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

:root {
    --sidebar-width: 200px;
    --sidebar-collapsed-width: 56px;
    --header-height: 50px;
    --app-bg: #0a0a0f;
    --surface: #13131a;
    --border: #1e1e2e;
    --card-bg: #13131a;
    --card-border: #1e1e2e;
    --text-primary: #ffffff;
    --text-muted: #888;
    --accent: #f5a800;
    --negative: #e05c5c;
}

.section-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--app-bg);
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    justify-content: center;
}

.window-wrapper {
    width: 100%;
    max-width: 1280px;
    height: 100vh;
    height: 100dvh;
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--header-height) 1fr;
    transition: grid-template-columns 0.25s ease;
}

.window-wrapper.sidebar-collapsed {
    --sidebar-width: var(--sidebar-collapsed-width);
}

@media (max-width: 768px) {
    .window-wrapper {
        --sidebar-width: var(--sidebar-collapsed-width);
    }
}

@media (hover: none) and (pointer: coarse), (max-width: 768px) and (pointer: coarse) {
    .window-wrapper {
        grid-template-columns: 0 1fr;
    }
    .sidebar-container {
        display: none;
    }
    .header-container,
    .content-container {
        grid-column: 1 / -1;
    }
    /* Prevent iOS auto-zoom on input focus */
    input, select, textarea {
        font-size: 16px !important;
    }
}

.content-container {
    grid-column: 2;
    grid-row: 2;
    overflow-y: auto;
    background-color: var(--app-bg);
    padding: 20px;
    position: relative;
}

/* ── View loader ── */
@keyframes loader-spin {
    to { transform: rotate(360deg); }
}

.loader-ring {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: loader-spin 0.75s linear infinite;
}

.view-loader-overlay {
    position: absolute;
    inset: 0;
    background: var(--app-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: opacity 0.3s ease;
}

/* ── Global scrollbar styling ── */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--card-border) var(--card-bg);
}

*::-webkit-scrollbar {
    width: 6px;
}

*::-webkit-scrollbar-track {
    background: var(--card-bg);
}

*::-webkit-scrollbar-thumb {
    background-color: var(--card-border);
    border-radius: 3px;
}

*::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}