/* Beautiful Task Panel - Inspired by llmstream */

:root {
    --task-bg: #ffffff;
    --task-soft: #f8fafc;
    --task-border: #e5e7eb;
    --task-text: #0f172a;
    --task-muted: #64748b;
    --task-accent: #007aff;
    --task-green: #22c55e;
    --task-radius: 12px;
    --task-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

/* 3-panel layout adjustments */
.modal-body.tasks-open .chat-panel {
    flex: 0 0 30% !important;
    min-width: 300px;
}

.modal-body.tasks-open .website-panel {
    flex: 0 0 50% !important;
    min-width: 400px;
}

.modal-body.tasks-open .tasks-panel {
    flex: 0 0 20% !important;
    min-width: 280px;
    opacity: 1 !important;
    display: flex !important;
}

/* Tasks panel */
.tasks-panel {
    flex: 0 0 0;
    background: var(--task-soft);
    border-left: 1px solid var(--task-border);
    display: flex;
    flex-direction: column;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.tasks-header {
    padding: 16px;
    border-bottom: 1px solid var(--task-border);
    background: var(--task-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tasks-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--task-text);
    letter-spacing: -0.01em;
}

.tasks-actions {
    display: flex;
    gap: 6px;
}

.tasks-actions button {
    padding: 6px 12px;
    border: 1px solid var(--task-border);
    border-radius: 8px;
    background: var(--task-bg);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: var(--task-text);
    transition: all 0.2s;
}

.tasks-actions button:hover {
    background: var(--task-soft);
    border-color: var(--task-accent);
    color: var(--task-accent);
}

.tasks-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    background: var(--task-bg);
}

.tasks-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--task-muted);
    font-size: 13px;
    line-height: 1.6;
}

/* Mode toggle */
.mode-toggle {
    display: inline-flex;
    gap: 4px;
    background: var(--task-soft);
    border-radius: 8px;
    padding: 3px;
}

.mode-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    background: transparent;
    color: var(--task-muted);
    transition: all 0.2s;
}

.mode-btn.active {
    background: var(--task-bg) !important;
    color: var(--task-text) !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.mode-btn:not(.active):hover {
    background: rgba(255,255,255,0.5);
    color: var(--task-text);
}

/* Task item */
.task-item {
    margin-bottom: 6px;
}

.task-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    background: transparent;
}

.task-row:hover {
    background: var(--task-soft);
}

.task-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    border-radius: 4px;
    border: 2px solid var(--task-border);
    appearance: none;
    -webkit-appearance: none;
    transition: all 0.2s;
}

.task-checkbox:checked {
    background: var(--task-green);
    border-color: var(--task-green);
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3"><polyline points="20 6 9 17 4 12"></polyline></svg>');
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
}

.task-checkbox:hover {
    border-color: var(--task-accent);
}

.task-title {
    flex: 1;
    user-select: none;
    font-size: 14px;
    line-height: 1.5;
    color: var(--task-text);
    font-weight: 500;
}

.task-title.done {
    text-decoration: line-through;
    color: var(--task-muted);
    opacity: 0.7;
}

.task-children {
    margin-left: 26px;
    margin-top: 4px;
    border-left: 2px solid var(--task-border);
    padding-left: 12px;
}

.task-collapse-btn {
    width: 16px;
    height: 16px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 10px;
    color: var(--task-muted);
    transition: transform 0.2s, color 0.2s;
}

.task-collapse-btn:hover {
    color: var(--task-text);
}

.task-delete-btn {
    padding: 4px 8px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--task-muted);
    opacity: 0;
    transition: all 0.15s;
    line-height: 1;
}

.task-row:hover .task-delete-btn {
    opacity: 1;
}

.task-delete-btn:hover {
    color: #ef4444;
    background: #fee2e2;
    border-color: #fecaca;
}

/* Scrollbar styling */
.tasks-list::-webkit-scrollbar {
    width: 8px;
}

.tasks-list::-webkit-scrollbar-track {
    background: transparent;
}

.tasks-list::-webkit-scrollbar-thumb {
    background: var(--task-border);
    border-radius: 4px;
}

.tasks-list::-webkit-scrollbar-thumb:hover {
    background: var(--task-muted);
}

/* Responsive */
@media (max-width: 1200px) {
    .modal-body.tasks-open .chat-panel {
        flex: 0 0 35% !important;
    }
    .modal-body.tasks-open .website-panel {
        flex: 0 0 40% !important;
    }
    .modal-body.tasks-open .tasks-panel {
        flex: 0 0 25% !important;
    }
}

/* Tablet - stack tasks below */
@media (max-width: 768px) {
    .modal-body.tasks-open {
        flex-direction: column;
    }

    .modal-body.tasks-open .chat-panel {
        flex: none !important;
        width: 100% !important;
        height: 35vh !important;
        min-height: 200px !important;
        min-width: unset !important;
    }

    .modal-body.tasks-open .website-panel {
        flex: none !important;
        width: 100% !important;
        height: 35vh !important;
        min-width: unset !important;
    }

    .modal-body.tasks-open .tasks-panel {
        flex: none !important;
        width: 100% !important;
        height: 30vh !important;
        min-width: unset !important;
        border-left: none;
        border-top: 1px solid var(--task-border);
    }

    .tasks-header {
        padding: 12px;
    }

    .tasks-header h3 {
        font-size: 14px;
    }

    .tasks-actions button {
        padding: 5px 10px;
        font-size: 11px;
    }

    .task-row {
        padding: 8px 10px;
    }

    .task-title {
        font-size: 13px;
    }
}

/* Phone */
@media (max-width: 480px) {
    .modal-body.tasks-open .chat-panel {
        height: 30vh !important;
        min-height: 180px !important;
    }

    .modal-body.tasks-open .website-panel {
        height: 35vh !important;
    }

    .modal-body.tasks-open .tasks-panel {
        height: 35vh !important;
    }

    .mode-toggle {
        gap: 2px;
        padding: 2px;
    }

    .mode-btn {
        padding: 5px 10px;
        font-size: 11px;
    }

    .task-checkbox {
        width: 16px;
        height: 16px;
    }

    .task-children {
        margin-left: 20px;
        padding-left: 10px;
    }
}

/* Chat Summary & Suggestions */
.chat-summary {
    display: block !important;
    padding: 12px 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--task-text, #0f172a);
    border-bottom: 1px solid var(--task-border, #e5e7eb);
    margin-bottom: 12px;
}

.chat-summary strong {
    color: var(--task-green);
}

.chat-next-header {
    display: block !important;
    font-size: 13px;
    font-weight: 600;
    color: var(--task-muted, #64748b);
    margin-bottom: 10px;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.chat-suggestions {
    display: flex !important;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.chat-suggestion-item {
    display: flex !important;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    background: var(--task-soft, #f8fafc);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
}

.chat-suggestion-item:hover {
    background: #e0f2fe;
}

.chat-suggestion-checkbox {
    width: 22px !important;
    height: 22px !important;
    min-width: 22px !important;
    cursor: pointer;
    border-radius: 6px;
    border: 2px solid #d1d5db !important;
    background: #fff !important;
    appearance: none;
    -webkit-appearance: none;
    transition: all 0.15s ease;
    margin-top: 2px;
    margin-right: 10px;
    flex-shrink: 0;
    display: inline-block !important;
    vertical-align: middle;
}

.chat-suggestion-checkbox:checked {
    background: #22c55e !important;
    border-color: #22c55e !important;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>');
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
}

.chat-suggestion-item.selected {
    background: #f0fdf4;
    border-color: #22c55e;
}

.chat-suggestion-checkbox:hover {
    border-color: #22c55e;
}

.chat-suggestion-label {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
    color: var(--task-text);
    cursor: pointer;
    user-select: none;
}

.chat-apply-btn {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    background: var(--task-accent);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.chat-apply-btn:hover {
    background: #0066dd;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,122,255,0.3);
}

.chat-apply-btn:active {
    transform: translateY(0);
}