:root {
    --bg: var(--tg-theme-bg-color, #ffffff);
    --text: var(--tg-theme-text-color, #1a1a1a);
    --muted: var(--tg-theme-hint-color, #707579);
    --link: var(--tg-theme-link-color, #2481cc);
    --btn: var(--tg-theme-button-color, #2481cc);
    --btn-text: var(--tg-theme-button-text-color, #ffffff);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #f4f4f5);
    --section-bg: var(--tg-theme-section-bg-color, #ffffff);
    --border: color-mix(in srgb, var(--text) 10%, transparent);
    --danger: #e53935;
    --success: #2e7d32;
    --warn: #f57c00;
}

* {
    box-sizing: border-box;
}

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: 15px;
    line-height: 1.4;
    min-height: 100vh;
}

a { color: var(--link); }

#top-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 10;
}

#top-bar h1 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.icon-btn {
    background: transparent;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text);
    padding: 4px 10px;
    border-radius: 8px;
}
.icon-btn:hover { background: var(--secondary-bg); }
.icon-btn[hidden] { display: none !important; }

main#root {
    padding: 12px;
    padding-bottom: 40px;
}

.loading { color: var(--muted); text-align: center; padding: 40px 0; }
.error { color: var(--danger); text-align: center; padding: 20px; }

/* controls */
.controls { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }

.tabs {
    display: flex;
    gap: 6px;
    background: var(--secondary-bg);
    padding: 4px;
    border-radius: 10px;
}
.tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 8px 6px;
    border-radius: 8px;
    color: var(--muted);
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}
.tab.active {
    background: var(--section-bg);
    color: var(--text);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.search {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--section-bg);
    color: var(--text);
    font-size: 15px;
}
.search:focus { outline: none; border-color: var(--btn); }

.count-line { color: var(--muted); font-size: 13px; margin-bottom: 8px; }

/* buttons */
button.primary {
    background: var(--btn);
    color: var(--btn-text);
    border: none;
    padding: 11px 14px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
}
button.primary:disabled { opacity: 0.5; }

button.secondary {
    background: var(--secondary-bg);
    color: var(--text);
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    cursor: pointer;
}

button.danger {
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 14px;
    cursor: pointer;
}

/* list */
.issues-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }

.issue-row {
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
}
.issue-row:hover { background: var(--secondary-bg); }
.issue-row-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.issue-row .issue-title { font-weight: 500; flex: 1; }
.issue-row .vip-badge { color: var(--danger); font-weight: 700; }
.issue-row-meta { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); flex-wrap: wrap; }

.pill {
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--secondary-bg);
    color: var(--text);
    font-size: 12px;
    white-space: nowrap;
}
.pill.prio-Критичный { background: #ffebee; color: var(--danger); }
.pill.prio-Высокий { background: #fff3e0; color: var(--warn); }
.pill.prio-Средний { background: #e3f2fd; color: var(--link); }
.pill.prio-Низкий { background: var(--secondary-bg); color: var(--muted); }
.updated { color: var(--muted); margin-left: auto; }

/* card (detail) */
.card { display: flex; flex-direction: column; gap: 14px; }

.card .header-block { display: flex; flex-direction: column; gap: 6px; }
.card h2 { margin: 0; font-size: 19px; line-height: 1.3; }
.card .sub { color: var(--muted); font-size: 13px; display: flex; gap: 8px; flex-wrap: wrap; }

.section {
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
}
.section h3 {
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.section .value { white-space: pre-wrap; word-wrap: break-word; }
.section .value.muted { color: var(--muted); font-style: italic; }

.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.actions-row { display: flex; gap: 8px; flex-wrap: wrap; }
.actions-row > * { flex: 1 1 auto; }

/* comments / attachments */
.comment {
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 8px;
    font-size: 14px;
}
.comment .head { color: var(--muted); font-size: 12px; margin-bottom: 4px; display: flex; justify-content: space-between; }
.comment .body { white-space: pre-wrap; word-wrap: break-word; }
.comment .delete-btn { color: var(--danger); background: transparent; border: none; cursor: pointer; font-size: 13px; }

.attachment {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 6px;
    font-size: 14px;
}
.attachment .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment .size { color: var(--muted); font-size: 12px; }
.attachment button { background: transparent; border: none; color: var(--link); cursor: pointer; font-size: 14px; padding: 4px 6px; }
.attachment button.danger-btn { color: var(--danger); }

/* form */
.form { display: flex; flex-direction: column; gap: 12px; }
.form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.form .field { display: flex; flex-direction: column; }
.form input[type=text], .form input[type=date], .form textarea, .form select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--section-bg);
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
}
.form textarea { min-height: 80px; resize: vertical; }
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--btn); }

.form-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-top: 8px;
}

.switch { display: flex; align-items: center; gap: 10px; }
.switch input[type=checkbox] { width: 20px; height: 20px; }

/* modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 100;
}
.modal {
    background: var(--bg);
    width: 100%;
    max-width: 520px;
    border-radius: 16px 16px 0 0;
    padding: 16px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal h3 { margin: 0 0 12px; }
.modal .actions { display: flex; gap: 8px; margin-top: 14px; }
.modal .actions > * { flex: 1; }

/* menu sheet */
.menu-sheet { display: flex; flex-direction: column; gap: 2px; }
.menu-sheet button {
    text-align: left;
    padding: 14px;
    border: none;
    background: var(--section-bg);
    font-size: 15px;
    cursor: pointer;
    color: var(--text);
}
.menu-sheet button:first-child { border-radius: 12px 12px 0 0; }
.menu-sheet button:last-child { border-radius: 0 0 12px 12px; }
.menu-sheet button.danger-text { color: var(--danger); }

/* toast */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: #fff;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 14px;
    z-index: 200;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
.toast.show { opacity: 1; }

.empty { color: var(--muted); text-align: center; padding: 30px; }

/* users (сотрудники) */
.user-row {
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 8px;
}
.user-row-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.user-row .name { flex: 1; font-weight: 500; }
.user-row-meta { display: flex; gap: 10px; font-size: 12px; color: var(--muted); margin-bottom: 8px; flex-wrap: wrap; }
.user-row .actions-row { gap: 6px; }
.user-row .actions-row > button { font-size: 13px; padding: 6px 10px; }
.user-row .actions-row > button:disabled { opacity: 0.4; cursor: default; }