:root {
    --sidebar-width: 280px;
    --topbar-height: 74px;
    --ink: #172033;
    --muted: #6b7280;
    --line: #e5e7eb;
    --surface: #ffffff;
    --page: #f5f7fb;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success-soft: #e8f7ef;
    --warning-soft: #fff7df;
}

body {
    color: var(--ink);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0;
}

.auth-body {
    min-height: 100vh;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, .14), rgba(20, 184, 166, .12)),
        #eef3f8;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(320px, 460px);
    align-items: center;
    gap: 48px;
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0;
}

.auth-panel {
    max-width: 620px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}

.auth-title {
    font-size: clamp(2.2rem, 5vw, 4.6rem);
    line-height: 1;
    max-width: 600px;
    margin-bottom: 20px;
}

.auth-copy {
    max-width: 540px;
    color: #4b5563;
    font-size: 1.08rem;
}

.auth-highlights {
    display: grid;
    gap: 12px;
    margin-top: 34px;
}

.auth-highlights div {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #253047;
}

.auth-highlights i {
    color: var(--primary);
    font-size: 1.2rem;
}

.login-card {
    background: rgba(255, 255, 255, .92);
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: 8px;
    padding: 34px;
    box-shadow: 0 24px 70px rgba(23, 32, 51, .14);
}

.app-body {
    background: var(--page);
}

.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width);
    background: #111827;
    color: #fff;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.sidebar-brand small {
    display: block;
    color: rgba(255, 255, 255, .62);
}

.sidebar-nav {
    display: grid;
    gap: 4px;
    margin-top: 20px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 8px;
    color: rgba(255, 255, 255, .74);
    text-decoration: none;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: rgba(255, 255, 255, .1);
    color: #fff;
}

.sidebar-link i {
    width: 22px;
    text-align: center;
}

.sidebar-footer {
    margin-top: auto;
    padding: 14px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .08);
}

.app-main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    height: var(--topbar-height);
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
    z-index: 1030;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 0 28px;
}

.topbar-search {
    position: relative;
    flex: 1;
    max-width: 560px;
}

.topbar-search i {
    position: absolute;
    top: 50%;
    left: 14px;
    transform: translateY(-50%);
    color: var(--muted);
}

.topbar-search .form-control {
    padding-left: 42px;
    border-radius: 8px;
    background: #f8fafc;
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.notification-dot {
    position: absolute;
    top: 9px;
    right: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
}

.user-menu {
    border: 0;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px;
}

.avatar,
.profile-avatar {
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: #dbeafe;
    color: var(--primary-dark);
    font-weight: 800;
}

.avatar {
    width: 42px;
    height: 42px;
}

.user-meta strong,
.user-meta small {
    display: block;
    text-align: left;
}

.user-meta small {
    color: var(--muted);
    font-size: .78rem;
}

.content-area {
    padding: calc(var(--topbar-height) + 28px) 28px 36px;
}

.page-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}

.page-heading h1 {
    font-size: 2rem;
    margin-bottom: 6px;
}

.section-kicker {
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .76rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
}

.heading-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.metric-card,
.panel,
.module-tile {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, .04);
}

.metric-card {
    display: flex;
    gap: 14px;
    padding: 18px;
}

.metric-card span,
.metric-card small {
    display: block;
    color: var(--muted);
}

.metric-card strong {
    display: block;
    font-size: 1.45rem;
    margin: 2px 0;
}

.metric-icon {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: var(--primary-dark);
    background: #dbeafe;
    flex: 0 0 auto;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 18px;
    margin-bottom: 18px;
}

.panel {
    padding: 20px;
}

.span-2 {
    min-width: 0;
}

.panel-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.panel-header h2 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.panel-header p {
    color: var(--muted);
    margin-bottom: 0;
}

.table {
    margin-bottom: 0;
}

.task-list,
.feature-list {
    display: grid;
    gap: 12px;
}

.task-item,
.feature-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.task-item small {
    display: block;
    color: var(--muted);
}

.feature-item {
    justify-content: flex-start;
}

.feature-item i {
    color: #16a34a;
}

.quick-module-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.module-tile {
    padding: 18px;
    text-decoration: none;
    color: var(--ink);
    display: grid;
    gap: 6px;
}

.module-tile i {
    color: var(--primary);
    font-size: 1.4rem;
}

.module-tile span {
    font-weight: 700;
}

.module-tile small {
    color: var(--muted);
}

.profile-panel {
    display: flex;
    gap: 22px;
    align-items: flex-start;
}

.profile-avatar {
    width: 72px;
    height: 72px;
    font-size: 1.3rem;
}

.profile-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.profile-fields div {
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 14px;
}

.profile-fields span,
.profile-fields strong {
    display: block;
}

.profile-fields span {
    color: var(--muted);
    font-size: .84rem;
}

@media (max-width: 1100px) {
    .metric-grid,
    .quick-module-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform .2s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .app-main {
        margin-left: 0;
    }

    .topbar {
        left: 0;
    }
}

@media (max-width: 760px) {
    .auth-shell {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .auth-title {
        font-size: 2.4rem;
    }

    .login-card {
        padding: 24px;
    }

    .content-area {
        padding-inline: 16px;
    }

    .topbar {
        padding: 0 14px;
    }

    .topbar-search {
        display: none;
    }

    .page-heading,
    .panel-header {
        display: block;
    }

    .heading-actions {
        margin-top: 14px;
    }

    .metric-grid,
    .quick-module-grid,
    .profile-fields {
        grid-template-columns: 1fr;
    }

    .profile-panel {
        display: block;
    }

    .profile-avatar {
        margin-bottom: 18px;
    }
}