:root {
    --alvic-navy: #07165c;
    --alvic-blue: #0b2f8a;
    --alvic-sky: #1b73e8;
    --alvic-gold: #ffc107;
    --alvic-bg: #f4f7fb;
    --alvic-card: #ffffff;
    --alvic-border: #d9e2ef;
    --alvic-text: #172033;
    --alvic-muted: #6c7890;
    --alvic-success: #198754;
    --alvic-danger: #dc3545;
}

html {
    font-size: 14px;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    margin: 0;
    background: radial-gradient(circle at top right, rgba(27,115,232,.16), transparent 36%), linear-gradient(180deg, #f7f9fd 0%, #eef3fa 100%);
    color: var(--alvic-text);
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

/* ===== Layout ERP ===== */
.app-shell {
    min-height: 100vh;
    display: flex;
}

.app-sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--alvic-navy), #04103f);
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 22px 18px;
    box-shadow: 8px 0 28px rgba(7, 22, 92, .20);
}

.brand-box {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 8px 24px 8px;
    border-bottom: 1px solid rgba(255,255,255,.14);
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    background: #fff;
    color: var(--alvic-navy);
    font-weight: 900;
    font-size: 1.35rem;
    box-shadow: 0 8px 22px rgba(0,0,0,.18);
}

.brand-title {
    font-weight: 900;
    letter-spacing: .9px;
    font-size: 1.18rem;
}

.brand-subtitle {
    font-size: .82rem;
    color: rgba(255,255,255,.74);
}

.side-menu {
    margin-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.side-link {
    color: rgba(255,255,255,.86);
    text-decoration: none;
    border-radius: 12px;
    padding: 12px 13px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 650;
    transition: all .18s ease;
}

    .side-link:hover {
        color: #fff;
        background: rgba(255,255,255,.12);
        transform: translateX(3px);
    }

.side-icon {
    width: 24px;
    height: 24px;
    border-radius: 8px;
    background: rgba(255,255,255,.12);
    display: inline-grid;
    place-items: center;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 18px;
}

.version-badge {
    background: rgba(255,255,255,.10);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 12px;
    padding: 11px 12px;
    font-size: .86rem;
    color: rgba(255,255,255,.82);
    text-align: center;
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    min-height: 78px;
    background: rgba(255,255,255,.86);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--alvic-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-title {
    font-size: 1.28rem;
    color: var(--alvic-navy);
    font-weight: 850;
}

.topbar-subtitle {
    color: var(--alvic-muted);
    font-size: .86rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-pill {
    display: flex;
    align-items: center;
    gap: 9px;
    background: #f1f5fb;
    border: 1px solid var(--alvic-border);
    border-radius: 999px;
    padding: 7px 12px;
    font-weight: 700;
    color: #26344f;
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--alvic-navy);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: .75rem;
}

.content-card {
    margin: 26px 28px 0 28px;
    padding: 28px;
    background: var(--alvic-card);
    border: 1px solid var(--alvic-border);
    border-radius: 20px;
    box-shadow: 0 12px 34px rgba(20,40,90,.08);
}

.app-footer {
    color: var(--alvic-muted);
    padding: 18px 28px 24px;
    font-size: .88rem;
}

    .app-footer span {
        margin: 0 8px;
    }

/* ===== General components ===== */
h1, h2, h3, h4, h5 {
    color: var(--alvic-navy);
    font-weight: 850;
}

h2 {
    margin-bottom: 18px;
}

h4 {
    font-size: 1.08rem;
    margin-top: 18px;
    margin-bottom: 12px;
}

label {
    color: #25324d;
    font-weight: 700;
    margin-bottom: 5px;
}

.form-control,
.form-select,
select.form-control {
    border-radius: 11px;
    border: 1px solid #ccd8e8;
    min-height: 39px;
}

    .form-control:focus,
    .form-select:focus {
        border-color: var(--alvic-sky);
        box-shadow: 0 0 0 .18rem rgba(27,115,232,.14);
    }

.btn {
    border-radius: 11px;
    font-weight: 750;
    letter-spacing: .1px;
}

.btn-primary,
.btn-alvic {
    background: var(--alvic-blue);
    border-color: var(--alvic-blue);
    color: #fff;
}

    .btn-primary:hover,
    .btn-alvic:hover {
        background: var(--alvic-navy);
        border-color: var(--alvic-navy);
        color: #fff;
    }

.btn-alvic-outline {
    background: #fff;
    border: 1px solid var(--alvic-border);
    color: var(--alvic-blue);
}

    .btn-alvic-outline:hover {
        background: var(--alvic-blue);
        border-color: var(--alvic-blue);
        color: #fff;
    }

.btn-warning {
    color: #111;
    background: var(--alvic-gold);
    border-color: var(--alvic-gold);
}

.card {
    border: 1px solid var(--alvic-border);
    border-radius: 18px;
    box-shadow: 0 8px 22px rgba(20,40,90,.08);
    transition: transform .18s ease, box-shadow .18s ease;
}

    .card:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 28px rgba(20,40,90,.13);
    }

.card-title {
    color: var(--alvic-navy);
    font-weight: 850;
}

.card-text {
    color: var(--alvic-muted);
}

.table {
    border-radius: 14px;
    overflow: hidden;
    background: #fff;
}

    .table thead th {
        background: var(--alvic-navy);
        color: #fff;
        border-color: var(--alvic-navy);
        font-weight: 800;
    }

    .table td,
    .table th {
        vertical-align: middle;
    }

.alert {
    border-radius: 13px;
    border: none;
}

hr {
    border-top: 1px solid #d6e0ee;
    opacity: 1;
}

/* ===== Login ===== */
.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px;
    background: radial-gradient(circle at 20% 15%, rgba(255,193,7,.14), transparent 22%), radial-gradient(circle at 80% 25%, rgba(27,115,232,.22), transparent 28%), linear-gradient(135deg, #07165c 0%, #0b2f8a 52%, #04103f 100%);
}

.login-card-pro {
    width: min(460px, 100%);
    background: rgba(255,255,255,.96);
    border: 1px solid rgba(255,255,255,.65);
    border-radius: 24px;
    padding: 34px;
    box-shadow: 0 24px 60px rgba(0,0,0,.28);
}

.login-logo {
    display: block;
    max-width: 230px;
    margin: 0 auto 16px auto;
}

.login-title {
    text-align: center;
    color: var(--alvic-navy);
    font-weight: 900;
    font-size: 1.45rem;
}

.login-subtitle {
    text-align: center;
    color: var(--alvic-muted);
    margin-bottom: 22px;
}

.login-footer {
    text-align: center;
    color: #7a8496;
    font-size: .82rem;
    margin-top: 18px;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .app-shell {
        display: block;
    }

    .app-sidebar {
        width: 100%;
        min-height: auto;
    }

    .side-menu {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .sidebar-footer {
        display: none;
    }

    .topbar {
        position: relative;
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        padding: 18px;
    }

    .content-card {
        margin: 16px;
        padding: 18px;
        border-radius: 16px;
    }
}