:root {
    --ink: #172026;
    --muted: #62717a;
    --brand: #0c8f7f;
    --line: #dce7e2;
    --bg: #f3f7f5;
    --white: #fff;
    --danger: #b42318;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--bg);
}

a { color: inherit; text-decoration: none; }

.login-screen {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: linear-gradient(135deg, #0b6159, #172026);
}

.login-card, .panel {
    width: min(100%, 520px);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 28px;
    box-shadow: 0 16px 42px rgba(23,32,38,.14);
}

.login-card h1, .panel h1, .panel h2 { margin: 0 0 10px; line-height: 1.1; }
.login-card p { color: var(--muted); }

label {
    display: grid;
    gap: 7px;
    margin-bottom: 14px;
    font-weight: 800;
}

input, textarea, select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 12px;
    font: inherit;
    background: #fff;
}

button {
    border: 0;
    border-radius: 8px;
    padding: 13px 18px;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    cursor: pointer;
}

.alert {
    margin: 14px 0;
    padding: 12px;
    border-radius: 8px;
    background: #fee4e2;
    color: var(--danger);
    font-weight: 800;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    padding: 18px clamp(18px, 4vw, 52px);
    background: #fff;
    border-bottom: 1px solid var(--line);
}

.admin-header div { display: grid; gap: 3px; }
.admin-header span { color: var(--muted); }
.admin-header nav { display: flex; gap: 16px; font-weight: 800; color: var(--brand); }

.admin-main {
    width: min(1180px, calc(100% - 32px));
    margin: 28px auto 60px;
    display: grid;
    gap: 22px;
}

.panel { width: 100%; }
.grid-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.grid-form .full { grid-column: 1 / -1; }
.check {
    display: flex;
    align-items: center;
    gap: 10px;
}
.check input { width: auto; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
    padding: 13px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}
th { color: var(--muted); }

.danger { color: var(--danger); font-weight: 800; }

.media-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.media-list article {
    display: grid;
    gap: 5px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfdfc;
}
.media-list span { color: var(--muted); }

@media (max-width: 760px) {
    .grid-form, .media-list { grid-template-columns: 1fr; }
    .admin-header { align-items: flex-start; flex-direction: column; }
}