/* Import modern font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

/* Reset and base styles */
:root{
    --bg-1: #f7fbff;
    --bg-2: #eef6ff;
    --muted: #6b7280;
    --card: #ffffff;
    --accent: #2563eb;
    --glass: rgba(255,255,255,0.6);
}

*{box-sizing: border-box}
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    background: linear-gradient(180deg, var(--bg-1), var(--bg-2));
    color: #0f172a;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    padding-bottom: 4rem;
}

/* Fixed top menu bar */
.top-menu {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.9);
    color: #071133;
    padding: 1rem 2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(15,23,42,0.06);
}

    .top-menu h1 {
        margin: 0;
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--accent);
        letter-spacing: -0.5px;
    }

    /* Controls inside top menu */
    .top-menu .controls {
        display: flex;
        flex-wrap: wrap;
        gap: 0.75rem;
        margin-top: 0.5rem;
        align-items: center;
    }

    .top-menu input[type="text"],
    .top-menu select {
        padding: 0.5rem 0.75rem;
        border: 1px solid rgba(15,23,42,0.06);
        border-radius: 10px;
        font-size: 0.95rem;
        background: linear-gradient(180deg, #fff, #fbfdff);
        min-width: 160px;
        outline: none;
        transition: box-shadow .12s, transform .06s;
    }

    .top-menu input[type="text"]:focus,
    .top-menu select:focus{
        box-shadow: 0 6px 18px rgba(37,99,235,0.08);
        transform: translateY(-1px);
        border-color: rgba(37,99,235,0.4);
    }

    /* Add button style (submit) - modern pill with icon */
    .top-menu .add-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: linear-gradient(90deg,var(--accent),#1e40af);
        color: #fff;
        border: none;
        padding: 0.45rem 0.9rem;
        border-radius: 999px;
        cursor: pointer;
        font-weight: 600;
        box-shadow: 0 6px 18px rgba(37,99,235,0.14);
    }

    .top-menu .add-btn svg{width:18px;height:18px;opacity:0.95}

/* Main content below top menu */
main {
    padding: 5.5rem 1.5rem 3rem;
    max-width: 980px;
    margin: 1.25rem auto;
}

.container-card{
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.98));
    box-shadow: 0 8px 30px rgba(2,6,23,0.06);
    border-radius: 14px;
    padding: 1.25rem;
}

/* Task block cards */
.task-block {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 12px;
    background: linear-gradient(180deg,#ffffff,#fbfdff);
    box-shadow: 0 8px 20px rgba(2,6,23,0.04);
    display: block;
    border-left: 6px solid rgba(0,0,0,0.06); /* default */
    transition: transform .08s, box-shadow .12s;
}

.task-block:hover{
    transform: translateY(-4px);
    box-shadow: 0 18px 34px rgba(2,6,23,0.06);
}

.task-block h4{ display:flex; align-items:center; gap:12px; margin:0 0 8px 0; font-size:1rem; }
.task-block small{ color:var(--muted); font-weight:600; margin-left:auto; }

.task-block ul{ margin:8px 0 0 1.25rem; padding:0 }
.task-block li{ margin-bottom:6px; list-style:disc; display:flex; align-items:center; gap:8px }

.done { text-decoration: line-through; color: rgba(15,23,42,0.4); }

/* Icon-style action buttons */
.icon-btn{
    background: transparent;
    border: none;
    padding: 6px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    border-radius:8px;
    transition: background .12s, transform .06s;
}
.icon-btn svg{ width:18px; height:18px; display:block; }
.icon-btn:hover{ background: rgba(15,23,42,0.04); transform: translateY(-1px); }
.icon-btn:active{ transform: translateY(0); }
.icon-btn.delete svg{ color:#ef4444 }
.icon-btn.edit svg{ color:#f59e0b */

/* Small add-subtask button in forms */
.add-sub-btn{ background: linear-gradient(90deg,#10b981,#059669); color: #fff; border-radius: 8px; padding:6px 10px; border:none; cursor:pointer; font-weight:600 }

/* Responsive */
@media (max-width: 768px) {
    .top-menu{ padding: 1rem }
    .top-menu h1{ font-size: 1.1rem }
    .top-menu .controls{ width:100%; }
    .task-block{ padding:12px }
}

/* Category specific colors: map common category ids to colors. Add more as needed.
   The CSS uses the --category-color variable on each selector so task-block uses border-left color. */
.task-block[data-category-id="1"]{ border-left-color: #FB7185; }
.task-block[data-category-id="2"]{ border-left-color: #FBBF24; }
.task-block[data-category-id="3"]{ border-left-color: #34D399; }
.task-block[data-category-id="4"]{ border-left-color: #60A5FA; }
.task-block[data-category-id="5"]{ border-left-color: #A78BFA; }
.task-block[data-category-id="6"]{ border-left-color: #F472B6; }
.task-block[data-category-id="7"]{ border-left-color: #F97316; }
.task-block[data-category-id="8"]{ border-left-color: #06B6D4; }
.task-block[data-category-id="9"]{ border-left-color: #4ADE80; }
.task-block[data-category-id="10"]{ border-left-color: #F59E0B; }

/* Fallback if category id not matched, slightly tinted border */
.task-block[data-category-id]{ border-left-color: rgba(37,99,235,0.35); }

/* Form controls inside card */
.task-block form input[type="text"]{ width:60%; padding:8px 10px; border-radius:8px; border:1px solid rgba(15,23,42,0.06) }
.task-block form button{ margin-left:8px }

/* Footer small text */
.footer-note{ text-align:center; color:var(--muted); font-size:0.9rem; margin-top:1rem }