:root {
    --bg: #0f1420;
    --panel: #1a2130;
    --panel-2: #222b3d;
    --text: #e7ecf3;
    --muted: #9aa7bd;
    --primary: #3b82f6;
    --primary-hover: #2f6fe0;
    --danger: #e05a5a;
    --border: #2c3547;
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

/* Top bar */
.topbar {
    display: flex; align-items: center; gap: 20px;
    padding: 12px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.05rem; }
.topbar nav { display: flex; gap: 16px; flex: 1; flex-wrap: wrap; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--text); text-decoration: none; }
.topbar .sep { color: var(--border); }
.userbox { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.logout { color: var(--danger) !important; }

.container { max-width: 900px; margin: 0 auto; padding: 28px 20px 60px; }

h1 { font-size: 1.6rem; margin: 0 0 16px; }
h2 { font-size: 1.2rem; margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Cards */
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin: 16px 0;
}
.card label { display: block; margin-bottom: 14px; font-weight: 600; }
input, textarea, select {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 400;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--primary); border-color: transparent; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 18px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
}
.btn:hover { background: #2b3448; text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: rgba(224,90,90,.12); }
.btn.small { padding: 5px 10px; font-size: 0.8rem; }
.btn:disabled { opacity: .6; cursor: default; }

.actions-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }

/* Stat cards */
.cards-row { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0; }
.stat-card {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 18px 24px; text-align: center; min-width: 130px;
}
.stat-card .num { font-size: 2rem; font-weight: 700; color: var(--primary); }

/* Tables */
table.list { width: 100%; border-collapse: collapse; margin: 16px 0; }
table.list th, table.list td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: right; }
table.list th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }

/* Search */
.searchbar { display: flex; gap: 10px; margin: 16px 0; }
.searchbar input { flex: 1; margin: 0; }
.hit .hit-head { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.hit .hit-text { color: var(--muted); font-size: 0.9rem; max-height: 120px; overflow: auto; }
.tag { background: var(--primary); color: #fff; font-size: 0.75rem; padding: 2px 8px; border-radius: 20px; }

/* Generated text */
.para { background: var(--panel-2); border-radius: 8px; padding: 16px; white-space: pre-wrap; }
.result h3 { margin-top: 18px; }
.sources { margin: 8px 0; padding-inline-start: 20px; color: var(--muted); font-size: 0.9rem; }
.section h2 { color: var(--primary); }

/* Login */
.login-wrap { max-width: 380px; margin: 60px auto; text-align: center; }
.login-wrap form { text-align: right; margin-top: 20px; }
.login-wrap .btn { width: 100%; }

.inline-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.inline-form input, .inline-form select { width: auto; flex: 1; margin: 0; min-width: 120px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin: 12px 0; }
.alert.error { background: rgba(224,90,90,.15); border: 1px solid var(--danger); color: #ffb4b4; }
.alert.info { background: rgba(59,130,246,.12); border: 1px solid var(--primary); color: #bcd4ff; }

.proposal-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

/* Loading spinner (shown while a proposal generates) */
.spinner {
    width: 46px; height: 46px; margin: 8px auto 16px;
    border: 5px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
details summary { cursor: pointer; color: var(--muted); margin-top: 10px; }