/* =========================================================
   EMEtic — EME srl Serial Numbers
   Brand palette taken from eme-srl.com (2024 identity):
   navy #1D3D72 on light neutral backgrounds.
   ========================================================= */

:root {
    --eme-navy: #1D3D72;
    --eme-navy-dark: #16305C;
    --eme-navy-light: #2C4F8C;
    --eme-bg: #F5F7FA;
    --eme-accent: #65BC7B;
}

body {
    background-color: var(--eme-bg);
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #2b2b2b;
}

main > .container {
    padding: 104px 15px 30px;
}

/* ---------- Navbar ---------- */

.navbar-eme {
    background-color: var(--eme-navy);
}

.navbar-eme .brand-logo {
    height: 34px;
    background: #fff;
    border-radius: 4px;
    padding: 3px 8px;
}

.navbar-eme .brand-app {
    font-weight: 600;
    letter-spacing: .04em;
}

.navbar-eme .nav-link {
    color: rgba(255, 255, 255, .85);
}

.navbar-eme .nav-link:hover,
.navbar-eme .nav-link.active {
    color: #fff;
}

/* ---------- Buttons ---------- */

.btn-eme {
    background-color: var(--eme-navy);
    border-color: var(--eme-navy);
    color: #fff;
}

.btn-eme:hover, .btn-eme:focus {
    background-color: var(--eme-navy-dark);
    border-color: var(--eme-navy-dark);
    color: #fff;
}

/* ---------- Login ---------- */

.login-body {
    background: linear-gradient(160deg, var(--eme-navy) 0%, var(--eme-navy-light) 60%, #3d63a3 100%);
}

.login-card {
    border: none;
    border-radius: 14px;
}

.login-logo {
    max-height: 80px;
}

.login-subtitle {
    color: var(--eme-navy);
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: .9rem;
}

/* ---------- Serial number mask ---------- */

.serial-mask {
    max-width: 900px;
    margin: 0 auto;
    border: none;
    border-radius: 12px;
}

.mask-title {
    color: var(--eme-navy);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: .03em;
}

.mode-box {
    background-color: #fafbfd;
}

.mode-box .form-check-label {
    font-weight: 500;
}

.qty-input {
    width: 90px;
    font-size: 1.3rem;
    font-weight: 600;
}

.preview-row .preview-box {
    width: 90px;
    text-align: center;
    font-size: 1.4rem;
    font-weight: 600;
    font-family: Consolas, "Courier New", monospace;
    background-color: #fff;
}

.preview-row .preview-wide {
    width: 130px;
}

.btn-start {
    background: none;
    border: none;
    color: #0d6efd;
    font-size: 2.2rem;
    font-weight: 800;
    text-decoration: underline;
    letter-spacing: .05em;
}

.btn-start:hover {
    color: var(--eme-navy);
}

.btn-start:disabled {
    color: #9bb3d4;
}

.sn-badge {
    background-color: var(--eme-navy);
    font-family: Consolas, "Courier New", monospace;
    font-size: 1rem;
    margin: 2px;
}

/* ---------- Generic pages ---------- */

.page-title {
    color: var(--eme-navy);
    font-size: 1.5rem;
    font-weight: 700;
}

.card {
    border-radius: 10px;
}

/* ---------- GridView ---------- */

.not-set {
    color: #c55;
    font-style: italic;
}

a.asc:after, a.desc:after {
    content: '';
    left: 3px;
    display: inline-block;
    width: 0;
    height: 0;
    border: solid 5px transparent;
    margin: 4px 4px 2px 4px;
    background: transparent;
}

a.asc:after {
    border-bottom: solid 7px #212529;
    border-top-width: 0;
}

a.desc:after {
    border-top: solid 7px #212529;
    border-bottom-width: 0;
}

.grid-view th {
    white-space: nowrap;
}

.hidden {
    display: none;
}

/* ---------- Responsive (tablet / phone) ---------- */

@media (max-width: 767.98px) {
    main > .container {
        padding: 76px 12px 24px;
    }

    .serial-mask .card-body {
        padding: 1.25rem !important;
    }

    .mask-title {
        font-size: 1.2rem;
        text-align: center;
    }

    .preview-row .preview-box {
        width: 62px;
        font-size: 1.1rem;
    }

    .preview-row .preview-wide {
        width: 96px;
    }

    .btn-start {
        font-size: 1.8rem;
    }

    /* Comfortable touch targets */
    #qty-plus, #qty-minus {
        min-width: 44px;
        min-height: 34px;
        font-size: 1.1rem;
    }

    .qty-input {
        width: 80px;
    }

    .mode-box .form-check-label {
        font-size: .92rem;
    }

    .page-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 575.98px) {
    .navbar-eme .brand-logo {
        height: 28px;
    }

    .navbar-eme .brand-app {
        font-size: .9rem;
    }

    .login-logo {
        max-height: 60px;
    }
}

/* Logout link inside navbar form */
.nav-link.logout {
    color: rgba(255, 255, 255, .85);
    text-decoration: none;
    border: none;
}

.nav-link.logout:hover {
    color: #fff;
}