:root {
    --blue: #14557f;
    --green: #4caf2f;
    --green-dark: #3d9426;
    --bg: #eef1f4;
    --card: #fff;
    --border: #d8dee4;
    --text: #1f2d3d;
    --muted: #6b7a89;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ===== LOGIN ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #14557f, #0d3a57);
}
.login-box {
    background: #fff;
    padding: 40px 34px;
    border-radius: 16px;
    width: 100%;
    max-width: 360px;
    box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.login-box h1 { font-size: 22px; color: var(--blue); text-align: center; }
.login-sub { text-align: center; color: var(--muted); margin-bottom: 22px; font-size: 14px; }
.login-box label { display: block; margin-bottom: 14px; font-size: 14px; font-weight: 600; }
.login-box input {
    width: 100%;
    margin-top: 6px;
    padding: 11px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
}

/* ===== ADMIN ===== */
.admin-header {
    background: var(--blue);
    color: #fff;
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 10;
}
.admin-header-inner {
    max-width: 920px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.admin-header-actions { display: flex; gap: 18px; }
.link-muted { color: rgba(255,255,255,.85); text-decoration: none; font-size: 14px; }
.link-muted:hover { color: #fff; }

.admin-main {
    max-width: 920px;
    margin: 0 auto;
    padding: 26px 20px 80px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px 24px;
    margin-bottom: 20px;
}
.card h2 {
    font-size: 18px;
    color: var(--blue);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eef1f4;
}
.card h3 { font-size: 14px; color: var(--muted); margin: 18px 0 10px; }
.hint { font-size: 13px; color: var(--muted); margin-bottom: 14px; }

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 14px; color: #44525f; }
input[type=text], input[type=password], input[type=file] {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 400;
    color: var(--text);
}
input:focus { outline: none; border-color: var(--green); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
.preview { display: block; max-height: 70px; margin: 8px 0; border-radius: 6px; border: 1px solid var(--border); }
.preview.dark { background: #213f59; padding: 6px; }

/* Rows (menu / wpp) */
.menu-block {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 14px;
    background: #fafbfc;
}
.row { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.row input { margin-top: 0; }
.sub-row { padding-left: 14px; }
.sub-arrow { color: var(--muted); font-size: 16px; }
.submenu-list { margin: 8px 0; }

.btn-del {
    background: #fbe9e9;
    color: #c0392b;
    border: none;
    border-radius: 6px;
    width: 34px; height: 38px;
    cursor: pointer;
    font-size: 14px;
    flex-shrink: 0;
}
.btn-del:hover { background: #f5cdcd; }

.btn-add, .btn-add-sub {
    background: #eef6ea;
    color: var(--green-dark);
    border: 1px dashed var(--green);
    border-radius: 8px;
    padding: 8px 14px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
}
.btn-add:hover, .btn-add-sub:hover { background: #e2efdb; }
.btn-add-sub { margin-top: 4px; font-size: 12px; padding: 6px 10px; }

.save-bar {
    position: sticky;
    bottom: 0;
    background: var(--bg);
    padding: 16px 0;
    text-align: right;
    border-top: 1px solid var(--border);
}
.btn-primary {
    background: var(--green);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 13px 28px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
}
.btn-primary:hover { background: var(--green-dark); }

.alert { padding: 13px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.alert-success { background: #e6f4ea; color: #256c39; border: 1px solid #b7dcc2; }
.alert-error { background: #fbe9e9; color: #c0392b; border: 1px solid #f0c0c0; }

@media (max-width: 600px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .row { flex-wrap: wrap; }
    .row input { flex: 1 1 100%; }
}