/* =========================================================
   PrimePixel Tasks — Design System
   ========================================================= */

:root {
    /* Cores de marca */
    --color-ink: #14141a;
    --color-ink-soft: #2a2a33;
    --color-paper: #f6f5f3;
    --color-surface: #ffffff;
    --color-accent: #f2a900;
    --color-accent-dark: #cf8e00;
    --color-accent-soft: #fff3da;
    --color-border: #e7e5e1;
    --color-text: #1c1c22;
    --color-text-muted: #6f6e76;
    --color-text-faint: #a3a1a8;

    /* Estados */
    --color-danger: #e5484d;
    --color-danger-soft: #fdeceb;
    --color-success: #1aa974;
    --color-success-soft: #e5f7ef;
    --color-warning: #f59e0b;
    --color-warning-soft: #fef3da;
    --color-info: #3b82f6;
    --color-info-soft: #e8f0fe;

    /* Prioridades */
    --p-baixa: #9ca3af;
    --p-media: #3b82f6;
    --p-alta: #f59e0b;
    --p-urgente: #e5484d;

    /* Layout */
    --sidebar-w: 248px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(20, 20, 26, 0.06);
    --shadow-md: 0 4px 16px rgba(20, 20, 26, 0.08);
    --shadow-lg: 0 12px 32px rgba(20, 20, 26, 0.12);
    --font-display: 'Sora', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
    font-family: var(--font-body);
    background: var(--color-paper);
    color: var(--color-text);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--color-ink);
    margin: 0 0 4px 0;
    letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ---------- Layout geral ---------- */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-w);
    background: var(--color-ink);
    color: #fff;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 40;
    transition: transform .2s ease;
}

.sidebar-logo {
    padding: 22px 24px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo img { height: 22px; display: block; }

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.35);
    padding: 14px 12px 6px;
    font-weight: 600;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.72);
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 2px;
    transition: background .15s, color .15s;
}
.nav-link svg { width: 17px; height: 17px; flex-shrink: 0; opacity: .85; }
.nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-link.active { background: var(--color-accent); color: var(--color-ink); font-weight: 600; }
.nav-link.active svg { opacity: 1; }

.nav-badge {
    margin-left: auto;
    background: var(--color-danger);
    color: #fff;
    font-size: 10.5px;
    font-weight: 700;
    border-radius: 99px;
    padding: 1px 6px;
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 14px 16px 18px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 13px; font-weight: 600; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11.5px; color: rgba(255,255,255,0.45); }
.sidebar-logout { color: rgba(255,255,255,0.45); }
.sidebar-logout:hover { color: var(--color-accent); }

.main {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: 64px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 30;
}

.topbar-title { font-size: 18px; font-weight: 700; font-family: var(--font-display); color: var(--color-ink); }
.topbar-sub { font-size: 12.5px; color: var(--color-text-muted); margin-top: 1px; }
.topbar-spacer { flex: 1; }
.menu-toggle { display: none; background: none; border: none; padding: 6px; }

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    width: 240px;
}
.search-box input { background: none; border: none; outline: none; width: 100%; font-size: 13px; }
.search-box svg { width: 15px; height: 15px; color: var(--color-text-faint); flex-shrink: 0; }

.avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12.5px; font-weight: 700; color: #fff;
    flex-shrink: 0;
}
.avatar-sm { width: 26px; height: 26px; font-size: 10.5px; }
.avatar-lg { width: 56px; height: 56px; font-size: 18px; }

.content {
    padding: 28px;
    flex: 1;
}

/* ---------- Botões ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 600;
    border: 1px solid transparent;
    background: var(--color-ink);
    color: #fff;
    transition: opacity .15s, transform .1s;
}
.btn:hover { opacity: .88; }
.btn:active { transform: translateY(1px); }
.btn svg { width: 15px; height: 15px; }
.btn-accent { background: var(--color-accent); color: var(--color-ink); }
.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { background: var(--color-paper); opacity: 1; }
.btn-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn-icon { padding: 7px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Cards / superfícies ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.card-pad { padding: 20px 22px; }

.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 22px;
    gap: 16px;
    flex-wrap: wrap;
}

/* ---------- Stat cards ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 22px;
}
.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    position: relative;
    overflow: hidden;
}
.stat-card .stat-label { font-size: 12px; color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.stat-card .stat-value { font-family: var(--font-display); font-size: 30px; font-weight: 700; color: var(--color-ink); margin-top: 6px; }
.stat-card .stat-sub { font-size: 12px; color: var(--color-text-faint); margin-top: 2px; }
.stat-card.is-danger .stat-value { color: var(--color-danger); }
.stat-card.is-accent::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--color-accent);
}

/* ---------- Tabelas / Listas ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th {
    text-align: left;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--color-text-faint);
    font-weight: 600;
    padding: 0 14px 10px;
    border-bottom: 1px solid var(--color-border);
}
.table td { padding: 12px 14px; border-bottom: 1px solid var(--color-border); font-size: 13.5px; vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--color-paper); }

/* ---------- Badges / Tags ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11.5px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 99px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

.badge-overdue { background: var(--color-danger-soft); color: var(--color-danger); }
.badge-today { background: var(--color-warning-soft); color: var(--color-warning); }
.badge-done { background: var(--color-success-soft); color: var(--color-success); }

/* ---------- Formulários ---------- */
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--color-text); margin-bottom: 6px; }
.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-hint { font-size: 12px; color: var(--color-text-faint); margin-top: 4px; }
.form-error { font-size: 12.5px; color: var(--color-danger); margin-top: 4px; }

/* ---------- Alertas / flash ---------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success { background: var(--color-success-soft); color: var(--color-success); }
.alert-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.alert-info { background: var(--color-info-soft); color: var(--color-info); }
.alert-warning { background: var(--color-warning-soft); color: #92660a; }

.banner-overdue {
    background: var(--color-ink);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}
.banner-overdue .dot-pulse {
    width: 9px; height: 9px; border-radius: 50%;
    background: var(--color-danger);
    box-shadow: 0 0 0 0 rgba(229,72,77,.7);
    animation: pulse 1.8s infinite;
    flex-shrink: 0;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(229,72,77,.6); }
    70% { box-shadow: 0 0 0 8px rgba(229,72,77,0); }
    100% { box-shadow: 0 0 0 0 rgba(229,72,77,0); }
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(20,20,26,0.5);
    display: none;
    align-items: center; justify-content: center;
    z-index: 100;
    padding: 20px;
}
.modal-overlay.is-open { display: flex; }
.modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--color-border);
}
.modal-header h3 { font-size: 16px; }
.modal-close { background: none; border: none; color: var(--color-text-faint); padding: 4px; }
.modal-body { padding: 20px 22px; }
.modal-footer {
    padding: 16px 22px;
    border-top: 1px solid var(--color-border);
    display: flex; justify-content: flex-end; gap: 10px;
}

/* ---------- Kanban ---------- */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 16px;
    align-items: start;
}
.kanban-col {
    background: rgba(20,20,26,0.025);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 12px;
    min-height: 200px;
}
.kanban-col-head {
    display: flex; align-items: center; gap: 8px;
    padding: 4px 6px 12px;
    font-size: 13px; font-weight: 700;
    color: var(--color-ink);
}
.kanban-col-head .count {
    margin-left: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: 11px; font-weight: 700;
    border-radius: 99px; padding: 1px 8px;
    color: var(--color-text-muted);
}
.kanban-cards { display: flex; flex-direction: column; gap: 10px; min-height: 40px; }
.kanban-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 13px;
    cursor: grab;
    box-shadow: var(--shadow-sm);
    transition: box-shadow .15s, transform .1s;
}
.kanban-card:hover { box-shadow: var(--shadow-md); }
.kanban-card.dragging { opacity: .4; }
.kanban-card.is-overdue { border-left: 3px solid var(--color-danger); }
.kanban-card-title { font-size: 13.5px; font-weight: 600; margin-bottom: 8px; line-height: 1.35; }
.kanban-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.kanban-card-proj { font-size: 11px; color: var(--color-text-faint); font-weight: 600; }
.kanban-col.drag-over { background: var(--color-accent-soft); }

/* ---------- Calendário ---------- */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.calendar-weekday {
    background: var(--color-ink);
    color: rgba(255,255,255,.7);
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    text-align: center; padding: 8px 0;
    letter-spacing: .04em;
}
.calendar-day {
    background: var(--color-surface);
    min-height: 108px;
    padding: 7px;
    font-size: 12px;
}
.calendar-day.is-muted { background: var(--color-paper); color: var(--color-text-faint); }
.calendar-day.is-today { background: var(--color-accent-soft); }
.calendar-day-num { font-weight: 700; font-size: 12.5px; margin-bottom: 5px; }
.calendar-task {
    background: var(--color-paper);
    border-left: 3px solid var(--color-accent);
    border-radius: 4px;
    padding: 3px 6px;
    font-size: 11px;
    margin-bottom: 3px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    font-weight: 600;
}
.calendar-task.is-overdue { border-left-color: var(--color-danger); color: var(--color-danger); }
.calendar-task.is-done { border-left-color: var(--color-success); text-decoration: line-through; opacity: .6; }

/* ---------- Filtros ---------- */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    align-items: center;
}
.filter-bar select, .filter-bar input[type=text] {
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    font-size: 13px;
}
.tab-group { display: flex; gap: 4px; background: var(--color-paper); padding: 4px; border-radius: var(--radius-md); }
.tab-link {
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
}
.tab-link.active { background: var(--color-surface); color: var(--color-ink); box-shadow: var(--shadow-sm); }

/* ---------- Login ---------- */
.auth-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-ink);
    background-image: radial-gradient(circle at 15% 15%, rgba(242,169,0,0.12), transparent 45%),
                       radial-gradient(circle at 85% 85%, rgba(242,169,0,0.08), transparent 45%);
    padding: 20px;
}
.auth-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 380px;
    padding: 36px 32px 30px;
}
.auth-logo { text-align: center; margin-bottom: 26px; }
.auth-logo img { height: 26px; }
.auth-title { font-size: 19px; text-align: center; margin-bottom: 4px; }
.auth-sub { font-size: 13px; color: var(--color-text-muted); text-align: center; margin-bottom: 24px; }
.auth-card .btn { width: 100%; justify-content: center; margin-top: 6px; }

/* ---------- Empty state ---------- */
.empty-state {
    text-align: center;
    padding: 56px 20px;
    color: var(--color-text-muted);
}
.empty-state svg { width: 44px; height: 44px; color: var(--color-text-faint); margin-bottom: 14px; }
.empty-state h4 { color: var(--color-text); font-size: 15px; margin-bottom: 4px; }
.empty-state p { font-size: 13px; margin: 0 0 16px; }

/* ---------- Utilitários ---------- */
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: 6px; }
.gap-2 { gap: 10px; }
.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.mb-0 { margin-bottom: 0; }
.mt-3 { margin-top: 14px; }
.w-full { width: 100%; }

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .kanban-board { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .menu-toggle { display: inline-flex; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.is-open { transform: translateX(0); box-shadow: var(--shadow-lg); }
    .main { margin-left: 0; }
    .search-box { display: none; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .kanban-board { grid-template-columns: 1fr; }
    .content { padding: 18px; }
    .calendar-day { min-height: 70px; }
}