* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body {
    background: var(--color-bg);
    min-height: 100vh;
}

a {
    color: inherit;
}

::selection {
    background: rgba(212, 175, 55, 0.35);
}

.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    min-height: 100vh;
}

/* ------------------------------------------------------------ sidebar (dark ink) */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    background: var(--ink);
    padding: 22px 14px;
    display: flex;
    flex-direction: column;
    color: #fff;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 8px;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.1;
    color: #fff;
}

.brand-mark {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--gold-gradient);
    color: var(--on-gold);
    font-size: 19px;
    font-weight: 800;
}

.sidebar-brand small {
    display: block;
    margin-top: 4px;
    font-size: 9.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--gold-light);
}

.brand-vendor {
    display: block;
    margin: 14px 8px 0;
    padding: 9px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.07);
    color: #e9ecf3;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: none;
}

.nav-label {
    margin: 28px 12px 8px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: #59627a;
    text-transform: uppercase;
}

.sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.sidebar-nav a {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 10px;
    color: #8f98ad;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 2px;
    transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-nav a .ico {
    opacity: 0.85;
}

.sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.09);
    color: #fff;
}

.sidebar-nav a.active .ico {
    color: var(--gold-light);
    opacity: 1;
}

.sidebar-nav .nav-badge {
    margin-left: auto;
}

.sidebar-footer {
    margin-top: 20px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 10px;
    color: #8f98ad;
    font-size: 14px;
    font-weight: 500;
}

.sidebar-footer a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.sidebar-footer a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.09);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding: 8px;
    border-radius: 12px;
}

.avatar {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #2a3347;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.sidebar-user .who {
    min-width: 0;
    line-height: 1.25;
}

.sidebar-user .who strong {
    display: block;
    overflow: hidden;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-user .who span {
    font-size: 11px;
    color: #8f98ad;
    text-transform: capitalize;
}

/* ------------------------------------------------------------ main + topbar (white workspace) */
.main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #fff;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: 0 32px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-soft);
}

.topbar-search {
    position: relative;
    flex: 1;
    max-width: 440px;
    font-size: 14px;
}

.topbar-search .ico {
    position: absolute;
    left: 13px;
    top: 50%;
    width: 16px;
    height: 16px;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    pointer-events: none;
}

.topbar-search input {
    width: 100%;
    background: var(--color-surface-raised);
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 10px 14px 10px 38px;
    color: var(--color-text);
    font-size: 14px;
}

.topbar-search input::placeholder {
    color: #9aa1b2;
}

.topbar-search input:focus {
    outline: none;
    background: #fff;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.16);
}

.topbar-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.topbar-meta .who-email {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-live {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 11px;
    border-radius: 999px;
    background: rgba(31, 138, 91, 0.1);
    color: var(--color-success);
    font-size: 12px;
    font-weight: 600;
}

.status-live::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-success);
    animation: pulse 1.8s infinite;
}

.nav-toggle,
.nav-toggle-btn,
.nav-scrim {
    display: none;
}

.content {
    padding: 28px 32px 56px;
    flex: 1;
    min-width: 0;
}

/* ------------------------------------------------------------ page header: a soft warm banner */
.page-header {
    position: relative;
    overflow: hidden;
    margin-bottom: 24px;
    padding: 24px 28px;
    border-radius: var(--radius-xl);
    border: 1px solid #f0e6c6;
    background:
        radial-gradient(420px 170px at 100% 0%, var(--banner-glow, rgba(212, 175, 55, 0.2)), transparent 72%),
        linear-gradient(120deg, #fffaeb, #ffffff 65%);
}

.page-header::before {
    content: '';
    position: absolute;
    right: -60px;
    top: -80px;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    border: 1px solid rgba(212, 175, 55, 0.22);
    box-shadow: 0 0 0 36px rgba(212, 175, 55, 0.05), 0 0 0 72px rgba(212, 175, 55, 0.03);
    pointer-events: none;
}

.page-header > * {
    position: relative;
}

.page-header h1 {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 0 0 6px;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.page-header h1::before {
    content: '';
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    background: var(--gold-dark);
    -webkit-mask: var(--banner-icon, var(--i-overview)) center / contain no-repeat;
    mask: var(--banner-icon, var(--i-overview)) center / contain no-repeat;
}

.page-header p {
    margin: 0;
    max-width: 640px;
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.55;
}

body[data-page="overview"] { --banner-icon: var(--i-overview); }
body[data-page="orders"], body[data-page="merchant-orders"] { --banner-icon: var(--i-orders); }
body[data-page="products"] { --banner-icon: var(--i-products); }
body[data-page="customers"] { --banner-icon: var(--i-customers); }
body[data-page="warehouses"] { --banner-icon: var(--i-warehouses); }
body[data-page="inventory"] { --banner-icon: var(--i-inventory); }
body[data-page="vendors"] { --banner-icon: var(--i-vendors); }
body[data-page="delivery"] { --banner-icon: var(--i-delivery); }
body[data-page="payments"] { --banner-icon: var(--i-payments); }
body[data-page="payouts"] { --banner-icon: var(--i-payouts); }
body[data-page="storefront"] { --banner-icon: var(--i-storefront); }
body[data-page="early_access"] { --banner-icon: var(--i-early_access); }
body[data-page="loyalty"] { --banner-icon: var(--i-loyalty); }
body[data-page="coupons"] { --banner-icon: var(--i-coupons); }
body[data-page="feels"] { --banner-icon: var(--i-feels); }
body[data-page="reviews"] { --banner-icon: var(--i-reviews); }
body[data-page="settings"] { --banner-icon: var(--i-settings); }
body[data-page="merchant-dashboard"] { --banner-icon: var(--i-overview); }

/* ------------------------------------------------------------ small screens: slide-in menu, no JS needed */
@media (max-width: 1024px) {
    .app-shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .sidebar {
        position: fixed;
        z-index: 60;
        left: 0;
        top: 0;
        width: var(--sidebar-width);
        max-width: 84vw;
        transform: translateX(-105%);
        transition: transform 0.22s ease;
    }

    .nav-toggle {
        display: block;
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }

    .nav-toggle:checked ~ .sidebar {
        transform: translateX(0);
        box-shadow: 20px 0 60px rgba(0, 0, 0, 0.4);
    }

    .nav-toggle:checked ~ .nav-scrim {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 50;
        background: rgba(15, 21, 34, 0.45);
    }

    .nav-toggle-btn {
        display: grid;
        place-items: center;
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--color-surface-raised);
        cursor: pointer;
    }

    .topbar {
        padding: 0 16px;
    }

    .content {
        padding: 16px 16px 40px;
    }

    .page-header {
        padding: 18px;
    }

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

    .topbar-meta .who-email {
        display: none;
    }
}