/* ============================================================
   AECC GESTIÓN — Design System · Tema Claro
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Space+Mono:wght@400;700&display=swap');

:root {
    /* Fondos */
    --bg-deep:    #f2f7f3;
    --bg-base:    #ffffff;
    --bg-card:    #ffffff;
    --bg-card-hv: #f6faf7;
    --bg-elev:    #f0f5f1;
    --bg-input:   #f6f8f6;

    /* Bordes */
    --border:       rgba(0,0,0,0.09);
    --border-hv:    rgba(0,0,0,0.16);
    --border-focus: #00bf63;

    /* Texto */
    --text-primary:   #0f1f14;
    --text-secondary: #4a6052;
    --text-muted:     #8aa090;

    /* Verde AECC */
    --aecc:         #00bf63;
    --aecc-dark:    #009e50;
    --aecc-glow:    rgba(0,191,99,0.15);
    --aecc-dim:     rgba(0,191,99,0.09);

    /* Rosa lazo */
    --pink:         #00bf63;
    --pink-dark:    #009e50;
    --pink-glow:    rgba(0,191,99,0.12);
    --pink-dim:     rgba(0,191,99,0.07);

    /* Estados */
    --red:      #dc2626;
    --red-dim:  rgba(220,38,38,0.08);
    --amber:    #d97706;
    --amber-dim:rgba(217,119,6,0.08);
    --blue:     #2563eb;
    --blue-dim: rgba(37,99,235,0.08);
    --purple:   #7c3aed;
    --purp-dim: rgba(124,58,237,0.08);

    /* Layout */
    --sidebar-w: 260px;
    --radius:    12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow:    0 1px 3px rgba(0,0,0,0.06), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-lg: 0 4px 24px rgba(0,0,0,0.09);

    --font:      'DM Sans', -apple-system, sans-serif;
    --font-mono: 'Space Mono', monospace;
    --trans:     0.18s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--aecc); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--aecc-dark); }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }

/* ── LAYOUT ── */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-base);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    position: fixed; top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform var(--trans);
    overflow: hidden;
    box-shadow: 2px 0 8px rgba(0,0,0,0.04);
}

.sidebar-header { padding: 18px 16px; border-bottom: 1px solid var(--border); }

.sidebar-brand { display: flex; align-items: center; gap: 10px; }
.sidebar-brand-icon {
    width: 36px; height: 36px; border-radius: 10px;
    background: var(--aecc-dim); border: 1px solid rgba(0,191,99,0.2);
    display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.sidebar-brand-text { flex: 1; }
.sidebar-brand-title { font-size: 15px; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.sidebar-brand-sub { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }

.sidebar-tenant { padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--aecc-dim); }
.sidebar-tenant-name { font-size: 13px; font-weight: 600; color: var(--aecc-dark); display: flex; align-items: center; gap: 6px; }
.sidebar-tenant-role { font-size: 10px; color: var(--text-muted); margin-top: 1px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 1px; }

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; scrollbar-width: thin; }
.nav-section { margin-bottom: 18px; }
.nav-section-title { font-size: 10px; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); padding: 0 10px; margin-bottom: 5px; font-weight: 700; font-family: var(--font-mono); }

.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--radius-sm);
    color: var(--text-secondary); font-weight: 500; font-size: 13.5px;
    transition: all var(--trans); cursor: pointer;
    text-decoration: none; margin-bottom: 1px;
}
.nav-item i { width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; color: var(--text-muted); }
.nav-item:hover { color: var(--text-primary); background: var(--bg-elev); }
.nav-item:hover i { color: var(--aecc); }
.nav-item.active { color: var(--aecc-dark); background: var(--aecc-dim); font-weight: 600; border-left: 3px solid var(--aecc); padding-left: 7px; }
.nav-item.active i { color: var(--aecc); }

.nav-badge { margin-left: auto; background: var(--red); color: white; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 10px; }
.nav-badge.green { background: var(--aecc); color: white; }

.sidebar-footer { padding: 10px 8px; border-top: 1px solid var(--border); }
.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); transition: background var(--trans); }
.sidebar-user:hover { background: var(--bg-elev); }
.sidebar-user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--aecc-dim); color: var(--aecc-dark); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; border: 1px solid rgba(0,191,99,0.2); }
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 13px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 11px; color: var(--text-muted); }

.main-content { flex: 1; margin-left: var(--sidebar-w); padding: 28px 32px; min-height: 100vh; max-width: calc(100vw - var(--sidebar-w)); }

.mobile-toggle { display: none; position: fixed; top: 12px; left: 12px; z-index: 200; width: 38px; height: 38px; border-radius: 9px; background: var(--bg-base); border: 1px solid var(--border); color: var(--text-primary); font-size: 16px; align-items: center; justify-content: center; cursor: pointer; box-shadow: var(--shadow); }

/* ── TOPBAR ── */
.topbar { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-title { font-size: 24px; font-weight: 700; line-height: 1.2; color: var(--text-primary); }
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 3px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ── CARDS ── */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow); }
.card:hover { border-color: var(--border-hv); }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 12px; }
.card-title { font-size: 15px; font-weight: 600; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; position: relative; overflow: hidden; box-shadow: var(--shadow); }
.stat-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.stat-card.c-green::after  { background: var(--aecc); }
.stat-card.c-pink::after   { background: var(--aecc-dark); }
.stat-card.c-amber::after  { background: var(--amber); }
.stat-card.c-red::after    { background: var(--red); }
.stat-card.c-blue::after   { background: var(--blue); }
.stat-card.c-purple::after { background: var(--purple); }

.stat-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700; font-family: var(--font-mono); }
.stat-value { font-size: 26px; font-weight: 700; margin-top: 8px; line-height: 1; color: var(--text-primary); }
.stat-value.green  { color: var(--aecc-dark); }
.stat-value.pink   { color: var(--aecc); }
.stat-value.amber  { color: var(--amber); }
.stat-value.red    { color: var(--red); }
.stat-value.blue   { color: var(--blue); }
.stat-value.purple { color: var(--purple); }
.stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 5px; }

/* ── TABLES ── */
.table-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 20px; box-shadow: var(--shadow); }
.table-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: 10px; background: var(--bg-card); }
.table-head h3 { font-size: 14px; font-weight: 600; }
.table-container { overflow-x: auto; }

table.aecc-table { width: 100%; border-collapse: collapse; }
table.aecc-table thead th { text-align: left; padding: 10px 16px; font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); font-weight: 700; font-family: var(--font-mono); border-bottom: 1px solid var(--border); background: var(--bg-elev); white-space: nowrap; }
table.aecc-table tbody td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13.5px; color: var(--text-secondary); vertical-align: middle; }
table.aecc-table tbody tr:last-child td { border-bottom: none; }
table.aecc-table tbody tr:hover td { background: var(--bg-elev); }

/* ── FORMS ── */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 11px; font-weight: 700; color: var(--text-secondary); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.8px; font-family: var(--font-mono); }
.form-control { width: 100%; padding: 10px 14px; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); font-family: var(--font); font-size: 14px; transition: border-color var(--trans), box-shadow var(--trans); }
.form-control:focus { outline: none; border-color: var(--aecc); box-shadow: 0 0 0 3px var(--aecc-glow); background: white; }
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--red); margin-top: 5px; font-weight: 600; }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: var(--radius-sm); font-family: var(--font); font-size: 13px; font-weight: 600; cursor: pointer; border: none; transition: all var(--trans); white-space: nowrap; text-decoration: none; line-height: 1.4; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--aecc); color: #fff; }
.btn-primary:hover { background: var(--aecc-dark); color: #fff; box-shadow: 0 4px 14px var(--aecc-glow); }

.btn-pink { background: var(--aecc); color: #fff; }
.btn-pink:hover { background: var(--aecc-dark); color: #fff; }

.btn-secondary { background: white; color: var(--text-secondary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-elev); color: var(--text-primary); border-color: var(--border-hv); }

.btn-danger { background: var(--red-dim); color: var(--red); border: 1px solid rgba(220,38,38,0.15); }
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-success { background: var(--aecc-dim); color: var(--aecc-dark); border: 1px solid rgba(0,191,99,0.2); }
.btn-success:hover { background: var(--aecc); color: #fff; }

.btn-sm  { padding: 6px 12px; font-size: 12px; }
.btn-lg  { padding: 12px 28px; font-size: 15px; }
.btn-icon { width: 34px; height: 34px; padding: 0; display: inline-flex; align-items: center; justify-content: center; background: white; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-secondary); cursor: pointer; transition: all var(--trans); font-size: 14px; }
.btn-icon:hover { background: var(--bg-elev); color: var(--text-primary); border-color: var(--border-hv); }

/* ── BADGES ── */
.badge { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 700; font-family: var(--font-mono); }
.badge-green  { background: var(--aecc-dim);  color: var(--aecc-dark); border: 1px solid rgba(0,191,99,0.2); }
.badge-pink   { background: var(--aecc-dim);  color: var(--aecc-dark); border: 1px solid rgba(0,191,99,0.2); }
.badge-amber  { background: var(--amber-dim); color: var(--amber); }
.badge-red    { background: var(--red-dim);   color: var(--red); }
.badge-blue   { background: var(--blue-dim);  color: var(--blue); }
.badge-purple { background: var(--purp-dim);  color: var(--purple); }
.badge-muted  { background: var(--bg-elev);   color: var(--text-muted); border: 1px solid var(--border); }

/* ── MODALS ── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 1000; align-items: center; justify-content: center; backdrop-filter: blur(3px); padding: 20px; }
.modal-overlay.active { display: flex; }
.modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); width: 100%; max-width: 540px; max-height: 92vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-lg { max-width: 720px; }
.modal-sm { max-width: 420px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--bg-card); z-index: 1; }
.modal-header h3 { font-size: 15px; font-weight: 700; }
.modal-body { padding: 20px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--border); position: sticky; bottom: 0; background: var(--bg-card); }

/* ── TABS ── */
.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--border); margin-bottom: 20px; overflow-x: auto; }
.tab { padding: 9px 16px; font-size: 13px; font-weight: 600; color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent; transition: all var(--trans); white-space: nowrap; margin-bottom: -2px; }
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--aecc-dark); border-bottom-color: var(--aecc); }

/* ── ALERTS ── */
.alert { padding: 11px 15px; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 500; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.alert-success { background: var(--aecc-dim); color: var(--aecc-dark); border: 1px solid rgba(0,191,99,0.2); }
.alert-error   { background: var(--red-dim);  color: var(--red);       border: 1px solid rgba(220,38,38,0.15); }
.alert-info    { background: var(--blue-dim); color: var(--blue);      border: 1px solid rgba(37,99,235,0.15); }
.alert-warning { background: var(--amber-dim);color: var(--amber);     border: 1px solid rgba(217,119,6,0.15); }

/* ── SAVING IND ── */
.saving-ind { position: fixed; top: 14px; right: 14px; background: var(--aecc); color: white; padding: 7px 16px; border-radius: 20px; font-size: 12px; font-weight: 700; font-family: var(--font-mono); z-index: 9999; opacity: 0; transition: opacity 0.3s; pointer-events: none; box-shadow: var(--shadow); }
.saving-ind.show { opacity: 1; }

/* ── POS ── */
.pos-layout { display: grid; grid-template-columns: 1fr 360px; gap: 18px; height: calc(100vh - 140px); }
.pos-products { overflow-y: auto; padding-right: 4px; }
.pos-product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
.pos-product-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 12px; text-align: center; cursor: pointer; transition: all var(--trans); user-select: none; box-shadow: var(--shadow); }
.pos-product-card:hover { border-color: var(--aecc); transform: translateY(-2px); box-shadow: 0 6px 20px var(--aecc-glow); }
.pos-product-card.disabled { opacity: 0.4; pointer-events: none; }
.pos-prod-emoji  { font-size: 1.8rem; margin-bottom: 6px; }
.pos-prod-name   { font-size: 12px; font-weight: 600; color: var(--text-primary); margin-bottom: 3px; }
.pos-prod-price  { font-size: 16px; font-weight: 800; color: var(--aecc-dark); }
.pos-prod-stock  { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); margin-top: 2px; }
.pos-cart { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); display: flex; flex-direction: column; overflow: hidden; box-shadow: var(--shadow); }
.pos-cart-header { padding: 14px 18px; border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 700; background: var(--bg-elev); }
.pos-cart-items { flex: 1; overflow-y: auto; padding: 10px; }
.pos-cart-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; background: var(--bg-elev); border-radius: var(--radius-sm); margin-bottom: 6px; border: 1px solid var(--border); }
.pos-cart-item-name  { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.pos-cart-item-detail{ font-size: 11px; color: var(--text-muted); margin-top: 1px; }
.pos-cart-item-price { font-weight: 800; font-size: 14px; color: var(--aecc-dark); }
.pos-cart-item-actions { display: flex; gap: 4px; margin-left: auto; flex-shrink: 0; }
.pos-cart-total { padding: 14px 18px; border-top: 1px solid var(--border); background: var(--aecc-dim); }
.pos-cart-total-row { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 13px; color: var(--text-secondary); }
.pos-cart-total-row.big { font-size: 22px; font-weight: 800; color: var(--aecc-dark); margin-top: 6px; }
.pos-cart-actions { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; gap: 8px; }
.pos-cart-actions .btn { flex: 1; justify-content: center; padding: 11px; }

/* ── EMPTY STATE ── */
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ── MISC ── */
.divider { height: 1px; background: var(--border); margin: 18px 0; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 20px; font-size: 12px; font-weight: 500; color: var(--text-secondary); }
.text-green  { color: var(--aecc-dark); }
.text-pink   { color: var(--aecc); }
.text-amber  { color: var(--amber); }
.text-red    { color: var(--red); }
.text-muted  { color: var(--text-muted); }
.fw-700      { font-weight: 700; }
.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.mb-20{margin-bottom:20px}
.flex{display:flex}.flex-center{align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}

/* ── LOGIN ── */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--aecc-dim) 0%, #fff 60%, var(--aecc-dim) 100%); padding: 20px; }
.login-card { background: white; border: 1px solid var(--border); border-radius: 20px; padding: 44px 36px; width: 100%; max-width: 420px; box-shadow: var(--shadow-lg); text-align: center; }
.login-card .ribbon { font-size: 48px; margin-bottom: 12px; }
.login-card h1 { font-size: 26px; font-weight: 800; margin-bottom: 4px; color: var(--text-primary); }
.login-card .subtitle { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 30px; }
.login-card .form-group { text-align: left; }
.login-error { color: var(--red); font-size: 13px; margin-top: 12px; font-weight: 600; display: none; }

/* ── TOOL CARDS (hub) ── */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.tool-card { background: white; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px 22px; display: flex; flex-direction: column; align-items: flex-start; transition: all var(--trans); text-decoration: none; color: inherit; box-shadow: var(--shadow); }
.tool-card:hover { border-color: var(--aecc); transform: translateY(-3px); box-shadow: 0 8px 28px var(--aecc-glow); }
.tool-card-icon { width: 50px; height: 50px; border-radius: 13px; background: var(--aecc-dim); font-size: 22px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; border: 1px solid rgba(0,191,99,0.15); }
.tool-card-icon.pink  { background: var(--aecc-dim); border-color: rgba(0,191,99,0.12); }
.tool-card-icon.amber { background: var(--amber-dim); border-color: rgba(217,119,6,0.12); }
.tool-card-icon.blue  { background: var(--blue-dim); border-color: rgba(37,99,235,0.12); }
.tool-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.tool-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; flex: 1; }
.tool-card .tool-link { margin-top: 16px; font-size: 13px; font-weight: 700; color: var(--aecc-dark); display: flex; align-items: center; gap: 6px; }

/* ── PRINT ── */
@media print {
    .sidebar, .mobile-toggle, .no-print { display: none !important; }
    .main-content { margin-left: 0 !important; padding: 0 !important; }
    body { background: white !important; }
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE — Mobile first
   Breakpoints: 1024px (tablet), 768px (phone), 420px (small)
═══════════════════════════════════════════════════ */

/* ── TABLET (≤1024px): ocultar sidebar, mostrar hamburguesa ── */
@media (max-width: 1024px) {
    /* Sidebar oculto por defecto, desliza desde izquierda */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
        z-index: 300;
    }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 32px rgba(0,0,0,0.18);
    }

    /* Main ocupa todo el ancho */
    .main-content {
        margin-left: 0 !important;
        max-width: 100vw !important;
        padding: 20px 20px !important;
    }

    /* Hamburguesa visible */
    .mobile-toggle { display: flex; }

    /* Overlay oscuro cuando sidebar abierto */
    .sidebar-overlay {
        display: none;
        position: fixed; inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 299;
    }
    .sidebar-overlay.active { display: block; }

    /* POS en una columna */
    .pos-layout { grid-template-columns: 1fr; height: auto; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── PHONE (≤768px): layout compacto ── */
@media (max-width: 768px) {
    /* Barra superior fija con hamburguesa a ancho completo */
    body { padding-top: 56px; }

    .mobile-toggle {
        top: 0; left: 0; right: 0;
        width: 100% !important; height: 56px;
        border-radius: 0;
        border: none; border-bottom: 1px solid var(--border);
        justify-content: flex-start;
        padding: 0 16px; gap: 12px;
        font-size: 20px;
    }
    .mobile-toggle::after {
        content: 'AECC Gestión';
        font-size: 15px; font-weight: 700;
        color: var(--text-primary);
        font-family: var(--font);
    }

    /* Sidebar ancho máximo en móvil */
    .sidebar { width: 80vw; max-width: 300px; }

    /* Main padding reducido */
    .main-content { padding: 14px 12px !important; }

    /* Page title más pequeño */
    .page-title { font-size: 19px; }
    .page-subtitle { font-size: 12px; }

    /* Topbar apilado */
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 14px;
    }
    .topbar-actions {
        width: 100%;
        display: flex; flex-wrap: wrap; gap: 8px;
    }
    .topbar-actions .btn { flex: 1; min-width: 100px; justify-content: center; }

    /* Stats: 2 columnas */
    .stats-grid { grid-template-columns: 1fr 1fr !important; gap: 10px; margin-bottom: 14px; }
    .stat-card { padding: 12px 10px; }
    .stat-value { font-size: 20px !important; }
    .stat-label { font-size: 9px; letter-spacing: 0.5px; }
    .stat-sub { font-size: 11px; }

    /* Tabs: scroll horizontal sin wrap */
    .tabs {
        flex-wrap: nowrap !important;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        margin-bottom: 16px;
    }
    .tabs::-webkit-scrollbar { display: none; }
    .tab { white-space: nowrap; flex-shrink: 0; padding: 8px 14px; font-size: 12px; }

    /* Tablas con scroll horizontal */
    .table-wrap { border-radius: 10px; margin-bottom: 12px; }
    .table-container { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    table.aecc-table thead th { font-size: 9px; padding: 8px 8px; white-space: nowrap; }
    table.aecc-table tbody td { font-size: 12px; padding: 10px 8px; }

    /* Table-head apilado */
    .table-head { flex-direction: column; align-items: flex-start; gap: 8px; }
    .table-head h3 { font-size: 14px; }
    .table-head .flex { flex-wrap: wrap; gap: 6px; }

    /* Cards */
    .card { padding: 14px; border-radius: 12px; }
    .card-header { margin-bottom: 12px; }

    /* Formularios en columna */
    .form-row { grid-template-columns: 1fr !important; gap: 10px; }
    .form-group { margin-bottom: 10px; }

    /* Botones */
    .btn { font-size: 12px; padding: 8px 12px; }
    .btn-sm { font-size: 11px; padding: 5px 8px; }
    .btn-lg { font-size: 14px; padding: 11px 18px; }

    /* Tool grid: 1 columna */
    .tool-grid { grid-template-columns: 1fr !important; }
    .tool-card { padding: 16px 14px; }

    /* Modales: slide desde abajo */
    .modal-overlay.active { align-items: flex-end !important; padding: 0 !important; }
    .modal { border-radius: 20px 20px 0 0 !important; max-height: 92vh; width: 100% !important; max-width: 100% !important; }

    /* POS */
    .pos-layout { grid-template-columns: 1fr !important; height: auto !important; }
    .pos-product-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 8px; }
    .pos-prod-name { font-size: 11px; }
    .pos-prod-price { font-size: 14px; }
    .pos-prod-stock { font-size: 10px; }
    .pos-cart-total-row.big { font-size: 18px; }

    /* Grids inline con auto-fit → 1 columna */
    .stats-grid[style],
    div[style*="grid-template-columns:repeat(auto-fit"],
    div[style*="grid-template-columns: repeat(auto-fit"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── SMALL PHONE (≤420px) ── */
@media (max-width: 420px) {
    .stats-grid { grid-template-columns: 1fr !important; }
    .pos-product-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .tab { padding: 7px 11px; font-size: 11px; }
}