:root {
    --bg: #f4f5f7;
    --sidebar-bg: #1e2433;
    --sidebar-text: #aab2c5;
    --sidebar-active: #2c3548;
    --card-bg: #ffffff;
    --text: #22272e;
    --muted: #7a8194;
    --border: #e3e6ec;
    --primary: #3b6ef6;
    --primary-hover: #2f5be0;
    --danger: #e5484d;
    --success-bg: #e6f6ec;
    --success-text: #1a7f43;
    --error-bg: #fdecec;
    --error-text: #c92a2a;
    --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
}

/* Layout */
.app { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 20px 12px;
    flex-shrink: 0;
}

.sidebar .logo {
    color: #fff;
    font-weight: 700;
    font-size: 17px;
    padding: 8px 12px 24px;
}

.sidebar nav { display: flex; flex-direction: column; gap: 2px; }

.sidebar nav a {
    color: var(--sidebar-text);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.15s;
}

.sidebar nav a:hover { background: var(--sidebar-active); color: #fff; }
.sidebar nav a.active { background: var(--primary); color: #fff; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar h1 { font-size: 19px; }

.user-block { display: flex; align-items: center; gap: 12px; }
.user-login { font-weight: 600; }

.content { padding: 28px; max-width: 1100px; }

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 20px;
}

.card h3 { margin-bottom: 14px; font-size: 16px; }

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.card-link {
    text-decoration: none;
    color: var(--text);
    transition: box-shadow 0.15s, transform 0.15s;
    margin-bottom: 0;
}

.card-link:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-2px); }
.card-link .card-icon { font-size: 28px; margin-bottom: 10px; }
.card-link p { color: var(--muted); font-size: 13px; margin-top: 6px; }

/* Stub */
.stub-badge {
    display: inline-block;
    background: #fff3cd;
    color: #8a6d1a;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.stub h3 { margin-top: 18px; font-size: 14px; color: var(--muted); }
.stub ul { margin: 10px 0 0 20px; color: var(--muted); line-height: 1.9; }

/* Forms */
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 600; }

input[type="text"], input[type="password"], select {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
}

input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: var(--primary); }

.form-inline { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }

/* Buttons */
.btn {
    padding: 9px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(0.92); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--muted); padding: 6px 10px; }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-block { width: 100%; }

/* Table */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
tr:last-child td { border-bottom: none; }

/* Badges */
.badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
}

.badge-admin { background: #ede6fd; color: #6b3ddb; }
.badge-support { background: #e3f0fd; color: #1d6fc4; }
.badge-success { background: var(--success-bg); color: var(--success-text); }
.badge-error { background: var(--error-bg); color: var(--error-text); }
.badge-warn { background: #fff3cd; color: #8a6d1a; }
.badge-muted { background: #edeff2; color: #7a8194; }

/* Flash */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: var(--success-bg); color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); }
.flash-warn { background: #fff8e6; color: #8a6d1a; }
.flash code { background: rgba(0,0,0,0.06); padding: 1px 6px; border-radius: 4px; font-size: 13px; }

.muted { color: var(--muted); font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.section-sep { border: none; border-top: 1px solid var(--border); margin: 28px 0; }

/* Спиннер пошагового выполнения */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }
tr.running { background: #f7f9ff; }
textarea { border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; font-size: 14px; }
textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: var(--primary); }

/* Auth page */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: var(--sidebar-bg);
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 36px 32px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.auth-card .logo { font-size: 20px; font-weight: 700; text-align: center; margin-bottom: 26px; }
.auth-card form { display: flex; flex-direction: column; gap: 16px; }