*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:           var(--tg-theme-bg-color, #ffffff);
    --text:         var(--tg-theme-text-color, #222222);
    --hint:         var(--tg-theme-hint-color, #999999);
    --btn:          var(--tg-theme-button-color, #2481cc);
    --btn-text:     var(--tg-theme-button-text-color, #ffffff);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #f0f0f0);
    --radius: 12px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding-bottom: 80px;
}

.view { display: flex; flex-direction: column; min-height: 100vh; }
.hidden { display: none !important; }

/* ---- Header ---- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px 8px;
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 10;
    border-bottom: 1px solid rgba(128,128,128,0.1);
}
.header h1 { font-size: 20px; font-weight: 700; }

.header-actions { display: flex; gap: 8px; align-items: center; }

.btn-icon {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--btn);
    color: var(--btn-text);
    font-size: 22px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}

.btn-export {
    padding: 6px 12px;
    border-radius: 18px;
    border: 1px solid var(--btn);
    background: transparent;
    color: var(--btn);
    font-size: 13px;
    cursor: pointer;
    font-weight: 500;
}
.btn-export:active { background: var(--btn); color: var(--btn-text); }

/* ---- Sort bar ---- */
.sort-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px 6px;
    overflow-x: auto;
}
.sort-label { font-size: 13px; color: var(--hint); white-space: nowrap; }
.sort-btn {
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(128,128,128,0.3);
    background: transparent;
    color: var(--text);
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}
.sort-btn.active {
    background: var(--btn);
    border-color: var(--btn);
    color: var(--btn-text);
}

/* ---- Stats bar ---- */
.stats-bar {
    padding: 4px 16px 10px;
    font-size: 13px;
    color: var(--hint);
}

/* ---- Task list ---- */
.task-list { padding: 4px 16px 16px; display: flex; flex-direction: column; gap: 10px; }
.loading { text-align: center; color: var(--hint); padding: 48px; font-size: 15px; }

.task-card {
    background: var(--secondary-bg);
    border-radius: var(--radius);
    padding: 13px 14px;
}
.task-card.done { opacity: 0.55; }

.task-header { display: flex; align-items: flex-start; gap: 8px; flex-wrap: wrap; }
.task-title { flex: 1; font-weight: 600; font-size: 15px; word-break: break-word; min-width: 0; }
.task-title.done-text { text-decoration: line-through; }

.badges { display: flex; gap: 4px; flex-shrink: 0; }
.badge {
    font-size: 11px; font-weight: 500;
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}
.badge-active { background: #ddeeff; color: #1a6aaa; }
.badge-done   { background: #d9f5e0; color: #1e8c42; }
.badge-p1     { background: #efefef; color: #888; }
.badge-p2     { background: #fff5d6; color: #7a5c00; }
.badge-p3     { background: #fde8e8; color: #b03030; }

.task-desc { font-size: 13px; color: var(--hint); margin-top: 5px; word-break: break-word; }

.task-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 7px; }
.tag { font-size: 11px; background: var(--bg); border-radius: 8px; padding: 2px 8px; color: var(--hint); }

.task-actions {
    display: flex; gap: 6px; margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(128,128,128,0.12);
}
.task-btn {
    flex: 1; padding: 7px 4px;
    border: none; border-radius: 8px;
    font-size: 13px; cursor: pointer;
    background: var(--bg); color: var(--text);
}
.task-btn-done { color: #27ae60; }
.task-btn-edit { color: var(--btn); }
.task-btn-del  { color: #e74c3c; }

/* ---- Form ---- */
.task-form { padding: 16px; display: flex; flex-direction: column; gap: 16px; }
.task-form label {
    display: flex; flex-direction: column; gap: 6px;
    font-size: 13px; color: var(--hint);
}
.task-form input[type="text"],
.task-form textarea,
.task-form select {
    padding: 11px 12px;
    border-radius: var(--radius);
    border: 1px solid rgba(128,128,128,0.25);
    background: var(--secondary-bg);
    color: var(--text);
    font-size: 15px; font-family: inherit;
    outline: none; width: 100%;
}
.task-form textarea { resize: vertical; }
.task-form input:focus,
.task-form textarea:focus,
.task-form select:focus { border-color: var(--btn); }

.checkbox-label {
    flex-direction: row !important;
    align-items: center !important;
    gap: 10px !important;
    font-size: 15px !important;
    color: var(--text) !important;
    cursor: pointer;
}

.empty-state { text-align: center; padding: 60px 20px; color: var(--hint); }
.empty-state .emoji { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 15px; line-height: 1.5; }