-shadow: 0 24px 60px rgba(13, 27, 42, 0.08);
}

[data-bs-theme="dark"] {
    --lp-bg: #08111b;
    --lp-panel: rgba(12, 23, 36, 0.94);
    --lp-sidebar: linear-gradient(180deg, #050b12 0%, #102030 100%);
    --lp-accent-soft: rgba(255, 122, 89, 0.24);
    --lp-border: rgba(255, 255, 255, 0.08);
    --lp-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
}

body {
    font-family: "Manrope", sans-serif;
    background:
        radial-gradient(circle at top right, rgba(255, 122, 89, 0.15), transparent 28%),
        radial-gradient(circle at left top, rgba(18, 121, 255, 0.16), transparent 30%),
        var(--lp-bg);
    min-height: 100vh;
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 300px;
    padding: 2rem 1.4rem;
    background: var(--lp-sidebar);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand-mark {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #ff7a59 0%, #ffb44c 100%);
    color: #08111b;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.content-area {
    flex: 1;
    padding: 2rem;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--lp-accent);
}

.app-nav {
    color: rgba(255, 255, 255, 0.82);
    border-radius: 14px;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.app-nav:hover,
.app-nav.active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.card,
.auth-card,
.stat-card {
    backdrop-filter: blur(18px);
    background: var(--lp-panel);
    border: 1px solid var(--lp-border);
    box-shadow: var(--lp-shadow);
    border-radius: 24px;
}

.stat-card {
    padding: 1.5rem;
}

.stat-card span {
    display: block;
    color: var(--bs-secondary-color);
    margin-bottom: 0.5rem;
}

.stat-card strong {
    font-size: 2rem;
    line-height: 1;
}

.auth-wrap {
    max-width: 560px;
    margin: 6vh auto;
}

.auth-card {
    padding: 2rem;
}

.message-bubble {
    padding: 1rem 1.1rem;
    border-radius: 20px;
    background: rgba(18, 121, 255, 0.08);
    margin-bottom: 1rem;
}

.message-bubble.is-account {
    background: var(--lp-accent-soft);
}

.payload-viewer {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.9rem;
}

.chart-canvas {
    width: 100%;
    max-height: 280px;
}

@media (max-width: 991.98px) {
    .app-shell {
        display: block;
    }

    .sidebar {
        width: auto;
        height: auto;
        position: static;
        padding: 1.2rem;
    }

    .content-area {
        padding: 1.2rem;
    }
}