* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: #252525;
    background:
        radial-gradient(circle at top left, rgba(255,255,255,.98), rgba(255,255,255,.55) 35%, transparent 62%),
        linear-gradient(135deg, #f4f6f7 0%, #ffffff 48%, #e9eef1 100%);
}

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 36px 18px;
}

.auth-card {
    position: relative;
    width: min(100%, 560px);
    padding: 42px 44px 34px;
    background: rgba(255,255,255,.98);
    border: 1px solid rgba(30,40,48,.08);
    border-radius: 20px;
    box-shadow: 0 22px 70px rgba(25,38,48,.13);
}

.logo-wrap {
    text-align: center;
    margin-bottom: 24px;
}

.csi-logo {
    display: inline-block;
    width: min(100%, 390px);
    height: auto;
}

.status-badge {
    width: fit-content;
    margin: 0 auto 16px;
    padding: 7px 12px;
    border-radius: 999px;
    background: #edf7fc;
    border: 1px solid #cbe7f5;
    color: #1589c6;
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .09em;
}

h1 {
    margin: 0;
    text-align: center;
    color: #252525;
    font-size: clamp(1.65rem, 4vw, 2.05rem);
    line-height: 1.2;
}

.intro {
    max-width: 440px;
    margin: 14px auto 26px;
    text-align: center;
    color: #63717a;
    line-height: 1.6;
}

.order-box {
    margin: 0;
    padding: 20px 22px;
    text-align: center;
    border-radius: 13px;
    background: #f7fafb;
    border: 1px solid #dfe8ec;
}

.order-box strong {
    display: block;
    color: #30363a;
    margin-bottom: 7px;
}

.order-box p {
    margin: 0 0 13px;
    color: #6a757b;
    line-height: 1.5;
}

.contact-link {
    display: block;
    width: fit-content;
    margin: 7px auto;
    color: #168dcc;
    font-weight: 700;
    text-decoration: none;
}

.contact-link:hover {
    text-decoration: underline;
}

/* Absichtlich sehr unauffälliger Admin-Auslöser */
.admin-trigger {
    display: block;
    margin: 18px auto 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: #c8ced1;
    font: inherit;
    font-size: 10px;
    line-height: 1;
    cursor: default;
    opacity: .45;
}

.admin-trigger:hover {
    opacity: .7;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    place-items: center;
    padding: 20px;
    background: rgba(20, 28, 33, .48);
    backdrop-filter: blur(5px);
}

.modal-backdrop.is-open {
    display: grid;
}

.admin-modal {
    position: relative;
    width: min(100%, 420px);
    padding: 34px 32px 30px;
    background: #fff;
    border-radius: 17px;
    box-shadow: 0 25px 80px rgba(0,0,0,.24);
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 13px;
    width: 34px;
    height: 34px;
    border: 0;
    background: transparent;
    color: #879198;
    font-size: 27px;
    line-height: 1;
    cursor: pointer;
}

.modal-lock {
    width: 48px;
    height: 48px;
    margin: 0 auto 14px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #334e5a;
    background: #f0f3f4;
}

h2 {
    margin: 0 0 24px;
    text-align: center;
    font-size: 1.45rem;
    color: #253238;
}

.field {
    margin-bottom: 17px;
}

label {
    display: block;
    margin-bottom: 7px;
    font-size: .9rem;
    font-weight: 650;
    color: #343a3e;
}

input {
    width: 100%;
    min-height: 48px;
    padding: 11px 13px;
    font: inherit;
    color: #17242b;
    background: #fff;
    border: 1px solid #cbd5da;
    border-radius: 9px;
    outline: none;
    transition: border-color .16s ease, box-shadow .16s ease;
}

input:focus {
    border-color: #249bd6;
    box-shadow: 0 0 0 4px rgba(36,155,214,.12);
}

.login-button {
    width: 100%;
    min-height: 50px;
    margin-top: 5px;
    border: 0;
    border-radius: 9px;
    padding: 12px 18px;
    cursor: pointer;
    font: inherit;
    font-weight: 750;
    color: #fff;
    background: #30363a;
}

.auth-error {
    margin: 0 0 20px;
    padding: 12px 14px;
    border-radius: 9px;
    background: #fff2f2;
    border: 1px solid #efc9c9;
    color: #9b2525;
    font-size: .94rem;
}

@media (max-width: 600px) {
    .auth-page {
        padding: 18px 12px;
    }

    .auth-card {
        padding: 30px 21px 27px;
        border-radius: 15px;
    }

    .csi-logo {
        width: min(100%, 330px);
    }

    .admin-modal {
        padding: 31px 22px 26px;
    }
}