/* ===== Theme tokens: ไฮเทค/อนาคต โทนเขียวเรืองแสง ===== */
:root {
    --bg: #050a08;
    --bg-grid: #071410;
    --panel: #0b1712;
    --panel-alt: #0f1f18;
    --border: #1c3d2e;
    --border-bright: #2a5a41;
    --neon: #00ffa3;
    --neon-soft: #35ffb8;
    --neon-dim: #00b377;
    --neon-glow: rgba(0, 255, 163, 0.35);
    --neon-glow-strong: rgba(0, 255, 163, 0.55);
    --text: #d9fcec;
    --text-dim: #6fa88f;
    --text-faint: #3f6656;
    --danger: #ff3b5c;
    --danger-glow: rgba(255, 59, 92, 0.4);
    --font-head: "Chakra Petch", "Segoe UI", sans-serif;
    --font-body: "Prompt", "Segoe UI", sans-serif;
}

/* ===== Reset & base (mobile-first) ===== */
* { box-sizing: border-box; }
html { overflow-x: hidden; width: 100%; }
body {
    margin: 0;
    width: 100%;
    overflow-x: hidden;
    font-family: var(--font-body);
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 15% -10%, rgba(0, 255, 163, 0.12), transparent 55%),
        radial-gradient(circle at 100% 0%, rgba(0, 200, 255, 0.06), transparent 45%),
        repeating-linear-gradient(0deg, rgba(0, 255, 163, 0.035) 0px, rgba(0, 255, 163, 0.035) 1px, transparent 1px, transparent 32px),
        repeating-linear-gradient(90deg, rgba(0, 255, 163, 0.035) 0px, rgba(0, 255, 163, 0.035) 1px, transparent 1px, transparent 32px);
    background-attachment: fixed;
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
}
a { color: var(--neon); text-decoration: none; }
h1, h2, h3 {
    font-family: var(--font-head);
    letter-spacing: 0.03em;
    color: var(--neon);
    text-shadow: 0 0 10px var(--neon-glow);
}
h1 { font-size: 1.3rem; margin: 1rem 0 0.75rem; text-transform: uppercase; }
h2 { font-size: 1rem; margin: 0 0 0.75rem; text-transform: uppercase; }
.muted { color: var(--text-dim); font-size: 0.9rem; }

.container {
    padding: 1rem;
    max-width: 960px;
    margin: 0 auto;
}

/* ===== Top bar & nav (mobile-first: hamburger + slide menu) ===== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(180deg, var(--panel-alt), var(--panel));
    color: var(--text);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-bright);
    box-shadow: 0 2px 20px rgba(0, 255, 163, 0.15);
}
.topbar .brand {
    color: var(--neon);
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: 0.03em;
    text-shadow: 0 0 12px var(--neon-glow-strong);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.topbar-user {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-left: auto;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 40%;
}
.nav-toggle {
    background: none;
    border: 1px solid var(--border-bright);
    border-radius: 6px;
    padding: 0.35rem 0.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--neon);
    box-shadow: 0 0 6px var(--neon-glow);
}

.main-nav {
    display: none;
    flex-direction: column;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.main-nav.open { display: flex; }
.main-nav a {
    padding: 0.85rem 1rem;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    letter-spacing: 0.04em;
}
.main-nav a.active { color: var(--neon); text-shadow: 0 0 8px var(--neon-glow); }
.main-nav .logout-link { color: var(--danger); }

@media (min-width: 768px) {
    .nav-toggle { display: none; }
    .topbar .brand { flex: none; font-size: 1.5rem; }
    .main-nav {
        display: flex;
        flex-direction: row;
        align-items: center;
        padding: 0 1rem;
        background: var(--panel-alt);
    }
    .main-nav a { border-bottom: 2px solid transparent; padding: 0.85rem 0.75rem; }
    .main-nav a.active { border-bottom-color: var(--neon); }
    .main-nav .logout-link { margin-left: auto; }
}

/* ===== Alerts ===== */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border: 1px solid;
    font-weight: 700;
}
.alert-success { background: rgba(0, 255, 163, 0.08); color: var(--neon-soft); border-color: var(--border-bright); box-shadow: 0 0 12px var(--neon-glow); }
.alert-error { background: rgba(255, 59, 92, 0.08); color: #ff8ba0; border-color: rgba(255, 59, 92, 0.5); box-shadow: 0 0 12px var(--danger-glow); }

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.6rem 1.1rem;
    border-radius: 6px;
    border: 1px solid var(--border-bright);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    cursor: pointer;
    text-align: center;
    font-family: var(--font-body);
    background: transparent;
    color: var(--text-dim);
    transition: box-shadow 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { color: var(--neon); border-color: var(--neon); box-shadow: 0 0 12px var(--neon-glow); }
.btn-primary {
    background: linear-gradient(135deg, var(--neon), var(--neon-dim));
    color: #03140d;
    border-color: var(--neon);
    box-shadow: 0 0 16px var(--neon-glow);
}
.btn-primary:hover { color: #03140d; box-shadow: 0 0 22px var(--neon-glow-strong); }
.btn-secondary { background: var(--panel); color: var(--text-dim); }
.btn-danger { background: transparent; color: #ff8ba0; border-color: var(--danger); }
.btn-danger:hover { color: #fff; background: var(--danger); box-shadow: 0 0 16px var(--danger-glow); }
.btn-block { display: block; width: 100%; }
.inline-form { display: inline-block; }
.btn-link-danger {
    background: none;
    border: none;
    padding: 0;
    color: #ff8ba0;
    font-weight: 600;
    font-size: inherit;
    font-family: inherit;
    text-decoration: underline;
    cursor: pointer;
}
.btn-link-danger:hover { color: var(--danger); }

.attachment-chip {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    white-space: nowrap;
    margin-bottom: 0.2rem;
}
.attachment-chip a {
    color: var(--neon-soft);
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
}

/* ===== Page head ===== */
.page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}
.page-head-actions { display: flex; gap: 0.5rem; }

/* ===== Forms ===== */
.form-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    box-shadow: 0 0 24px rgba(0, 255, 163, 0.06);
    margin-bottom: 1rem;
}
.form-card label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-dim);
}
.form-card input,
.form-card select,
.form-card textarea {
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 600;
    padding: 0.55rem 0.6rem;
    background: var(--bg-grid);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}
.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
    outline: none;
    border-color: var(--neon);
    box-shadow: 0 0 10px var(--neon-glow);
}
.form-card input[type="color"] {
    background: none;
    padding: 0.25rem;
    width: 4.5rem;
    height: 2.75rem;
    cursor: pointer;
}
.form-card input[type="date"]::-webkit-calendar-picker-indicator,
.form-card input[type="time"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
}
.form-card input[type="date"],
.form-card input[type="time"] {
    color-scheme: dark;
}
.form-row { display: flex; gap: 0.75rem; }
.form-row label { flex: 1; }
.form-actions { display: flex; gap: 0.5rem; }
.form-inline-add { margin-bottom: 1.25rem; }

.login-wrap { max-width: 360px; margin: 3rem auto; }
.login-wrap h1 { text-align: center; }

/* ===== Filter bar ===== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0 1rem;
}
.filter-bar select {
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 600;
}
.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
}
.filter-checkbox input[type="checkbox"] {
    accent-color: var(--neon);
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
}

/* ===== Badge ===== */
.badge {
    display: inline-block;
    color: #04150d;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    white-space: nowrap;
    box-shadow: 0 0 8px rgba(0, 255, 163, 0.3);
}

/* ===== Responsive table -> card list on mobile ===== */
.task-table {
    width: 100%;
    border-collapse: collapse;
}
.task-table thead { display: none; }
.task-table tr {
    display: block;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 255, 163, 0.05);
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    cursor: pointer;
}
.task-table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0;
    border: none;
    text-align: right;
    color: var(--text);
}
.task-table td::before {
    content: attr(data-label);
    font-weight: 700;
    color: var(--text-faint);
    text-align: left;
}
.task-table a { color: var(--neon-soft); }

@media (min-width: 768px) {
    .task-table { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; box-shadow: 0 0 24px rgba(0, 255, 163, 0.06); }
    .task-table thead { display: table-header-group; background: var(--panel-alt); }
    .task-table th { color: var(--neon-soft); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.05em; }
    .task-table tr { display: table-row; box-shadow: none; margin: 0; padding: 0; border: none; border-bottom: 1px solid var(--border); cursor: default; }
    .task-table tr[onclick]:hover { background: rgba(0, 255, 163, 0.05); cursor: pointer; }
    .task-table th, .task-table td { display: table-cell; text-align: left; padding: 0.65rem 0.85rem; }
    .task-table td::before { content: none; }
}

/* ===== Dashboard ===== */
.status-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1rem;
}
.summary-card {
    flex: 1 1 120px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-top: 3px solid var(--neon);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
    box-shadow: 0 0 16px rgba(0, 255, 163, 0.08);
}
.summary-count { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; color: var(--neon); text-shadow: 0 0 10px var(--neon-glow); }
.summary-label { font-size: 0.85rem; color: var(--text-dim); }

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr 1fr; }
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 0 20px rgba(0, 255, 163, 0.05);
}

.task-mini-list { list-style: none; margin: 0 0 1rem; padding: 0; }
.task-mini-list li {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
}
.task-mini-list li a { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.task-title { font-weight: 700; color: var(--text); }
.task-title.badge {
    color: #04150d;
    max-width: 65%;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Detail card & timeline ===== */
.detail-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 0 20px rgba(0, 255, 163, 0.05);
}
.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
}
.detail-row-block { flex-direction: column; }
.detail-label { color: var(--text-faint); font-size: 0.85rem; white-space: nowrap; text-transform: uppercase; letter-spacing: 0.04em; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.timeline-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-bottom: 0.25rem; font-size: 0.9rem; }
.timeline-note { color: var(--text); }

/* ===== Calendar ===== */
.calendar-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0 1rem;
}
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 4px;
}
.calendar-weekday {
    min-width: 0;
    text-align: center;
    font-size: 0.6rem;
    font-weight: 800;
    color: var(--neon-soft);
    padding: 0.3rem 0;
    text-transform: uppercase;
}
.calendar-cell {
    min-width: 0;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    min-height: 84px;
    padding: 0.2rem;
    font-size: 0.55rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow: hidden;
}
.calendar-cell-empty { background: transparent; border-color: transparent; cursor: default; }
.calendar-day-num { font-weight: 700; font-size: 0.6rem; color: var(--text-dim); }
.calendar-today { border-color: var(--neon); box-shadow: 0 0 14px var(--neon-glow); }
.calendar-today .calendar-day-num { color: var(--neon); }
.calendar-items { display: flex; flex-direction: column; gap: 1px; overflow: hidden; }
.calendar-item {
    background: var(--neon-dim);
    color: #03140d;
    border-radius: 3px;
    padding: 0px 2px;
    font-weight: 700;
    font-size: 0.48rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.calendar-item-event { background: #00c2ff; }
.calendar-item-more { color: var(--text-faint); font-size: 0.48rem; }

@media (min-width: 768px) {
    .calendar-weekday { font-size: 0.8rem; }
    .calendar-cell { min-height: 130px; padding: 0.5rem; font-size: 0.85rem; }
    .calendar-day-num { font-size: 0.8rem; }
    .calendar-item { font-size: 0.75rem; padding: 1px 4px; }
    .calendar-item-more { font-size: 0.75rem; }
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(2, 8, 6, 0.75);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 50;
}
.modal[hidden] { display: none; }
.modal-content {
    background: var(--panel);
    border: 1px solid var(--border-bright);
    border-radius: 12px 12px 0 0;
    padding: 1rem;
    width: 100%;
    max-width: 480px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 0 40px rgba(0, 255, 163, 0.2);
}
@media (min-width: 768px) {
    .modal { align-items: center; }
    .modal-content { border-radius: 12px; }
}
.modal-close {
    position: absolute;
    top: 0.5rem;
    right: 0.75rem;
    border: none;
    background: none;
    color: var(--text-dim);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}
.modal-close:hover { color: var(--neon); }