/* --- 1. Variables & Global Reset --- */
:root {
    /* --- BRAND CORES --- */
    --brand-blue: #0096c7;
    --hover-blue: #4dabff;
    /* --- NEW CANVAS BALANCE --- */
    /* Lighter, slate-tinted midnight for the main workspace body */
    --body-bg: #0b1519;
    /* Deep obsidian for the fixed navigation anchors */
    --bar-bg: #03090b;
    /* The NavShelf background: sits right between the bar and body */
    --shelf-bg: #070e10;
    /* --- TYPOGRAPHY & LINES --- */
    --text-white: #f8f9fa;
    /* Soft cyan-gray tone for secondary text and structural borders */
    --payoff-color: #90e0ef;
    --border-low-opacity: rgba(144, 224, 239, 0.08);
    --border-mid-opacity: rgba(144, 224, 239, 0.18);
    --header-height: 92px;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    background-color: var(--bar-bg);
    color: var(--text-white);
    overflow-x: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* --- 2. Layout: Top Bar --- */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bar-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem 0 1rem;
    z-index: 1000;
    border-bottom: 1px solid rgba(144, 224, 239, 0.15);
}

/* --- 3. Branding & Logo --- */
.brand {
    text-decoration: none;
    display: flex;
    align-items: center;
    height: 100%;
}

.brand-mark {
    height: 70px;
    width: auto;
    flex-shrink: 0;
    filter: drop-shadow(0 0 12px rgba(0, 180, 216, 0.5));
    transition: transform 0.3s ease;
}

.brand:hover .brand-mark {
    transform: rotate(5deg) scale(1.05);
}

.text-column {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 16px;
    margin-left: 8px;
    height: 70px;
}

.brand-main {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-white);
    letter-spacing: -0.5px;
    line-height: 1;
}

.brand-accent {
    color: var(--brand-blue);
}

.payoff-line {
    font-size: 0.82rem;
    color: var(--payoff-color);
    margin-top: 2px;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

/* --- 4. Page Structure --- */
.page-wrapper {
    display: flex;
    flex-direction: column;
    flex: 1 0 auto;
    padding-top: var(--header-height);
    box-sizing: border-box;
    background-color: var(--bar-bg);
    position: relative;
    transition: padding-right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    background-color: var(--body-bg) !important;
}

/* --- Responsive Logic --- */
@media (max-width: 1200px) {
    .top-bar {
        padding: 0 2rem;
    }
}

/* --- Custom Scrollbar Branding --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bar-bg);
    border-left: 1px solid rgba(144, 224, 239, 0.05);
}

::-webkit-scrollbar-thumb {
    background: var(--brand-blue);
    border-radius: 10px;
    border: 2px solid var(--bar-bg);
}

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

* {
    scrollbar-width: thin;
    scrollbar-color: var(--brand-blue) var(--bar-bg);
}