:root {
    --navy: #112240;
    --navy-soft: #1b3358;
    --accent: #0a66c2;
    --accent-soft: #e8f0fa;
    --bg: #f4f6f9;
    --card: #ffffff;
    --border: #e3e7ed;
    --text: #212529;
    --muted: #6c757d;
    --danger: #b91c1c;
    --danger-bg: #fdecec;
    --success: #15803d;
    --success-bg: #e8f6ed;
    --warn: #b45309;
    --warn-bg: #fdf3e3;
    --radius: 10px;
    --sidebar-w: 232px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------------------------------- app shell */

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

.sidebar {
    width: var(--sidebar-w);
    background: var(--navy);
    color: #fff;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar .brand {
    padding: 20px 18px 16px;
    border-bottom: 1px solid rgba(255,255,255,.09);
}
.sidebar .brand .name { font-size: 16px; font-weight: 700; letter-spacing: .2px; }
.sidebar .brand .tag { font-size: 11px; color: #9db4d4; margin-top: 2px; }

.sidebar nav { padding: 12px 10px; flex: 1; }
.sidebar .nav-label {
    font-size: 10px; text-transform: uppercase; letter-spacing: .8px;
    color: #7f96b8; padding: 14px 10px 6px;
}
.sidebar nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 10px; margin-bottom: 2px;
    color: #d6e0ee; border-radius: 7px; font-size: 13.5px;
    text-decoration: none;
}
.sidebar nav a:hover { background: rgba(255,255,255,.07); color: #fff; text-decoration: none; }
.sidebar nav a.active { background: var(--accent); color: #fff; font-weight: 600; }
.sidebar nav a svg { width: 16px; height: 16px; flex-shrink: 0; opacity: .9; }

.sidebar .side-foot {
    padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.09);
    font-size: 11px; color: #8ea5c4;
}

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

.topbar {
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 12px 24px; display: flex; align-items: center;
    justify-content: space-between; gap: 14px;
}
.topbar .who { font-size: 13px; color: var(--muted); }
.topbar .who strong { color: var(--text); }
.topbar .role-pill {
    background: var(--accent-soft); color: var(--accent);
    padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: .4px; margin-left: 6px;
}

.container { padding: 22px 24px 40px; max-width: 1180px; width: 100%; }

.credit {
    text-align: center; padding: 18px; color: var(--muted); font-size: 12px;
    border-top: 1px solid var(--border); margin-top: auto; background: #fff;
}
.credit .heart { color: #e0245e; }

/* ------------------------------------------------------------ headings */

.page-head {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 16px; margin-bottom: 18px; flex-wrap: wrap;
}
h1 { font-size: 21px; margin: 0 0 4px; font-weight: 700; }
h2 { font-size: 15px; margin: 0 0 12px; font-weight: 700; }
.sub { color: var(--muted); font-size: 13px; margin: 0; max-width: 640px; }
.muted { color: var(--muted); }

/* --------------------------------------------------------------- cards */

.card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 18px; margin-bottom: 18px;
}
.card.tight { padding: 14px 18px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px 18px;
}
.stat .label { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); font-weight: 700; }
.stat .value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.stat .value.accent { color: var(--accent); }
.stat .value.warn { color: var(--warn); }

/* -------------------------------------------------------------- tables */

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th {
    font-size: 11px; text-transform: uppercase; letter-spacing: .5px;
    color: var(--muted); font-weight: 700; background: #fafbfc;
}
tbody tr:hover { background: #fafbfc; }
td.num, th.num { text-align: right; }

/* --------------------------------------------------------------- forms */

label { display: block; margin: 12px 0 5px; font-size: 12.5px; font-weight: 600; }
input, select, textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--border);
    border-radius: 7px; font-size: 14px; font-family: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(10,102,194,.12);
}
input[type=checkbox] { width: auto; }
.field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.field-row > div { flex: 1; min-width: 150px; }

.btn {
    display: inline-block; background: var(--accent); color: #fff; border: 1px solid var(--accent);
    padding: 9px 16px; border-radius: 7px; font-size: 13.5px; font-weight: 600;
    cursor: pointer; text-decoration: none; margin-top: 12px; font-family: inherit;
}
.btn:hover { background: #08549e; text-decoration: none; color: #fff; }
.btn.secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: #f4f6f9; color: var(--text); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: #971616; }
.btn.sm { padding: 6px 11px; font-size: 12.5px; margin-top: 0; }

.toolbar {
    display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 12px 14px; margin-bottom: 16px;
}
.toolbar input[type=search], .toolbar input[type=text] { flex: 1; min-width: 200px; }
.toolbar .btn { margin-top: 0; }

/* ------------------------------------------------------- pills/alerts */

.badge, .pill {
    display: inline-block; padding: 3px 10px; border-radius: 999px;
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .3px;
}
.badge.draft { background: #eef0f3; color: var(--muted); }
.badge.pending_approval { background: var(--warn-bg); color: var(--warn); }
.badge.approved { background: var(--success-bg); color: var(--success); }
.badge.rejected { background: var(--danger-bg); color: var(--danger); }
.badge.finalized, .badge.delivered { background: var(--accent-soft); color: var(--accent); }
.pill.ok { background: var(--success-bg); color: var(--success); }

.error, .success, .info {
    padding: 11px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 13.5px;
}
.error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f5c9c9; }
.success { background: var(--success-bg); color: var(--success); border: 1px solid #bfe3cc; }
.info { background: var(--accent-soft); color: #0b4d91; border: 1px solid #c9dcf3; }

.alert-action {
    background: var(--warn-bg); border: 1px solid #f0d9a8; border-radius: var(--radius);
    padding: 16px 18px; margin-bottom: 18px;
    display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}

/* ------------------------------------------------------- panel library */

.lib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }
.lib-card {
    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
    padding: 14px; cursor: pointer; display: block;
}
.lib-card:hover { border-color: var(--accent); }
.lib-card.is-have { opacity: .6; cursor: default; }
.lib-top { display: flex; gap: 10px; align-items: flex-start; }
.lib-top input { margin-top: 3px; }
.lib-name { font-weight: 700; font-size: 14px; }
.lib-desc { font-size: 12px; color: var(--muted); margin-top: 2px; }
.lib-params {
    font-size: 11.5px; color: var(--muted); margin-top: 9px;
    padding-top: 9px; border-top: 1px dashed var(--border); line-height: 1.6;
}

/* --------------------------------------------------------------- login */

.auth-wrap { display: flex; min-height: 100vh; }
.auth-art {
    flex: 1; background: linear-gradient(160deg, #112240 0%, #0a66c2 100%);
    color: #fff; padding: 48px; display: flex; flex-direction: column; justify-content: center;
}
.auth-art h2 { font-size: 26px; margin-bottom: 10px; color: #fff; }
.auth-art p { color: #c3d5ec; max-width: 380px; font-size: 14px; }
.auth-art ul { color: #c3d5ec; font-size: 13.5px; padding-left: 18px; margin-top: 18px; }
.auth-art li { margin-bottom: 7px; }
.auth-art svg { max-width: 320px; margin-bottom: 26px; }

.auth-form {
    width: 420px; background: #fff; padding: 48px 44px;
    display: flex; flex-direction: column; justify-content: center;
}
.auth-form h1 { font-size: 23px; }
.auth-credit { margin-top: 28px; font-size: 12px; color: var(--muted); text-align: center; }
.auth-credit .heart { color: #e0245e; }

@media (max-width: 860px) {
    .auth-art { display: none; }
    .auth-form { width: 100%; padding: 32px 24px; }
    .sidebar { position: fixed; left: -100%; z-index: 50; transition: left .2s; }
    .sidebar.open { left: 0; }
    .menu-btn { display: inline-flex !important; }
}
.menu-btn { display: none; background: none; border: 1px solid var(--border); border-radius: 7px; padding: 6px 10px; cursor: pointer; }

/* ------------------------------------------------------------- manual */

.manual h2 { margin-top: 26px; padding-bottom: 8px; border-bottom: 2px solid var(--accent-soft); }
.manual h3 { font-size: 14px; margin: 18px 0 6px; }
.manual ol, .manual ul { padding-left: 20px; }
.manual li { margin-bottom: 6px; }
.manual code {
    background: #f1f3f6; padding: 2px 6px; border-radius: 4px; font-size: 12.5px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
}
.step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px; border-radius: 50%; background: var(--accent);
    color: #fff; font-size: 12px; font-weight: 700; margin-right: 8px;
}