:root {
    --bg: #f4f5f9;
    --card: #ffffff;
    --text: #182033;
    --muted: #5f6879;
    --primary: #2458e6;
    --ok: #0f9d58;
    --bad: #d93025;
    --border: #dce1eb;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: linear-gradient(180deg, #edf2ff 0%, var(--bg) 280px);
    color: var(--text);
}

.container {
    max-width: 920px;
    margin: 0 auto;
    padding: 20px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}

h1, h2 { margin-top: 0; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.topbar nav a {
    text-decoration: none;
    margin-right: 12px;
    color: var(--primary);
}

label { display: block; margin-bottom: 6px; }
input, select, button {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
}
button {
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
}
button.secondary {
    background: #e8ecf7;
    color: var(--text);
}
.speaker-btn {
    padding: 4px 8px;
    margin-left: 6px;
    background: #e8ecf7;
    color: #17326e;
    border: 1px solid #c8d3eb;
    border-radius: 7px;
    line-height: 1;
}
.speaker-btn:hover {
    background: #dbe6ff;
}

.user-list { list-style: none; padding: 0; margin: 0; }
.user-list li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.muted { color: var(--muted); }

.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
    margin: 12px 0;
}

.feedback-ok { color: var(--ok); }
.feedback-bad { color: var(--bad); }

.daily-goal-box {
    margin-bottom: 14px;
    background: #f8fbff;
}

.daily-goal-box p {
    margin: 4px 0;
}

.daily-goal-success {
    margin-bottom: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #a8ddb4;
    background: #e8f7ed;
    color: #0c6b3b;
    font-weight: 600;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.stat-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
}
.stat-box .label { color: var(--muted); font-size: 13px; }
.stat-box .value { font-size: 28px; font-weight: 700; }

table { width: 100%; border-collapse: collapse; }
th, td {
    text-align: left;
    border-bottom: 1px solid var(--border);
    padding: 10px;
}

@media (max-width: 700px) {
    .topbar nav a { display: inline-block; margin-bottom: 8px; }
}