:root {
    --navy-950: #07152f;
    --navy-900: #0b1f43;
    --blue-700: #155eef;
    --blue-600: #2878ff;
    --blue-100: #eaf2ff;
    --cyan-400: #50d5ff;
    --ink: #17233d;
    --muted: #667085;
    --line: #dce5f2;
    --surface: #ffffff;
    --page: #f3f7fc;
    --success: #087e5b;
    --danger: #c4324b;
    --shadow: 0 22px 55px rgba(11, 31, 67, .14);
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body.admin-ui {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 8% 0%, rgba(80, 213, 255, .16), transparent 29rem),
        radial-gradient(circle at 100% 15%, rgba(40, 120, 255, .12), transparent 34rem),
        var(--page);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 15px;
}

body.admin-ui::before {
    content: "";
    position: fixed;
    inset: 0 0 auto 0;
    height: 6px;
    z-index: 10;
    background: linear-gradient(90deg, var(--cyan-400), var(--blue-600), #7248ee);
}

.admin-ui form { min-height: 100vh; }

.app-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0 48px;
}

.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--navy-900);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.brand img {
    width: 38px;
    height: 38px;
    padding: 7px;
    border-radius: 12px;
    background: var(--navy-900);
    object-fit: contain;
    box-shadow: 0 8px 18px rgba(11, 31, 67, .22);
}

.language-switcher {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    border: 1px solid rgba(21, 94, 239, .14);
    border-radius: 12px;
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 6px 20px rgba(11, 31, 67, .08);
    backdrop-filter: blur(10px);
}

.language-switcher button {
    min-width: 48px;
    padding: 8px 10px;
    border: 0;
    border-radius: 8px;
    color: var(--muted);
    background: transparent;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .04em;
    cursor: pointer;
    transition: .18s ease;
}

.language-switcher button:hover { color: var(--blue-700); background: var(--blue-100); }
.language-switcher button.is-active { color: #fff; background: var(--blue-700); box-shadow: 0 5px 12px rgba(21, 94, 239, .25); }

.app-card {
    overflow: hidden;
    border: 1px solid rgba(220, 229, 242, .92);
    border-radius: 22px;
    background: rgba(255, 255, 255, .97);
    box-shadow: var(--shadow);
}

.app-hero {
    display: flex;
    align-items: center;
    gap: 15px;
    min-height: 94px;
    padding: 22px 28px;
    color: #fff;
    background: linear-gradient(125deg, var(--navy-950), var(--navy-900) 58%, #133d80);
}

.app-hero img {
    width: 46px !important;
    height: 46px !important;
    padding: 8px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .11);
    object-fit: contain;
}

.app-hero__copy { min-width: 0; }
.app-hero h1 { margin: 0; font-size: clamp(20px, 3vw, 28px); line-height: 1.15; font-weight: 750; }
.app-hero p { margin: 6px 0 0; color: #c9d8f4; font-size: 13px; }

.app-content { padding: 28px; }
.app-content > table, .form-table { width: 100% !important; border-collapse: separate !important; border-spacing: 0 10px !important; }
.form-table > tbody > tr > td { padding: 3px 8px; border: 0; background: transparent !important; color: var(--ink) !important; vertical-align: middle; }
.form-table > tbody > tr > td:first-child { width: 38%; color: #344054 !important; font-weight: 650; }

.admin-ui input[type="text"],
.admin-ui input[type="password"],
.admin-ui input[type="email"],
.admin-ui select,
.admin-ui textarea {
    width: 100% !important;
    min-height: 42px;
    padding: 9px 12px;
    border: 1px solid #cfd9e7 !important;
    border-radius: 10px;
    color: var(--ink) !important;
    background: #fbfdff !important;
    font: inherit;
    outline: none;
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.admin-ui input:focus, .admin-ui select:focus, .admin-ui textarea:focus {
    border-color: var(--blue-600) !important;
    background: #fff !important;
    box-shadow: 0 0 0 4px rgba(40, 120, 255, .12);
}

.admin-ui input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--blue-700); }
.admin-ui input[type="submit"], .admin-ui input[type="button"] {
    min-height: 44px;
    padding: 10px 18px;
    border: 0;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue-700), var(--blue-600));
    font: inherit;
    font-weight: 750;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(21, 94, 239, .2);
    transition: transform .18s ease, box-shadow .18s ease;
}

.admin-ui input[type="submit"]:hover, .admin-ui input[type="button"]:hover { transform: translateY(-1px); box-shadow: 0 11px 24px rgba(21, 94, 239, .28); }
.admin-ui a { color: var(--blue-700) !important; font-weight: 700; text-decoration: none; }
.admin-ui a:hover { text-decoration: underline; }
.password-row table { width: 100%; }
.password-row table td:last-child { width: 38px; text-align: center; }
.password-row i { color: var(--blue-700); cursor: pointer; }

.app-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 58px;
    padding: 12px 28px;
    border-top: 1px solid var(--line);
    background: #f8fbff;
}

.app-footer img { width: 24px !important; height: 18px !important; object-fit: contain; }
.status-message { display: block; min-height: 20px; color: var(--danger); font-weight: 650; }

.menu-grid, .sites-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.action-tile { display: flex; align-items: center; min-height: 94px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg, #fff, #f5f9ff); box-shadow: 0 9px 24px rgba(11, 31, 67, .08); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.action-tile:hover { transform: translateY(-2px); border-color: rgba(40, 120, 255, .42); box-shadow: 0 14px 30px rgba(11, 31, 67, .14); }
.action-tile__icon { flex: 0 0 88px; width: 88px !important; height: 94px !important; padding: 16px; background: linear-gradient(145deg, #eff5ff, #e4edfc); object-fit: contain; }
.action-tile input[type="submit"], .action-tile input[type="button"] { flex: 1; width: 100%; min-height: 94px; padding: 18px 20px; border-radius: 0; color: var(--navy-900); background: transparent; box-shadow: none; text-align: left; }
.action-tile input[type="submit"]:hover, .action-tile input[type="button"]:hover { transform: none; color: var(--blue-700); box-shadow: none; }
.sites-grid .action-tile { background: linear-gradient(135deg, var(--navy-900), #194d9e); border-color: transparent; }
.sites-grid .action-tile__icon { background: rgba(255, 255, 255, .93); }
.sites-grid .action-tile input[type="submit"] { color: #fff; }
.sites-grid .action-tile input[type="submit"]:hover { color: var(--cyan-400); }

.form-action { display: flex; align-items: stretch; overflow: hidden; width: 100%; min-height: 52px; border: 1px solid rgba(21, 94, 239, .18); border-radius: 12px; background: #edf4ff; }
.form-action img { flex: 0 0 58px; width: 58px; height: 52px; padding: 9px; background: #fff; object-fit: contain; }
.form-action input[type="submit"], .form-action input[type="button"] { flex: 1; width: 100%; min-height: 52px; border-radius: 0; box-shadow: none; }
.login-card { width: min(560px, 100%); margin: 4vh auto 0; }
.login-card .app-content { padding: 34px; }
.login-card .form-table > tbody > tr > td:first-child { width: 30%; }
.section-row > td { padding-top: 18px !important; color: var(--blue-700) !important; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }

@media (max-width: 720px) {
    .app-shell { width: min(100% - 20px, 1120px); padding-top: 22px; }
    .app-topbar { align-items: flex-start; gap: 14px; }
    .brand span { display: none; }
    .app-content, .login-card .app-content { padding: 20px 16px; }
    .app-hero { padding: 20px; }
    .form-table, .form-table tbody, .form-table tr, .form-table td { display: block; width: 100% !important; }
    .form-table tr { margin-bottom: 12px; }
    .form-table td { padding: 4px 0 !important; }
    .menu-grid, .sites-grid { grid-template-columns: 1fr; }
    .action-tile { min-height: 82px; }
    .action-tile__icon { flex-basis: 76px; width: 76px !important; height: 82px !important; padding: 13px; }
    .action-tile input[type="submit"], .action-tile input[type="button"] { min-height: 82px; padding: 14px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}