:root {
    --bg: var(--tg-theme-bg-color, #ffffff);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #f1f1f4);
    --text: var(--tg-theme-text-color, #16191e);
    --hint: var(--tg-theme-hint-color, #8a8f98);
    --link: var(--tg-theme-link-color, #2f86eb);
    --button: var(--tg-theme-button-color, #2f86eb);
    --button-text: var(--tg-theme-button-text-color, #ffffff);
    --danger: #e0464a;
    --success: #2faa5b;
    --radius: 14px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.4;
}

#app { max-width: 640px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--secondary-bg);
}
.topbar h1 { font-size: 18px; font-weight: 600; margin: 0; flex: 1; text-align: center; }
.icon-btn {
    background: none;
    border: none;
    color: var(--link);
    font-size: 22px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.icon-btn:active { background: var(--secondary-bg); }

#content { flex: 1; padding: 16px; }

.loader, .empty { text-align: center; color: var(--hint); padding: 40px 16px; }

.card {
    background: var(--secondary-bg);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: transform 0.08s ease;
}
.card:active { transform: scale(0.985); }
.card .card-body { flex: 1; min-width: 0; }
.card .card-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card .card-sub { color: var(--hint); font-size: 13px; margin-top: 2px; }
.card .chevron { color: var(--hint); font-size: 20px; }

.badge {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    white-space: nowrap;
}
.badge.on { background: rgba(47,170,91,0.15); color: var(--success); }
.badge.off { background: rgba(224,70,74,0.15); color: var(--danger); }

.section-title { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--hint); margin: 18px 4px 8px; }

.rule {
    background: var(--secondary-bg);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 10px;
}
.rule-head { display: flex; align-items: center; gap: 10px; }
.rule-cmd { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 600; }
.rule-route { color: var(--hint); font-size: 13px; margin-top: 4px; word-break: break-word; }
.rule-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

.btn {
    border: none;
    border-radius: 10px;
    padding: 9px 14px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: var(--secondary-bg);
    color: var(--text);
}
.btn.primary { background: var(--button); color: var(--button-text); width: 100%; padding: 14px; font-size: 16px; }
.btn.ghost { background: transparent; color: var(--link); border: 1px solid var(--secondary-bg); }
.btn.small { padding: 7px 12px; font-size: 13px; }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: 0.5; cursor: default; }

.switch { margin-left: auto; }
.toggle { position: relative; width: 46px; height: 28px; display: inline-block; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider {
    position: absolute; inset: 0; background: #c4c8cf; border-radius: 999px; transition: 0.2s;
}
.toggle .slider::before {
    content: ""; position: absolute; height: 22px; width: 22px; left: 3px; top: 3px;
    background: #fff; border-radius: 50%; transition: 0.2s;
}
.toggle input:checked + .slider { background: var(--success); }
.toggle input:checked + .slider::before { transform: translateX(18px); }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--hint); margin-bottom: 6px; }
.field input, .field select, .field textarea {
    width: 100%;
    padding: 13px 14px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: var(--secondary-bg);
    color: var(--text);
    font-size: 16px;
    appearance: none;
    font-family: inherit;
}
.field textarea { resize: vertical; min-height: 110px; line-height: 1.4; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--link); }
.field .hint { font-size: 12px; color: var(--hint); margin-top: 6px; }

.fab-wrap { position: sticky; bottom: 0; padding: 12px 0 16px; background: linear-gradient(to top, var(--bg) 70%, transparent); }

.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 8px; }
.stat {
    background: var(--secondary-bg); border-radius: var(--radius); padding: 16px;
}
.stat .num { font-size: 26px; font-weight: 700; }
.stat .lbl { color: var(--hint); font-size: 13px; margin-top: 2px; }

.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    background: rgba(20,22,26,0.92);
    color: #fff;
    padding: 12px 18px;
    border-radius: 12px;
    font-size: 14px;
    max-width: 90%;
    text-align: center;
    z-index: 100;
    transition: opacity 0.25s ease;
}
.toast.error { background: var(--danger); }

.hidden { display: none !important; }