:root {
    --bg: var(--tg-theme-bg-color, #1a1a2e);
    --card-bg: var(--tg-theme-secondary-bg-color, #16213e);
    --text: var(--tg-theme-text-color, #e0e0e0);
    --hint: var(--tg-theme-hint-color, #8899aa);
    --accent: var(--tg-theme-button-color, #5865f2);
    --accent-text: var(--tg-theme-button-text-color, #ffffff);
    --urgent: #e74c3c;
    --normal: #f39c12;
    --low: #2ecc71;
    --done-color: #27ae60;
}

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

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

#app { max-width: 500px; margin: 0 auto; }

header {
    padding: 16px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header-title { font-size: 20px; font-weight: 700; }
.header-stats { font-size: 13px; color: var(--hint); margin-top: 4px; }

.tabs {
    display: flex;
    gap: 4px;
    padding: 12px 12px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.tab {
    flex-shrink: 0;
    padding: 8px 14px;
    border: none;
    border-radius: 20px;
    background: var(--card-bg);
    color: var(--hint);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}
.tab.active {
    background: var(--accent);
    color: var(--accent-text);
}

main { padding: 12px; }

.task-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 10px;
    border-left: 4px solid var(--normal);
    animation: fadeIn 0.3s ease;
    transition: transform 0.2s, opacity 0.3s;
}
.task-card.urgent { border-left-color: var(--urgent); }
.task-card.low { border-left-color: var(--low); }
.task-card.done-card { border-left-color: var(--done-color); opacity: 0.7; }

.task-card.removing {
    transform: translateX(-100%);
    opacity: 0;
}

.task-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}
.task-meta {
    font-size: 12px;
    color: var(--hint);
    margin-bottom: 8px;
}
.task-meta span { margin-right: 12px; }

.task-actions {
    display: flex;
    gap: 8px;
}
.task-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
    transition: transform 0.1s;
}
.task-btn:active { transform: scale(0.95); }
.task-btn.done-btn { background: var(--done-color); color: #fff; }
.task-btn.snooze-btn { background: rgba(255,255,255,0.1); color: var(--text); }

.idea-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 10px;
    border-left: 4px solid #9b59b6;
    animation: fadeIn 0.3s ease;
}
.idea-tags { font-size: 12px; color: #9b59b6; margin-top: 4px; }

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--hint);
    font-size: 14px;
}

.stats-section {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.stats-label { font-size: 13px; color: var(--hint); margin-bottom: 8px; }
.progress-bar {
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: var(--done-color);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}
.stats-numbers { font-size: 12px; color: var(--hint); margin-top: 4px; }

.skeleton-card {
    background: var(--card-bg);
    border-radius: 12px;
    height: 80px;
    margin-bottom: 10px;
    animation: pulse 1.5s infinite;
}

.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 100;
}
.modal-content {
    background: var(--card-bg);
    border-radius: 16px 16px 0 0;
    padding: 24px;
    width: 100%;
    max-width: 500px;
}
.modal-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; text-align: center; }
.modal-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    background: rgba(255,255,255,0.1);
    color: var(--text);
    font-size: 15px;
    cursor: pointer;
    margin-bottom: 8px;
}
.modal-btn.cancel { background: transparent; color: var(--hint); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.7; } }