:root {
    --bg: #f3f5f8;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --border: #dde3ea;
    --text: #1f2933;
    --muted: #667085;
    --primary: #1565c0;
    --primary-dark: #0d47a1;
    --danger: #c62828;
    --ok: #2e7d32;
    --topbar: #0f2742;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    --shadow-lg: 0 12px 32px rgba(16, 24, 40, .22);

    --prio-alta: #d93025;
    --prio-alta-bg: #fde8e6;
    --prio-media: #f29900;
    --prio-media-bg: #fff3d6;
    --prio-baixa: #1e9e5a;
    --prio-baixa-bg: #def5e8;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
    font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
}
h1, h2, h3 { margin: 0; line-height: 1.2; }
h1 { font-size: 1.5rem; }
a { color: var(--primary); }
.muted { color: var(--muted); }
.clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 6px 0 0; }
[hidden] { display: none !important; }

/* ---------- Topbar ---------- */
.topbar {
    display: flex; align-items: center; gap: 24px;
    background: var(--topbar); color: #fff;
    padding: 0 20px; height: 54px; position: sticky; top: 0; z-index: 20;
}
.brand { color: #fff; font-weight: 700; text-decoration: none; letter-spacing: .2px; white-space: nowrap; }
.brand-mark { color: #6cb4ff; margin-right: 4px; }
.topnav { display: flex; gap: 4px; flex: 1; }
.topnav a { color: #c9d6e6; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500; }
.topnav a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.topnav a.active { background: rgba(255, 255, 255, .14); color: #fff; }
.topbar-user { display: flex; align-items: center; gap: 12px; }
.topbar-user form { margin: 0; }
.who { display: flex; flex-direction: column; line-height: 1.15; text-align: right; font-weight: 600; font-size: .9rem; }
.who small { font-weight: 400; color: #9fb3c8; font-size: .72rem; }

.main { padding: 22px 20px 40px; max-width: 1800px; margin: 0 auto; }
.page-board .main { max-width: none; padding: 16px 16px 24px; }

/* ---------- Botões / formulários ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    border: 1px solid var(--border); background: var(--surface); color: var(--text);
    padding: 8px 14px; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { color: var(--danger); border-color: #f1c0c0; }
.btn-danger:hover { background: #fdecec; }
.btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .3); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); }
.btn-ok, .btn-ok:disabled { background: var(--ok); border-color: var(--ok); color: #fff; opacity: 1; }
.btn-sm { padding: 5px 10px; font-size: .85rem; }
.btn-block { width: 100%; }
.btn-icon { border: 0; background: transparent; cursor: pointer; color: var(--muted); padding: 4px 6px; border-radius: 6px; font-size: 1rem; line-height: 1; }
.btn-icon:hover { background: #eef1f5; color: var(--danger); }

input[type=text], input[type=email], input[type=password], input[type=search], select, textarea {
    width: 100%; font: inherit; color: inherit;
    border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #90caf9; outline-offset: 0; border-color: #64b5f6; }
input[readonly], textarea[readonly] { background: var(--surface-2); }
label { display: block; font-weight: 600; font-size: .85rem; color: #344054; }
label > input, label > select, label > textarea { margin-top: 5px; font-weight: 400; }
textarea { resize: vertical; }

.alert { padding: 10px 12px; border-radius: 8px; margin: 12px 0; font-size: .9rem; }
.alert-error { background: #fdecec; color: #8c1d18; border: 1px solid #f5c6c4; }

/* ---------- Páginas de convidado (login/setup) ---------- */
.page-guest { background: linear-gradient(160deg, #0f2742 0%, #1b4a7a 100%); min-height: 100vh; }
.guest-wrap { max-width: 400px; margin: 0 auto; padding: 8vh 16px 32px; }
.guest-brand { color: #fff; font-weight: 700; font-size: 1.25rem; text-align: center; margin-bottom: 18px; }
.guest-foot { color: #9fb3c8; text-align: center; font-size: .8rem; margin-top: 18px; }
.card-form { background: #fff; border-radius: 14px; padding: 26px; box-shadow: var(--shadow-lg); display: grid; gap: 14px; }
.card-form h1 { font-size: 1.3rem; }
.card-form p { margin: 0; }

/* ---------- Lista de quadros ---------- */
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.page-head p { margin: 4px 0 0; }
.board-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.board-tile {
    display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px; text-decoration: none; color: inherit; box-shadow: var(--shadow); transition: transform .08s, box-shadow .08s;
}
.board-tile:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(16, 24, 40, .12); }
.board-tile h2 { font-size: 1.1rem; }
.tile-stats { display: flex; gap: 16px; margin-top: 12px; font-size: .85rem; color: var(--muted); }
.tile-stats strong { color: var(--text); }
.empty { padding: 36px 16px; text-align: center; color: var(--muted); background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); }
.error-box { max-width: 480px; margin: 10vh auto; text-align: center; }
.error-box h1 { font-size: 3rem; color: var(--muted); }

/* ---------- Kanban ---------- */
.board-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.board-head h1 { font-size: 1.35rem; }
.board-head p { margin: 4px 0 0; max-width: 70ch; }
.board-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.board-tools input[type=search] { width: 240px; }
.board-tools select { width: auto; }
.legend { margin-left: auto; display: flex; gap: 10px; font-size: .78rem; color: var(--muted); align-items: center; flex-wrap: wrap; }

.board-columns {
    display: grid; grid-auto-flow: column; grid-auto-columns: minmax(228px, 1fr); gap: 12px;
    overflow-x: auto; padding-bottom: 8px; align-items: start; min-height: 60vh;
}
.column {
    background: #e8ecf2; border-radius: 12px; display: flex; flex-direction: column; max-height: calc(100vh - 190px);
    border-top: 4px solid #94a3b8;
}
.column[data-slug=backlog] { border-top-color: #94a3b8; }
.column[data-slug=a_fazer] { border-top-color: #1e88e5; }
.column[data-slug=em_andamento] { border-top-color: #7e57c2; }
.column[data-slug=pausado] { border-top-color: #f29900; }
.column[data-slug=homologacao] { border-top-color: #00acc1; }
.column[data-slug=concluido] { border-top-color: #2e9d57; }
.column-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px 6px; }
.column-head h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .5px; color: #344054; }
.count { background: #fff; border-radius: 999px; padding: 1px 9px; font-size: .78rem; font-weight: 700; color: var(--muted); }
.column-body { padding: 6px 8px; overflow-y: auto; min-height: 56px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.column.drag-over .column-body { background: rgba(21, 101, 192, .07); border-radius: 8px; }
.column-foot { padding: 6px 8px 10px; }
.add-card-btn { width: 100%; text-align: left; border: 0; background: transparent; color: var(--muted); padding: 7px 8px; border-radius: 8px; cursor: pointer; font: inherit; }
.add-card-btn:hover { background: rgba(255, 255, 255, .7); color: var(--text); }
.drop-indicator { height: 4px; border-radius: 4px; background: var(--primary); margin: -2px 0; flex-shrink: 0; }

.card {
    background: var(--surface); border-radius: 9px; box-shadow: var(--shadow); padding: 9px 10px 9px 12px;
    cursor: pointer; border-left: 5px solid #94a3b8; position: relative;
}
.card:hover { box-shadow: 0 3px 10px rgba(16, 24, 40, .16); }
.card.dragging { opacity: .45; }
.card.prio-alta { border-left-color: var(--prio-alta); }
.card.prio-media { border-left-color: var(--prio-media); }
.card.prio-baixa { border-left-color: var(--prio-baixa); }
.card-top { display: flex; justify-content: space-between; align-items: center; gap: 6px; margin-bottom: 5px; }
.card-title { font-weight: 600; word-break: break-word; }
.card-client { font-size: .8rem; color: var(--muted); margin-top: 2px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 7px; }
.card-meta { display: flex; align-items: center; gap: 10px; margin-top: 8px; font-size: .78rem; color: var(--muted); }
.card-meta .spacer { flex: 1; }
.avatars { display: flex; }
.avatar {
    width: 22px; height: 22px; border-radius: 50%; background: #455a75; color: #fff; font-size: .66rem; font-weight: 700;
    display: grid; place-items: center; border: 2px solid #fff; margin-left: -6px;
}
.avatars .avatar:first-child { margin-left: 0; }

.prio-badge { display: inline-flex; align-items: center; gap: 4px; font-size: .72rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; }
.prio-badge.alta { background: var(--prio-alta-bg); color: #a3261c; }
.prio-badge.media { background: var(--prio-media-bg); color: #8a5a00; }
.prio-badge.baixa { background: var(--prio-baixa-bg); color: #146c3e; }
.tag { display: inline-block; color: #fff; font-size: .7rem; font-weight: 600; padding: 1px 8px; border-radius: 999px; }
.age { font-size: .72rem; border-radius: 6px; padding: 1px 6px; background: #eef1f5; color: var(--muted); }
.age.warn { background: #fff3d6; color: #8a5a00; }
.age.danger { background: #fde8e6; color: #a3261c; }

/* ---------- Diálogos ---------- */
dialog { border: 0; border-radius: 14px; padding: 0; box-shadow: var(--shadow-lg); color: var(--text); max-width: calc(100vw - 24px); }
dialog::backdrop { background: rgba(15, 39, 66, .55); }
.dlg-form { padding: 22px; display: grid; gap: 14px; width: min(460px, 92vw); }
.dlg-form h2 { font-size: 1.15rem; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.check input { width: auto; margin: 0; }

.card-dlg { width: min(1040px, 96vw); max-height: 94vh; overflow: hidden; }
.card-dlg[open] { display: flex; flex-direction: column; }
.cd-head { display: flex; gap: 12px; align-items: flex-start; padding: 16px 20px 10px; border-bottom: 1px solid var(--border); }
.cd-head .grow { flex: 1; min-width: 0; }
.cd-title { font-size: 1.25rem; font-weight: 700; border-color: transparent; padding: 4px 8px; margin-left: -8px; }
.cd-title:hover:not([readonly]) { border-color: var(--border); }
h2.cd-title { padding: 4px 0; margin: 0; }
.cd-sub { color: var(--muted); font-size: .82rem; margin-top: 2px; }
.cd-body { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 0; overflow: hidden; flex: 1; min-height: 0; }
.cd-main { padding: 16px 20px; overflow-y: auto; display: grid; gap: 18px; align-content: start; }
.cd-side { padding: 16px 18px; overflow-y: auto; background: var(--surface-2); border-left: 1px solid var(--border); display: grid; gap: 16px; align-content: start; }
.cd-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--border); }
.sec-title { font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); font-weight: 700; margin-bottom: 6px; }
.desc-area { min-height: 280px; line-height: 1.5; }

.tasks { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.task { display: flex; align-items: flex-start; gap: 10px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.task input[type=checkbox] { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; }
.task-main { flex: 1; min-width: 0; }
.task-title { font-weight: 600; word-break: break-word; }
.task.done .task-title { text-decoration: line-through; color: var(--muted); }
.task-who { font-size: .8rem; color: var(--muted); }
.task-add { display: grid; grid-template-columns: 1fr 1fr auto; gap: 6px; margin-top: 8px; }

.att-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.att { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.att a { font-weight: 600; word-break: break-all; }
.att small { color: var(--muted); display: block; }
.att-main { flex: 1; min-width: 0; }
.att-thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); }
.upload-zone { margin-top: 8px; border: 2px dashed var(--border); border-radius: 8px; padding: 12px; text-align: center; color: var(--muted); font-size: .85rem; }
.upload-zone.over { border-color: var(--primary); background: #eef5ff; }

.tag-editor { display: flex; flex-wrap: wrap; gap: 5px; border: 1px solid var(--border); border-radius: 8px; padding: 5px; background: #fff; }
.tag-editor input { border: 0; outline: 0 !important; flex: 1; min-width: 90px; padding: 3px 4px; width: auto; }
.tag-editor .tag button { border: 0; background: transparent; color: #fff; cursor: pointer; padding: 0 0 0 4px; font-size: .8rem; }

.history { width: 100%; border-collapse: collapse; font-size: .8rem; }
.history th { text-align: left; color: var(--muted); font-weight: 600; padding: 3px 4px; }
.history td { padding: 5px 4px; border-top: 1px solid var(--border); vertical-align: top; }
.history tr.current td { font-weight: 600; }
.totals { margin: 8px 0 0; padding: 0; list-style: none; font-size: .8rem; color: var(--muted); display: grid; gap: 2px; }

/* ---------- Usuários ---------- */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); background: var(--surface-2); }
.table tr:last-child td { border-bottom: 0; }
.pill { display: inline-block; font-size: .75rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: #eef1f5; color: #475467; }
.pill.admin { background: #e3f0ff; color: #0d47a1; }
.pill.off { background: #fdecec; color: #a3261c; }

/* ---------- Toasts ---------- */
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 100; }
.toast { background: #1f2933; color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow-lg); max-width: 360px; font-size: .9rem; }
.toast.err { background: #b3261e; }

@media (max-width: 860px) {
    .cd-body { grid-template-columns: 1fr; overflow-y: auto; }
    .cd-main, .cd-side { overflow: visible; }
    .cd-side { border-left: 0; border-top: 1px solid var(--border); }
    .task-add { grid-template-columns: 1fr; }
    .topbar { gap: 10px; padding: 0 12px; }
    .who small { display: none; }
    .board-columns { grid-auto-columns: 84vw; }
    .legend { margin-left: 0; }
}