:root {
    --bg-page: #eef1f5;
    --bg-sidebar: #f8fafc;
    --bg-card: #ffffff;
    --border-subtle: #dfe3e8;
    --border-strong: #c8cdd4;

    --text-heading: #0f172a;
    --text-body: #1f2937;
    --text-secondary: #475569;
    --text-muted: #5b6472;

    --primary: #1d4ed8;
    --primary-hover: #1e40af;
    --primary-tint: #dbeafe;

    --success: #16a34a;
    --success-text: #15803d;
    --success-bg: #dcfce7;
    --success-border: #4ade80;

    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --danger-text: #7f1d1d;
    --danger-bg: #fee2e2;
    --danger-border: #f87171;

    --warning: #ea580c;
    --warning-text: #9a3412;
    --warning-bg: #ffedd5;
    --warning-border: #fb923c;
}

* { box-sizing: border-box; }
body {
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-page);
    color: var(--text-body);
    margin: 0;
}
.container { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }
h1 { font-size: 1.4rem; margin-bottom: 1rem; color: var(--text-heading); font-weight: 800; }
h3 { color: var(--text-heading); font-weight: 700; }
label { font-size: .85rem; color: var(--text-secondary); display: block; margin-bottom: .3rem; font-weight: 600; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }

/* --- Mesas --- */
.table-card {
    background: var(--bg-card);
    border: 2px solid var(--border-subtle);
    border-radius: 14px;
    padding: 1.1rem;
    text-align: center;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 2px 8px rgba(16,24,40,.10);
    transition: transform .12s, box-shadow .12s;
}
.table-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(16,24,40,.16); }
.table-card.free { border-color: var(--success); background: var(--success-bg); }
.table-card.occupied { border-color: var(--warning); background: var(--warning-bg); }
.table-name { font-size: 1.1rem; font-weight: 700; color: var(--text-heading); }
.table-status { font-size: 0.8rem; color: var(--text-secondary); margin-top: .3rem; font-weight: 600; }
.table-amount { font-size: 1rem; font-weight: 700; color: var(--warning-text); margin-top: .4rem; }

.card {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px;
    padding: 1.3rem; margin-bottom: 1.1rem; box-shadow: 0 2px 8px rgba(16,24,40,.08);
}

/* --- Botões: alvos de toque maiores --- */
.btn {
    background: var(--primary); color: #fff; border: none; padding: .75rem 1.3rem;
    border-radius: 10px; cursor: pointer; font-size: .95rem; font-weight: 700;
    text-decoration: none; display: inline-block; transition: background .12s, transform .05s, box-shadow .12s;
    box-shadow: 0 2px 6px rgba(29,78,216,.35);
}
.btn:hover { background: var(--primary-hover); box-shadow: 0 3px 10px rgba(29,78,216,.45); }
.btn:active { transform: scale(.98); }
.btn-danger { background: var(--danger); box-shadow: 0 2px 6px rgba(220,38,38,.3); }
.btn-danger:hover { background: var(--danger-hover); }
.btn-secondary { background: #e5e9ee; color: var(--text-secondary); box-shadow: none; }
.btn-secondary:hover { background: #d8dee5; }

input, select, textarea {
    background: var(--bg-card); border: 1px solid var(--border-strong); color: var(--text-body);
    padding: .65rem .8rem; border-radius: 8px; width: 100%; margin-bottom: .8rem;
    font-size: .92rem; transition: border-color .12s, box-shadow .12s;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(29,78,216,.18);
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .7rem .6rem; border-bottom: 1px solid var(--border-subtle); }
th { color: var(--text-secondary); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; font-weight: 700; }

.alert-error { background: var(--danger-bg); color: var(--danger-text); padding: .9rem 1rem; border-radius: 10px; margin-bottom: 1rem; border: 1px solid var(--danger-border); font-weight: 600; }
.alert-success { background: var(--success-bg); color: var(--success-text); padding: .9rem 1rem; border-radius: 10px; margin-bottom: 1rem; border: 1px solid var(--success-border); font-weight: 600; }

.toggle-list { display: flex; flex-direction: column; gap: .5rem; }
.toggle-item { display: flex; align-items: center; gap: .6rem; }
.badge { background: var(--primary-tint); color: var(--primary); padding: .2rem .6rem; border-radius: 20px; font-size: .75rem; font-weight: 700; }

/* --- Layout de pedido (estilo POS: categorias + grid produtos + carrinho) --- */
.pos-layout { display: grid; grid-template-columns: 1fr 340px; gap: 1.2rem; align-items: start; }
.category-tabs { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.category-tab {
    background: var(--bg-card); border: 1px solid var(--border-subtle); color: var(--text-secondary);
    padding: .6rem 1.2rem; border-radius: 24px; cursor: pointer; font-size: .85rem; font-weight: 600;
    transition: background .12s, color .12s, border-color .12s;
}
.category-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.category-tab:hover:not(.active) { border-color: #93c5fd; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
.product-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px;
    padding: 1.2rem 1rem; text-align: center; cursor: pointer;
    box-shadow: 0 2px 8px rgba(16,24,40,.08);
    transition: transform .12s, box-shadow .12s, border-color .12s;
}
.product-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(16,24,40,.16); border-color: #93c5fd; }
.product-card.out-of-stock { opacity: .45; cursor: not-allowed; }
.product-name { font-weight: 700; font-size: .95rem; margin-bottom: .35rem; color: var(--text-heading); }
.product-price { color: var(--success-text); font-size: .9rem; font-weight: 700; }
.product-stock { color: var(--text-muted); font-size: .74rem; margin-top: .3rem; }

.cart-panel { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px; padding: 1.2rem; position: sticky; top: 1rem; box-shadow: 0 2px 8px rgba(16,24,40,.08); }
.cart-header { font-weight: 700; margin-bottom: .9rem; display: flex; justify-content: space-between; color: var(--text-heading); }
.cart-item { display: flex; justify-content: space-between; padding: .6rem 0; border-bottom: 1px solid var(--border-subtle); font-size: .88rem; }
.cart-item-name { flex: 1; }
.cart-item-qty { color: var(--text-secondary); margin-right: .5rem; font-weight: 600; }
.cart-empty { text-align: center; color: var(--text-muted); padding: 2rem 0; }
.cart-total { display: flex; justify-content: space-between; font-size: 1.15rem; font-weight: 800; margin-top: 1rem; padding-top: .9rem; border-top: 1px solid var(--border-strong); color: var(--text-heading); }

.status-pill { padding: .25rem .7rem; border-radius: 20px; font-size: .74rem; font-weight: 700; }
.status-open { background: var(--success); color: #fff; }
.status-awaiting { background: var(--warning); color: #fff; }

/* --- Ecrã de login: grid de perfis --- */
.profile-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 1rem; }
.profile-card {
    display: flex; flex-direction: column; align-items: center; text-decoration: none; color: inherit;
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px; padding: 1.1rem .6rem;
    box-shadow: 0 2px 8px rgba(16,24,40,.08);
    transition: transform .12s, border-color .12s, box-shadow .12s;
}
.profile-card:hover { transform: translateY(-3px); border-color: #93c5fd; box-shadow: 0 8px 20px rgba(16,24,40,.16); }
.profile-avatar {
    width: 52px; height: 52px; border-radius: 50%; background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.2rem;
}
.profile-name { font-size: .88rem; font-weight: 700; margin-top: .5rem; text-align: center; color: var(--text-heading); }
.profile-roles { font-size: .72rem; color: var(--text-muted); text-align: center; margin-top: .15rem; }

/* --- Toasts (mensagens flutuantes) --- */
#toast-container { position: fixed; top: 1rem; right: 1rem; z-index: 999; display: flex; flex-direction: column; gap: .6rem; }
.toast {
    min-width: 260px; max-width: 360px; padding: .9rem 1.1rem; border-radius: 10px; font-size: .9rem;
    box-shadow: 0 8px 24px rgba(16,24,40,.18); animation: toast-in .18s ease-out; font-weight: 600;
}
.toast-error { background: var(--danger-bg); color: var(--danger-text); border-left: 4px solid var(--danger); }
.toast-success { background: var(--success-bg); color: var(--success-text); border-left: 4px solid var(--success); }
@keyframes toast-in { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* --- Modal reutilizável --- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(15,23,42,.5); display: none;
    align-items: center; justify-content: center; z-index: 998; animation: modal-fade .12s ease-out;
}
.modal-overlay.open { display: flex; }
.modal-box {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 16px;
    padding: 1.6rem; width: 90%; max-width: 380px; box-shadow: 0 20px 40px rgba(16,24,40,.24);
    animation: modal-pop .15s ease-out;
}
.modal-title { font-weight: 700; font-size: 1.05rem; margin-bottom: .5rem; color: var(--text-heading); }
.modal-body { color: var(--text-secondary); font-size: .9rem; margin-bottom: 1.3rem; }
.modal-actions { display: flex; gap: .6rem; justify-content: flex-end; }
@keyframes modal-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-pop { from { opacity: 0; transform: scale(.95); } to { opacity: 1; transform: scale(1); } }

/* ========================================
   SIDEBAR LAYOUT
   ======================================== */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-strong);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
}
.sidebar-brand {
    padding: 1.3rem 1.2rem 1.1rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--text-heading);
    display: flex;
    align-items: center;
    gap: .6rem;
    border-bottom: 1px solid var(--border-subtle);
}
.sidebar-nav { flex: 1; padding: .7rem 0; }
.nav-group-label {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--text-muted);
    padding: 0 1.2rem;
    margin: 1.2rem 0 .4rem;
    font-weight: 700;
}
.nav-group-label:first-child { margin-top: .4rem; }
.nav-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem 1.2rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: .89rem;
    font-weight: 600;
    border-left: 3px solid transparent;
    transition: background .12s, color .12s;
}
.nav-link:hover { background: var(--bg-page); color: var(--text-heading); }
.nav-link.active { background: var(--primary); color: #fff; border-left-color: var(--primary-hover); font-weight: 700; box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.nav-icon { width: 18px; text-align: center; flex-shrink: 0; font-size: 1rem; }

.sidebar-footer {
    padding: 1.1rem 1.2rem;
    border-top: 1px solid var(--border-subtle);
    font-size: .85rem;
}
.sidebar-user { display: flex; align-items: center; gap: .6rem; margin-bottom: .8rem; }
.sidebar-user-avatar {
    width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0;
}
.sidebar-user-name { font-weight: 700; font-size: .85rem; line-height: 1.2; color: var(--text-heading); }
.sidebar-user-roles { font-size: .72rem; color: var(--text-muted); }
.sidebar-logout {
    display: block; text-align: center; background: #e5e9ee; color: var(--text-secondary);
    padding: .55rem; border-radius: 8px; text-decoration: none; font-size: .82rem; font-weight: 700;
    transition: background .12s;
}
.sidebar-logout:hover { background: #d8dee5; }

.main-content { flex: 1; min-width: 0; }
.main-content .container { max-width: 1200px; }

/* --- Dashboard --- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.1rem; margin-bottom: 1.6rem; }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px; padding: 1.3rem;
    box-shadow: 0 2px 8px rgba(16,24,40,.08);
}
.stat-label { font-size: .78rem; color: var(--text-secondary); margin-bottom: .5rem; font-weight: 600; }
.stat-value { font-size: 1.7rem; font-weight: 800; color: var(--text-heading); }
.stat-value.warn { color: var(--warning-text); }
.stat-value.good { color: var(--success-text); }
.stat-value.danger { color: var(--danger); }

/* --- Cozinha/Bar: Kanban por estado --- */
.kanban-board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; align-items: start; }
.kanban-column { background: #e3e8ed; border: 1px solid var(--border-subtle); border-radius: 14px; padding: 1rem; min-height: 200px; }
.kanban-column-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .9rem; padding: 0 .2rem; }
.kanban-column-title { font-weight: 700; font-size: .9rem; color: var(--text-heading); }
.kanban-count { background: var(--border-strong); color: var(--text-heading); font-size: .72rem; font-weight: 700; padding: .1rem .55rem; border-radius: 20px; }
.kanban-card {
    background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 12px; padding: .9rem;
    margin-bottom: .8rem; box-shadow: 0 2px 8px rgba(16,24,40,.08);
}
.kanban-card-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: .5rem; }
.kanban-card-table { font-weight: 700; color: var(--text-heading); }
.kanban-card-time { font-size: .74rem; color: var(--text-muted); }
.kanban-card-waiter { font-size: .76rem; color: var(--text-secondary); margin-bottom: .5rem; font-weight: 600; }
.kanban-item-row { display: flex; justify-content: space-between; align-items: center; padding: .3rem 0; font-size: .85rem; color: var(--text-body); }

/* Layout antigo mantido por compatibilidade (usado como fallback) */
.kitchen-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.kitchen-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px; padding: 1.1rem; box-shadow: 0 2px 8px rgba(16,24,40,.08); }
.kitchen-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .7rem; padding-bottom: .7rem; border-bottom: 1px solid var(--border-subtle); }
.kitchen-item-row { display: flex; justify-content: space-between; align-items: center; padding: .45rem 0; font-size: .9rem; }