* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #f4f7fb;
    color: #1e293b;
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: #2563eb;
}

.topbar {
    min-height: 72px;
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: 2px;
    text-decoration: none;
    color: #0f172a;
}

.mainnav {
    display: flex;
    gap: 34px;
}

.mainnav a {
    color: #475569;
    font-weight: 600;
    text-decoration: none;
}

.mainnav a:hover {
    color: #2563eb;
}

.account {
    justify-self: end;
    position: relative;
}

.account-button {
    border: 1px solid #dbe3ef;
    background: #f8fafc;
    padding: 11px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 15px;
    color: #1e293b;
}

.dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 52px;
    width: 240px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 13px;
    box-shadow: 0 18px 45px rgba(15,23,42,.15);
    overflow: hidden;
}

.dropdown.show {
    display: block;
}

.dropdown a {
    display: block;
    padding: 14px 17px;
    text-decoration: none;
    color: #334155;
}

.dropdown a:hover {
    background: #f1f5f9;
}

.dropdown .logout {
    color: #dc2626;
    border-top: 1px solid #e2e8f0;
}

.container {
    max-width: 1100px;
    margin: 45px auto;
    padding: 0 22px;
}

.hero {
    padding: 35px 0 20px;
}

.hero h1 {
    font-size: 38px;
    margin: 0 0 10px;
}

.hero p {
    color: #64748b;
    font-size: 18px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 22px;
}

.card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 4px 16px rgba(15,23,42,.04);
}

.card h2,
.card h3 {
    margin-top: 0;
}

.muted {
    color: #64748b;
}

.button,
button.primary {
    border: 0;
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 11px 17px;
    border-radius: 9px;
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
}

button.success {
    background: #16a34a;
    color: white;
    border: 0;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
}

button.danger {
    background: #dc2626;
    color: white;
    border: 0;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
}

button.warning {
    background: #ea580c;
    color: white;
    border: 0;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 9px;
    padding: 12px 13px;
    margin: 7px 0 14px;
    font: inherit;
    background: white;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

label {
    font-weight: 600;
}

.alert {
    padding: 13px;
    border-radius: 9px;
    margin-bottom: 18px;
}

.alert.error {
    color: #991b1b;
    background: #fee2e2;
}

.alert.success {
    color: #166534;
    background: #dcfce7;
}

.status-pending {
    color: #b45309;
}

.status-active {
    color: #15803d;
}

.login-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 25px;
    background:
        radial-gradient(circle at top left,#dbeafe,transparent 40%),
        #f8fafc;
}

.login-box {
    width: 100%;
    max-width: 430px;
    background: white;
    padding: 38px;
    border-radius: 18px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 24px 70px rgba(15,23,42,.12);
}

.login-box h1 {
    text-align: center;
    letter-spacing: 2px;
}

.login-box .subtitle {
    text-align: center;
    color: #64748b;
    margin-bottom: 25px;
}

.login-box button {
    width: 100%;
}

.article-content {
    white-space: pre-wrap;
    line-height: 1.7;
}

.file-info {
    padding: 12px;
    border-radius: 9px;
    background: #f8fafc;
}

.inline {
    display: inline;
}

@media(max-width:760px) {
    .topbar {
        grid-template-columns: 1fr auto;
        padding: 0 18px;
    }

    .mainnav {
        grid-column: 1 / -1;
        grid-row: 2;
        justify-content: center;
        padding: 12px 0;
        gap: 22px;
    }

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

    .hero h1 {
        font-size: 30px;
    }
}