:root {
    --primary: #2563EB;
    --bg: #F1F5F9;
    --card: #FFFFFF;
    --text: #0F172A;
    --accent: #22C55E;
    --danger: #EF4444;
}

body {
    background: var(--bg);
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    padding-top: 50px;
}

.todo {
    width: 100%;
    max-width: 650px;
    background: var(--card);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

.row, .controls {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

input, select {
    padding: 10px;
    border-radius: 10px;
    border: 1px solid #ccc;
    flex: 1;
}

button {
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
}

/* DASHBOARD */
.dashboard {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: bold;
}

/* TASK */
ul li {
    list-style: none;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 12px;
    background: #f8fafc;
    border-left: 6px solid var(--primary);
    animation: fadeIn 0.3s ease;
}

.task-text { font-weight: 600; }
.task-meta { font-size: 12px; color: #64748b; }

.task-actions {
    display: flex;
    gap: 10px;
    margin-top: 5px;
}

.priority-High { border-left: red 6px solid; }
.priority-Medium { border-left: orange 6px solid; }
.priority-Low { border-left: green 6px solid; }

.checked .task-text {
    text-decoration: line-through;
    opacity: 0.6;
}

.delete-btn { color: red; cursor: pointer; }
.edit-btn { color: blue; cursor: pointer; }

/* PROGRESS */
.progress-bar {
    height: 8px;
    background: #ddd;
    border-radius: 10px;
    margin-bottom: 10px;
}

#progressFill {
    height: 100%;
    background: green;
    width: 0%;
}

/* TOAST */
#toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: black;
    color: white;
    padding: 10px;
    border-radius: 8px;
    opacity: 0;
    transition: 0.3s;
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}

.dark-mode {
    background: #111;
}

.dark-mode .todo {
    background: #222;
    color: white;
}