/* ═══════════════════════════════════════════════════════════════
   SIGE — Design System · Blue/Indigo · Modern UI
   Fuentes: Poppins (headings) + Inter (body) + JetBrains Mono
═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;600&display=swap');

:root {
    /* ── Fondos ──────────────────────────────── */
    --bg:           #f1f5f9;
    --body-gradient: linear-gradient(135deg, rgba(50,50,50,0.75), rgba(0,0,0,0.75));
    --surface:      #f8fafc;
    --card:         #ffffff;
    --card-hi:      #f8fafc;
    --border:       #e2e8f0;
    --border-hi:    #cbd5e1;

    /* ── Acento principal — Blue/Indigo ────── */
    --lime:         #2563eb;
    --lime-dim:     #1d4ed8;
    --lime-bg:      rgba(37,99,235,.08);
    --lime-glow:    rgba(37,99,235,.20);

    /* ── Estados ────────────────────────────── */
    --red:          #dc2626;
    --red-bg:       rgba(220,38,38,.08);
    --red-border:   rgba(220,38,38,.25);

    --amber:        #d97706;
    --amber-bg:     rgba(217,119,6,.08);
    --amber-border: rgba(217,119,6,.25);

    --blue:         #2563eb;
    --blue-bg:      rgba(37,99,235,.08);
    --blue-border:  rgba(37,99,235,.25);

    --green:        #16a34a;
    --green-bg:     rgba(22,163,74,.08);
    --green-border: rgba(22,163,74,.25);

    /* ── Textos ─────────────────────────────── */
    --text:         #0f172a;
    --text-dim:     #48566a;
    --text-muted:   #ffffff;
    --text-muted:   #000000;

    /* ── Tipografía ─────────────────────────── */
    --font-sans:    'Inter', system-ui, sans-serif;
    --font-heading: 'Poppins', system-ui, sans-serif;
    --font-mono:    'JetBrains Mono', 'Courier New', monospace;

    /* ── Layout ─────────────────────────────── */
    --sidebar-w:    285px;
    --topbar-h:     64px;
    --r-sm:         0.5rem;
    --r-md:         0.75rem;
    --r-lg:         1rem;
    --r-xl:         1.25rem;
    --t:            0.2s ease;
}

/* ── RESET ──────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; }

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

.sidebar {
    width: var(--sidebar-w);
    background: #ffffff;
    border-right: 1px solid var(--border);
    position: fixed; top: 0; left: 0; height: 100vh; height: 100dvh;
    display: flex; flex-direction: column;
    z-index: 100;
    transition: transform 0.3s cubic-bezier(.4,0,.2,1);
    overflow: hidden;
    box-shadow: 4px 0 24px rgba(15,23,42,.05);
}

.main-area {
    flex: 1;
    min-width: 0;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.page-content {
    flex: 1;
    padding: 2rem;
    position: relative;
}

/* ══════════════════════════════════════
   SIDEBAR
══════════════════════════════════════ */
/* ── Animación de fondo compartida (sidebar-brand + login overlay) ── */
@property --sb-x1 { syntax: '<percentage>'; inherits: false; initial-value: 20%; }
@property --sb-y1 { syntax: '<percentage>'; inherits: false; initial-value: 80%; }
@property --sb-x2 { syntax: '<percentage>'; inherits: false; initial-value: 80%; }
@property --sb-y2 { syntax: '<percentage>'; inherits: false; initial-value: 20%; }

@keyframes sige-brand-anim {
    25% { --sb-x1: 15%; --sb-y1: 15%; --sb-x2: 85%; --sb-y2: 80%; }
    50% { --sb-x1: 80%; --sb-y1: 15%; --sb-x2: 15%; --sb-y2: 85%; }
}

.sidebar-brand,
.animacion {
    background:
        radial-gradient(100% 100% at var(--sb-x1) var(--sb-y1), #E0198A -13%, transparent),
        radial-gradient(100% 100% at var(--sb-x2) var(--sb-y2), #F5A623 0%,  transparent),
        #1b253b;
    animation: sige-brand-anim 12s ease-in-out infinite;
}

.sidebar-brand {
    padding: 1.125rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,.12);
    display: flex; align-items: center; gap: 0.75rem;
    flex-shrink: 0;
}
.brand-hex {
    width: 40px; height: 40px;
    background: rgba(255,255,255,.2);
    border-radius: 10px;
    display: grid; place-items: center;
    flex-shrink: 0;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.25);
    clip-path: none;
}
.brand-hex span {
    font-weight: 800; font-size: 13px;
    color: #fff; letter-spacing: -.5px;
    font-family: var(--font-heading);
}
.brand-text strong {
    display: block; font-size: 15px; font-weight: 700;
    color: #fff; letter-spacing: .01em;
    font-family: var(--font-heading);
}
.brand-text small {
    font-size: 11px; color: rgba(255,255,255,.65);
    letter-spacing: .03em; line-height: 1.4;
}

.sidebar-user {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 0.75rem;
    flex-shrink: 0;
    background: var(--surface);
}
.user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    border-radius: 50%;
    display: grid; place-items: center;
    font-size: 13px; font-weight: 700; color: #fff;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(37,99,235,.35);
}
.user-info { overflow: hidden; min-width: 0; }
.user-name {
    font-size: 13px; font-weight: 600; color: var(--text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.user-role {
    font-size: 10.5px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: .07em;
    margin-top: 1px;
}

.sidebar-nav {
    flex: 1; overflow-y: auto;
    padding: 0.625rem 0.625rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(0,0,0,.08) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,.08); border-radius: 4px;
}

/* ── Nav Groups (menú colapsable) ──────────────────── */
.nav-group { margin-bottom: 1px; }

.nav-section-toggle {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; background: none; border: none;
    padding: 0.875rem 0.75rem 0.3rem;
    font-size: 10px; color: var(--text-dim);
    letter-spacing: .14em; text-transform: uppercase; font-weight: 700;
    cursor: pointer; text-align: left;
    border-radius: var(--r-sm);
    transition: color 0.2s;
    font-family: var(--font-sans);
}
.nav-section-toggle:hover { color: var(--text); }

.nav-chevron {
    flex-shrink: 0;
    opacity: 0.55;
    transition: transform 0.25s cubic-bezier(.4,0,.2,1);
}
.nav-section-toggle.open .nav-chevron { transform: rotate(180deg); }

.nav-group-items {
    overflow: hidden;
    max-height: 400px;
}
.nav-group-items.collapsed { max-height: 0; }
.nav-group-items.animating  {
    transition: max-height 0.3s cubic-bezier(.4,0,.2,1);
}

/* ── Logout button ─────────────────────────────────── */
.nav-logout {
    display: flex; align-items: center; gap: 0.625rem;
    width: 100%;
    padding: 0.5625rem 0.875rem;
    font-size: 13.5px; font-weight: 600;
    color: #fff;
    background: var(--red);
    border: none;
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(.4,0,.2,1);
    text-decoration: none;
    letter-spacing: .01em;
}
.nav-logout:hover {
    background: #b91c1c;
    transform: translateX(2px);
    color: #fff;
}

/* ── Legacy nav-item2 (backward compat) ────────────── */
.nav-item2 {
    transition: all 0.25s cubic-bezier(.4,0,.2,1);
    border-radius: var(--r-sm);
}
.nav-item2:hover { transform: translateX(3px); }

.nav-item {
    display: flex; align-items: center; gap: 0.625rem;
    padding: 0.5625rem 0.875rem;
    font-size: 13.5px; font-weight: 500; color: var(--text-dim);
    transition: all 0.25s cubic-bezier(.4,0,.2,1);
    border-radius: var(--r-sm);
    margin-bottom: 1px;
    cursor: pointer;
}
.nav-item:hover {
    color: var(--text);
    background: var(--surface);
    transform: translateX(3px);
}
.nav-item.active {
    color: var(--lime);
    background: var(--lime-bg);
    font-weight: 600;
}
.nav-icon {
    font-size: 15px; flex-shrink: 0;
    width: 20px; text-align: center; line-height: 1;
}

.sidebar-footer {
    padding: 0.75rem 0.625rem;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.sidebar-footer a {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 13px; color: var(--text-muted);
    transition: all var(--t);
    padding: 0.5rem 0.875rem;
    border-radius: var(--r-sm);
    font-weight: 500;
}
.sidebar-footer a:hover {
    color: var(--red);
    background: var(--red-bg);
}
.sidebar-footer .nav-logout,
.sidebar-footer .nav-logout:hover { color: #fff; }

.sidebar-backdrop {
    display: none; position: fixed; inset: 0;
    background: rgba(15,23,42,.45);
    backdrop-filter: blur(4px);
    z-index: 99;
}
.sidebar-backdrop.active { display: block; }

/* ══════════════════════════════════════
   TOPBAR
══════════════════════════════════════ */
.topbar {
    height: var(--topbar-h);
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(15,23,42,.05);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.75rem;
    position: sticky; top: 0; z-index: 50;
    flex-shrink: 0;
}
.topbar-title {
    font-size: 1rem; font-weight: 700;
    color: var(--text); letter-spacing: -.01em;
    font-family: var(--font-heading);
}
.topbar-right { display: flex; align-items: center; gap: 1rem; }

.periodo-badge {
    font-size: 11px; color: var(--lime);
    background: var(--lime-bg);
    border: 1px solid var(--blue-border);
    padding: 0.3rem 0.875rem;
    border-radius: 100px;
    letter-spacing: .04em;
    font-weight: 600;
}

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.4rem 0.625rem;
    border-radius: var(--r-sm);
    font-size: 1rem;
    transition: all var(--t);
    line-height: 1;
}
.menu-toggle:hover { border-color: var(--lime); color: var(--lime); }

/* ══════════════════════════════════════
   CARDS
══════════════════════════════════════ */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(15,23,42,.06), 0 4px 16px rgba(15,23,42,.04);
    transition: box-shadow 0.3s ease;
}
.card:hover {
    box-shadow: 0 4px 12px rgba(15,23,42,.08), 0 8px 32px rgba(15,23,42,.06);
}
.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
    background: var(--surface);
}
.card-title {
    font-size: 12px; font-weight: 700;
    letter-spacing: .08em; text-transform: uppercase;
    color: var(--text-dim);
    font-family: var(--font-heading);
}
.card-body    { padding: 1.25rem; }
.card-body-sm { padding: 0.875rem 1.25rem; }

/* ── Stat Grid ──────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--card);
    padding: 1.375rem 1.25rem;
    display: flex; flex-direction: column; gap: 0.5rem;
    transition: all 0.3s cubic-bezier(.4,0,.2,1);
    border-radius: var(--r-lg);
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(15,23,42,.05);
    container-type: inline-size;
    min-width: 0;
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(15,23,42,.10);
}
a.stat-card { text-decoration: none; color: inherit; cursor: pointer; }
.stat-label {
    font-size: 11px; color: var(--text-muted);
    letter-spacing: .1em; text-transform: uppercase;
    font-weight: 600;
}
.stat-value {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 12cqi, 1.875rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.02em; line-height: 1.1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.stat-value.lime  { color: var(--lime); }
.stat-value.red   { color: var(--red); }
.stat-value.amber { color: var(--amber); }
.stat-value.blue  { color: var(--blue); }
.stat-value.green { color: var(--green); }
.stat-sub { font-size: 11.5px; color: var(--text-muted); }

/* ══════════════════════════════════════
   TABLA
══════════════════════════════════════ */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; overflow-y: visible !important; padding-bottom: 120px; }
table { width: 100%; border-collapse: collapse; }
thead th {
    font-size: 11px; color: var(--text-muted);
    letter-spacing: .09em; text-transform: uppercase;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    text-align: left; font-weight: 700; white-space: nowrap;
    background: var(--surface);
    font-family: var(--font-heading);
}
tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background var(--t);
}
tbody tr:hover { background: #f8fafc; }
tbody tr:last-child { border-bottom: none; }
tbody td {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem; color: var(--text);
    vertical-align: middle;
}
.td-mono { font-family: var(--font-mono); font-size: 13px; color: var(--text-dim); }
.td-sm   { font-size: 13px; }
.td-actions { display: flex; gap: 0.375rem; justify-content: flex-end; }

/* ══════════════════════════════════════
   BADGES
══════════════════════════════════════ */
.badge {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.25em 0.75em;
    border-radius: 100px;
    font-size: 11px; font-weight: 600;
    letter-spacing: .05em; text-transform: uppercase;
    border: 1px solid;
}
.badge-lime  { background: var(--lime-bg);  border-color: var(--blue-border);  color: var(--lime); }
.badge-red   { background: var(--red-bg);   border-color: var(--red-border);   color: var(--red); }
.badge-amber { background: var(--amber-bg); border-color: var(--amber-border); color: var(--amber); }
.badge-blue  { background: var(--blue-bg);  border-color: var(--blue-border);  color: var(--blue); }
.badge-gray  { background: rgba(0,0,0,.04); border-color: var(--border-hi);    color: var(--text-dim); }
.badge-green { background: var(--green-bg); border-color: var(--green-border); color: var(--green); }

/* ══════════════════════════════════════
   BOTONES
══════════════════════════════════════ */
.btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--r-sm);
    font-family: var(--font-sans); font-size: 0.875rem;
    font-weight: 600; letter-spacing: .01em;
    cursor: pointer; border: 1px solid;
    transition: all 0.2s cubic-bezier(.4,0,.2,1);
    white-space: nowrap; text-decoration: none;
    line-height: 1.5;
}
.btn-sm   { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-xs   { padding: 0.25rem 0.6rem;   font-size: 0.75rem; }
.btn-icon { padding: 0.5rem 0.625rem; }
.btn-icon.btn-sm { padding: 0.375rem 0.5rem; }

.btn-primary {
    background: var(--lime); border-color: var(--lime);
    color: #fff; font-weight: 600;
    box-shadow: 0 2px 8px rgba(37,99,235,.3);
}
.btn-primary:hover {
    background: var(--lime-dim); border-color: var(--lime-dim);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37,99,235,.4);
}

.btn-secondary {
    background: transparent; border-color: var(--border-hi);
    color: var(--text-dim);
}
.btn-secondary:hover {
    border-color: var(--lime); color: var(--lime);
    background: var(--lime-bg);
}

.btn-danger  { background: var(--red-bg);   border-color: var(--red-border);   color: var(--red); }
.btn-danger:hover  { background: rgba(220,38,38,.15); border-color: var(--red); }

.btn-amber   { background: var(--amber-bg); border-color: var(--amber-border); color: var(--amber); }
.btn-amber:hover   { background: rgba(217,119,6,.15); border-color: var(--amber); }

.btn-blue    { background: var(--blue-bg);  border-color: var(--blue-border);  color: var(--blue); }
.btn-blue:hover    { background: rgba(37,99,235,.15); }

.btn-green   { background: var(--green-bg); border-color: var(--green-border); color: var(--green); }
.btn-green:hover   { background: rgba(22,163,74,.15); border-color: var(--green); }

.btn-ghost {
    background: transparent; border-color: transparent;
    color: var(--text-muted); padding: 0.375rem 0.5rem;
}
.btn-ghost:hover { color: var(--text); background: var(--surface); }

.btn:disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }
.btn:active:not(:disabled) { transform: scale(0.98); }

/* ══════════════════════════════════════
   FORMULARIOS
══════════════════════════════════════ */
.form-grid   { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1.125rem; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.125rem; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.125rem; }
.form-full   { grid-column: 1/-1; }
.form-group  { display: flex; flex-direction: column; gap: 0.375rem; }

.form-label {
    font-size: 0.875rem; font-weight: 600;
    color: var(--text-dim); letter-spacing: .005em;
}
.form-label.required::after { content: ' *'; color: var(--lime); }

.form-control {
    background: #ffffff; border: 1.5px solid var(--border);
    color: var(--text);
    padding: 0.5625rem 0.875rem;
    border-radius: var(--r-sm); font-size: 0.9375rem;
    transition: border-color var(--t), box-shadow var(--t);
    width: 100%; outline: none;
    -webkit-appearance: none; line-height: 1.5;
}
.form-control:focus {
    border-color: var(--lime);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:disabled {
    opacity: .55; cursor: not-allowed;
    background: var(--surface);
}
select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}
textarea.form-control { resize: vertical; min-height: 90px; }
.form-control-mono { font-family: var(--font-mono); font-size: 0.875rem; }

.form-hint  { font-size: 0.8125rem; color: var(--text-muted); }
.form-error { font-size: 0.8125rem; color: var(--red); }
.form-control.error { border-color: var(--red-border); }

/* ══════════════════════════════════════
   ALERTAS
══════════════════════════════════════ */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--r-md); border: 1px solid;
    font-size: 0.9375rem;
    display: flex; align-items: flex-start; gap: 0.625rem;
    margin-bottom: 1.125rem;
}
.alert-icon    { flex-shrink: 0; font-size: 1rem; margin-top: 1px; }
.alert-success { background: var(--green-bg); border-color: var(--green-border); color: var(--green); }
.alert-error   { background: var(--red-bg);   border-color: var(--red-border);   color: var(--red); }
.alert-warning { background: var(--amber-bg); border-color: var(--amber-border); color: var(--amber); }
.alert-info    { background: var(--blue-bg);  border-color: var(--blue-border);  color: var(--blue); }

/* ══════════════════════════════════════
   MODAL
══════════════════════════════════════ */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(15,23,42,.45);
    backdrop-filter: blur(6px);
    z-index: 200; display: none;
    align-items: center; justify-content: center;
    padding: 1.5rem;
}
.modal-overlay.active { display: flex; }
.modal {
    background: var(--card);
    border: 1px solid var(--border-hi);
    border-radius: var(--r-xl);
    width: 100%; max-width: 580px; max-height: 88vh;
    overflow-y: auto;
    animation: modalIn .22s cubic-bezier(.4,0,.2,1);
    box-shadow: 0 20px 60px rgba(15,23,42,.15), 0 4px 16px rgba(15,23,42,.08);
}

.modal {
    display: grid !important;
}


.modal-lg { max-width: 820px; }
@keyframes modalIn {
    from { opacity: 0; transform: scale(.96) translateY(14px); }
    to   { opacity: 1; transform: scale(1)   translateY(0); }
}
.modal-header {
    padding: 1.125rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-title {
    font-size: 1rem; font-weight: 700;
    color: var(--text); font-family: var(--font-heading);
}
.modal-close {
    background: none; border: none; color: var(--text-muted);
    cursor: pointer; font-size: 1.25rem; line-height: 1;
    padding: 4px 6px; transition: all var(--t);
    border-radius: var(--r-sm);
}
.modal-close:hover { color: var(--red); background: var(--red-bg); }
.modal-body    { padding: 1.25rem; }
.modal-footer  {
    padding: 0.875rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex; gap: 0.5rem; justify-content: flex-end;
}

/* ══════════════════════════════════════
   PAGE HEADER
══════════════════════════════════════ */
.page-header {
    display: flex; align-items: flex-start;
    justify-content: space-between;
    gap: 1rem; margin-bottom: 1.5rem;
}
.page-title {
    font-size: 1.5rem; font-weight: 700;
    color: var(--text); letter-spacing: -.025em;
    line-height: 1.2; font-family: var(--font-heading);
}
.page-sub {
    font-size: 0.8125rem; color: var(--text-muted);
    margin-top: 0.25rem; letter-spacing: .03em;
}
.page-actions { display: flex; gap: 0.5rem; align-items: center; flex-shrink: 0; }

/* ══════════════════════════════════════
   BÚSQUEDA / AUTOCOMPLETE
══════════════════════════════════════ */
.search-wrap  { position: relative; }
.search-icon  {
    position: absolute; left: 0.75rem; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted); font-size: 0.875rem;
    pointer-events: none;
}
.search-input { padding-left: 2.25rem; }

.autocomplete-drop {
    position: absolute; top: calc(100% + 6px); left: 0; right: 0;
    background: var(--card);
    border: 1px solid var(--border-hi);
    border-radius: var(--r-md);
    max-height: 240px; overflow-y: auto; z-index: 60;
    display: none;
    box-shadow: 0 8px 24px rgba(15,23,42,.12);
}
.autocomplete-drop.open { display: block; }
.autocomplete-item {
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem; cursor: pointer;
    transition: background var(--t);
    border-bottom: 1px solid var(--border);
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover,
.autocomplete-item.focused { background: var(--lime-bg); color: var(--lime); }
.autocomplete-item small {
    font-size: 0.8125rem; color: var(--text-muted);
    display: block; margin-top: 1px;
}

/* ── Filtros ────────────────────────────────────────── */
.filters-bar {
    display: flex; gap: 0.625rem;
    flex-wrap: wrap; margin-bottom: 1.125rem;
    align-items: center;
}

/* ── Empty state ────────────────────────────────────── */
.empty-state       { text-align: center; padding: 3.5rem 1.25rem; color: var(--text-muted); }
.empty-state-icon  { font-size: 2.5rem; margin-bottom: 0.875rem; opacity: .3; }
.empty-state-title { font-size: 0.9375rem; font-weight: 600; color: var(--text-dim); margin-bottom: 0.375rem; }
.empty-state-text  { font-size: 0.875rem; line-height: 1.7; }

/* ══════════════════════════════════════
   POS / VENTAS
══════════════════════════════════════ */
.pos-wrap {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 1.25rem;
    height: calc(100vh - var(--topbar-h) - 4rem);
}
.pos-left { overflow-y: auto; display: flex; flex-direction: column; gap: 1rem; }

.pos-cart {
    display: flex; flex-direction: column;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg); overflow: hidden;
    position: sticky; top: 0;
    max-height: calc(100vh - var(--topbar-h) - 4rem);
    box-shadow: 0 4px 16px rgba(15,23,42,.07);
}
.pos-cart-header {
    padding: 0.875rem 1.125rem;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    flex-shrink: 0;
    background: var(--surface);
}
.pos-cart-title {
    font-size: 11.5px; font-weight: 700;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--text-dim); font-family: var(--font-heading);
}
.pos-cart-body    { flex: 1; overflow-y: auto; }
.pos-cart-footer  {
    padding: 1rem; border-top: 1px solid var(--border);
    background: var(--surface); flex-shrink: 0;
}

.cart-empty {
    padding: 2rem; text-align: center;
    font-size: 0.875rem; color: var(--text-muted);
}
.cart-item {
    display: grid; grid-template-columns: 1fr auto auto; gap: 0.5rem;
    align-items: center; padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-name  { font-size: 0.875rem; font-weight: 600; color: var(--text); line-height: 1.3; }
.cart-item-price { font-size: 0.8125rem; color: var(--text-muted); }
.cart-item-controls { display: flex; align-items: center; gap: 0.375rem; }

.qty-btn {
    width: 28px; height: 28px;
    background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--r-sm);
    color: var(--text-dim); cursor: pointer;
    display: grid; place-items: center; font-size: 1rem;
    transition: all var(--t);
}
.qty-btn:hover {
    border-color: var(--lime); color: var(--lime);
    background: var(--lime-bg);
}
.qty-display {
    font-family: var(--font-mono); font-size: 0.875rem;
    font-weight: 600; color: var(--text);
    width: 2rem; text-align: center;
}
.cart-subtotal  { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--lime); }
.cart-total-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.875rem; }
.cart-total-label { font-size: 0.75rem; color: var(--text-muted2); text-transform: uppercase; letter-spacing: .1em; }
.cart-total-value { font-family: var(--font-mono); font-size: 1.875rem; font-weight: 700; color: var(--lime); letter-spacing: -.02em; }

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}
.product-tile {
    background: var(--card);
    border: 1.5px solid var(--border); border-radius: var(--r-md);
    padding: 1rem 0.875rem; cursor: pointer;
    transition: all 0.25s cubic-bezier(.4,0,.2,1);
    display: flex; flex-direction: column; gap: 0.4rem;
    box-shadow: 0 1px 3px rgba(15,23,42,.04);
}
.product-tile:hover {
    border-color: var(--lime); background: var(--lime-bg);
    box-shadow: 0 4px 16px rgba(37,99,235,.12);
    transform: translateY(-2px);
}
.product-tile-code  { font-family: var(--font-mono); font-size: 10px; color: var(--text-muted); letter-spacing: .1em; text-transform: uppercase; }
.product-tile-name  { font-size: 0.875rem; font-weight: 600; color: var(--text); line-height: 1.35; }
.product-tile-price { font-family: var(--font-mono); font-size: 1.0625rem; font-weight: 700; color: var(--lime); }
.product-tile-stock { font-size: 0.8125rem; color: var(--text-muted); }
.product-tile.sin-precio { opacity: .5; cursor: not-allowed; }
.product-tile.sin-precio:hover { border-color: var(--border); background: var(--card); box-shadow: none; transform: none; }

/* Selector de estudiante */
.student-bar      { background: var(--card); border: 1px solid var(--border); border-radius: var(--r-md); padding: 0.875rem 1.125rem; }
.student-selected { display: flex; align-items: center; gap: 0.75rem; }
.student-avatar   {
    width: 40px; height: 40px;
    background: var(--lime-bg); border: 1.5px solid var(--lime);
    border-radius: 50%; display: grid; place-items: center;
    font-size: 1rem; font-weight: 700; color: var(--lime); flex-shrink: 0;
}
.student-info-name { font-size: 0.9375rem; font-weight: 700; color: var(--text); }
.student-info-meta { font-size: 0.8125rem; color: var(--text-muted2); }

/* ══════════════════════════════════════
   UTILIDADES
══════════════════════════════════════ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-end     { justify-content: flex-end; }

.gap-4  { gap: .25rem; }   .gap-6  { gap: .375rem; }
.gap-8  { gap: .5rem; }    .gap-10 { gap: .625rem; }
.gap-12 { gap: .75rem; }   .gap-16 { gap: 1rem; }
.gap-20 { gap: 1.25rem; }  .gap-28 { gap: 1.75rem; }

.mb-8  { margin-bottom: .5rem; }   .mb-12 { margin-bottom: .75rem; }
.mb-16 { margin-bottom: 1rem; }    .mb-20 { margin-bottom: 1.25rem; }
.mb-26 { margin-bottom: 1.625rem; }
.mt-8  { margin-top: .5rem; }      .mt-16 { margin-top: 1rem; }

.text-mono   { font-family: var(--font-mono); }
.text-sm     { font-size: .875rem; }
.text-xs     { font-size: .8125rem; }
.text-muted  { color: var(--text-muted); }
.text-dim    { color: var(--text-dim); }
.text-lime   { color: var(--lime); }
.text-red    { color: var(--red); }
.text-amber  { color: var(--amber); }
.text-green  { color: var(--green); }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.w-full  { width: 100%; }
.fw-bold { font-weight: 700; }
.hr      { border: none; border-top: 1px solid var(--border); margin: 1.125rem 0; }
.overflow-x-auto { overflow-x: auto; }

/* ── Layout grids responsive ─────────────────────────────── */
.grid-detail { display: grid; grid-template-columns: 1fr 300px; gap: 20px; }
.grid-halves { display: grid; grid-template-columns: 1fr 1fr;   gap: 20px; }

/* ══════════════════════════════════════
   ANIMACIONES
══════════════════════════════════════ */
.fade-in { animation: fadeIn .4s cubic-bezier(.4,0,.2,1) both; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
/* page-content usa solo opacity para no crear stacking context
   que rompe position:fixed de los modal-overlay */
.page-content.fade-in {
    animation: pageContentIn .35s cubic-bezier(.4,0,.2,1);
}
@keyframes pageContentIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.stagger > *              { animation: fadeIn .4s cubic-bezier(.4,0,.2,1) both; }
.stagger > *:nth-child(1) { animation-delay: .05s; }
.stagger > *:nth-child(2) { animation-delay: .1s; }
.stagger > *:nth-child(3) { animation-delay: .15s; }
.stagger > *:nth-child(4) { animation-delay: .2s; }
.stagger > *:nth-child(5) { animation-delay: .25s; }
.stagger > *:nth-child(n+6) { animation-delay: .3s; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 768px) {
    .grid-detail,
    .grid-halves { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
    .sidebar { transform: translateX(-100%); width: min(85vw, 300px); }
    .sidebar.open { transform: translateX(0); }
    .main-area { margin-left: 0; }
    .menu-toggle { display: block; }
    .page-content { padding: 1.25rem; }
    .pos-wrap { grid-template-columns: 1fr; height: auto; }
    .pos-cart { position: static; max-height: 420px; }
    .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }

    /* Menú más usable en táctil */
    .nav-item {
        padding: 0.75rem 1rem;
        font-size: 14.5px;
        margin-bottom: 2px;
    }
    .nav-section-toggle {
        padding: 1rem 1rem 0.4rem;
        font-size: 10.5px;
    }
    .nav-logout {
        padding: 0.75rem 1rem;
        font-size: 14.5px;
    }
    .sidebar-brand { padding: 1.25rem 1.25rem; }
    .sidebar-user  { padding: 1rem 1.25rem; }
    .user-avatar   { width: 40px; height: 40px; font-size: 15px; }
    .user-name     { font-size: 14px; }
    .user-role     { font-size: 11px; }
}
@media (max-width: 600px) {
    .stat-grid   { grid-template-columns: 1fr 1fr; }
    .page-header { flex-direction: column; }
    .filters-bar { flex-direction: column; align-items: stretch; }
    .td-hide     { display: none; }
}

/* ── Teléfono estándar (≤ 480 px) ─────── */
@media (max-width: 480px) {
    .topbar              { padding: 0 0.75rem; }
    .topbar-title        { font-size: 0.875rem; }
    .periodo-badge       { display: none; }
    .page-content        { padding: 0.75rem; }
    .page-title          { font-size: 1.25rem; }
    .page-header         { margin-bottom: 0.875rem; gap: 0.5rem; }
    .page-actions        { width: 100%; flex-wrap: wrap; }
    .stat-grid           { grid-template-columns: 1fr 1fr; }
    .stat-card           { padding: 1rem; }
    .card-body           { padding: 0.875rem; }
    .card-body-sm        { padding: 0.625rem 0.875rem; }
    .modal-overlay       { padding: 0.625rem; }
    .modal               { max-height: 92vh; border-radius: var(--r-lg); }
    .modal-header        { padding: 0.875rem 1rem; }
    .modal-body          { padding: 0.875rem; }
    .modal-footer        { padding: 0.625rem 0.875rem; }
    .td-actions          { flex-wrap: wrap; gap: 0.25rem; justify-content: flex-start; }
    .filters-bar         { gap: 0.375rem; }
    .filters-bar .form-control,
    .filters-bar .btn    { width: 100%; box-sizing: border-box; }
    .chart-kpi-value     { font-size: 1.75rem; }
    /* Tabla dashboard compacta */
    .table-dash thead th,
    .table-dash tbody td { padding: 0.4rem 0.5rem; font-size: 0.8125rem; }
    .table-dash .td-ie   { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    /* Stock chart altura mínima móvil */
    .chart-body-stock    { min-height: 220px; }
    .pos-cart            { max-height: 360px; }
    .pos-cart-footer     { padding: 0.75rem; }
}

/* ── Teléfono pequeño (≤ 360 px) ──────── */
@media (max-width: 360px) {
    .topbar              { padding: 0 0.5rem; }
    .topbar-title        { font-size: 0.8125rem; max-width: 140px;
                           overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .page-content        { padding: 0.5rem; }
    .stat-grid           { grid-template-columns: 1fr; }
    .modal-overlay       { padding: 0.375rem; }
    .page-header         { margin-bottom: 0.75rem; }
}

/* ══════════════════════════════════════
   IMPRESIÓN
══════════════════════════════════════ */
@media print {
    .sidebar, .topbar, .page-actions, .btn, .menu-toggle { display: none !important; }
    .main-area { margin-left: 0; }
    body { background: #fff; color: #000; }
    .card { border: 1px solid #ccc; background: #fff; box-shadow: none; }
    tbody tr:hover { background: transparent; }
}

/* ═══════════════════════════════════════════════════════════════
   MODO NOCHE — Dark Mode  [data-theme="dark"]
═══════════════════════════════════════════════════════════════ */
html { transition: background-color 0.3s ease, color 0.3s ease; }

html[data-theme="dark"] {
    --bg:           #0d1117;
    --surface:      #161b22;
    --card:         #1c2128;
    --card-hi:      #22272e;
    --border:       #30363d;
    --border-hi:    #3d444d;

    --lime:         #60a5fa;
    --lime-dim:     #3b82f6;
    --lime-bg:      rgba(96,165,250,.12);
    --lime-glow:    rgba(96,165,250,.25);

    --red:          #f87171;
    --red-bg:       rgba(248,113,113,.1);
    --red-border:   rgba(248,113,113,.28);

    --amber:        #fbbf24;
    --amber-bg:     rgba(251,191,36,.1);
    --amber-border: rgba(251,191,36,.28);

    --blue:         #60a5fa;
    --blue-bg:      rgba(96,165,250,.12);
    --blue-border:  rgba(96,165,250,.28);

    --green:        #4ade80;
    --green-bg:     rgba(74,222,128,.1);
    --green-border: rgba(74,222,128,.28);

    --text:         #e6edf3;
    --text-dim:     #8d96a0;
    --text-muted:   #484f58;
}

/* Body */
html[data-theme="dark"] body {
    background: var(--bg);
    color: var(--text);
}

/* Scrollbar */
html[data-theme="dark"] ::-webkit-scrollbar-track  { background: #161b22; }
html[data-theme="dark"] ::-webkit-scrollbar-thumb  { background: #30363d; }
html[data-theme="dark"] ::-webkit-scrollbar-thumb:hover { background: #3d444d; }

/* Sidebar */
html[data-theme="dark"] .sidebar {
    background: #161b22;
    border-right-color: #30363d;
    box-shadow: 4px 0 24px rgba(0,0,0,.4);
}
html[data-theme="dark"] .sidebar-user {
    background: #1c2128;
    border-bottom-color: #30363d;
}
html[data-theme="dark"] .nav-section-toggle { color: #8d96a0; }
html[data-theme="dark"] .nav-section-toggle:hover { color: #e6edf3; }
html[data-theme="dark"] .nav-item      { color: #8d96a0; }
html[data-theme="dark"] .user-role     { color: #ffffff; }
html[data-theme="dark"] .nav-item:hover { color: #e6edf3; background: rgba(255,255,255,.04); }
html[data-theme="dark"] .nav-item.active { color: #60a5fa; background: rgba(96,165,250,.12); }
html[data-theme="dark"] .sidebar-footer { border-top-color: #30363d; }
html[data-theme="dark"] .nav-logout { background: #b91c1c; color: #fff; }
html[data-theme="dark"] .nav-logout:hover { background: #991b1b; color: #fff; }

/* Topbar */
html[data-theme="dark"] .topbar {
    background: #161b22;
    border-bottom-color: #30363d;
    box-shadow: 0 1px 3px rgba(0,0,0,.4);
}
html[data-theme="dark"] .topbar-title { color: #e6edf3; }
html[data-theme="dark"] .periodo-badge {
    background: rgba(96,165,250,.12);
    border-color: rgba(96,165,250,.28);
    color: #60a5fa;
}
html[data-theme="dark"] .menu-toggle {
    border-color: #30363d;
    color: #8d96a0;
}
html[data-theme="dark"] .menu-toggle:hover { border-color: #60a5fa; color: #60a5fa; }

/* Cards */
html[data-theme="dark"] .card {
    background: #1c2128;
    border-color: #30363d;
    box-shadow: 0 1px 3px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.2);
}
html[data-theme="dark"] .card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,.4), 0 8px 32px rgba(0,0,0,.3);
}
html[data-theme="dark"] .card-header {
    background: #22272e;
    border-bottom-color: #30363d;
}
html[data-theme="dark"] .card-title { color: #8d96a0; }

/* Stats */
html[data-theme="dark"] .stat-card {
    background: #1c2128;
    border-color: #30363d;
    box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
html[data-theme="dark"] .stat-card:hover {
    background: #22272e;
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
html[data-theme="dark"] .stat-label { color: #d3d3d3; }
html[data-theme="dark"] .stat-value { color: #e6edf3; }
html[data-theme="dark"] .stat-sub   { color: #d3d3d3; }

html[data-theme="dark"] span  { color: #d3d3d3 !important; }
html[data-theme="dark"] .page-sub  { color: #d3d3d3 !important; }

/* Table */
html[data-theme="dark"] thead th {
    background: #22272e;
    border-bottom-color: #30363d;
    color: #bec1c5;
}
html[data-theme="dark"] tbody tr { border-bottom-color: #30363d; }
html[data-theme="dark"] tbody tr:hover { background: rgba(255,255,255,.025); }
html[data-theme="dark"] tbody td { color: #e6edf3; }
html[data-theme="dark"] .td-mono { color: #8d96a0; }

/* Buttons */
html[data-theme="dark"] .btn-secondary {
    border-color: #30363d;
    color: #8d96a0;
}
html[data-theme="dark"] .btn-secondary:hover {
    border-color: #60a5fa;
    color: #60a5fa;
    background: rgba(96,165,250,.1);
}
html[data-theme="dark"] .btn-ghost { color: #ffffff; }
html[data-theme="dark"] .btn-ghost:hover { color: #e6edf3; background: #22272e; }
html[data-theme="dark"] .btn-primary { box-shadow: 0 2px 8px rgba(96,165,250,.25); }

/* Forms */
html[data-theme="dark"] .form-control {
    background: #0d1117;
    border-color: #30363d;
    color: #e6edf3;
}
html[data-theme="dark"] .form-control:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96,165,250,.15);
    background: #161b22;
}
html[data-theme="dark"] .form-control::placeholder { color: #484f58; }
html[data-theme="dark"] .form-control:disabled { background: #161b22; }
html[data-theme="dark"] .form-label { color: #8d96a0; }
html[data-theme="dark"] .form-hint  { color: #484f58; }

/* Badges en dark mode — más visibles */
html[data-theme="dark"] .badge-lime  { background: rgba(96,165,250,.15);  border-color: rgba(96,165,250,.35);  color: #60a5fa; }
html[data-theme="dark"] .badge-red   { background: rgba(248,113,113,.15); border-color: rgba(248,113,113,.35); color: #f87171; }
html[data-theme="dark"] .badge-amber { background: rgba(251,191,36,.15);  border-color: rgba(251,191,36,.35);  color: #fbbf24; }
html[data-theme="dark"] .badge-blue  { background: rgba(96,165,250,.15);  border-color: rgba(96,165,250,.35);  color: #60a5fa; }
html[data-theme="dark"] .badge-gray  { background: rgba(255,255,255,.06); border-color: #30363d;               color: #8d96a0; }
html[data-theme="dark"] .badge-green { background: rgba(74,222,128,.15);  border-color: rgba(74,222,128,.35);  color: #4ade80; }

/* Alerts */
html[data-theme="dark"] .alert-success { background: rgba(74,222,128,.1);  border-color: rgba(74,222,128,.28);  color: #4ade80; }
html[data-theme="dark"] .alert-error   { background: rgba(248,113,113,.1); border-color: rgba(248,113,113,.28); color: #f87171; }
html[data-theme="dark"] .alert-warning { background: rgba(251,191,36,.1);  border-color: rgba(251,191,36,.28);  color: #fbbf24; }
html[data-theme="dark"] .alert-info    { background: rgba(96,165,250,.1);  border-color: rgba(96,165,250,.28);  color: #60a5fa; }

/* Modal */
html[data-theme="dark"] .modal-overlay { background: rgba(0,0,0,.65); }
html[data-theme="dark"] .modal {
    background: #1c2128;
    border-color: #30363d;
    box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
html[data-theme="dark"] .modal-header { border-bottom-color: #30363d; }
html[data-theme="dark"] .modal-title  { color: #e6edf3; }
html[data-theme="dark"] .modal-footer { border-top-color: #30363d; }

/* Autocomplete */
html[data-theme="dark"] .autocomplete-drop {
    background: #1c2128;
    border-color: #30363d;
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
html[data-theme="dark"] .autocomplete-item { border-bottom-color: #30363d; color: #e6edf3; }
html[data-theme="dark"] .autocomplete-item:hover { background: rgba(96,165,250,.1); color: #60a5fa; }

/* POS / Carrito */
html[data-theme="dark"] .pos-cart        { background: #1c2128; border-color: #30363d; }
html[data-theme="dark"] .pos-cart-header,
html[data-theme="dark"] .pos-cart-footer { background: #22272e; border-color: #30363d; }
html[data-theme="dark"] .cart-item       { border-bottom-color: #30363d; }
html[data-theme="dark"] .cart-item-name  { color: #e6edf3; }
html[data-theme="dark"] .qty-btn { background: #22272e; border-color: #30363d; color: #8d96a0; }
html[data-theme="dark"] .qty-btn:hover   { border-color: #60a5fa; color: #60a5fa; background: rgba(96,165,250,.1); }

/* Product tiles */
html[data-theme="dark"] .product-tile {
    background: #1c2128;
    border-color: #30363d;
}
html[data-theme="dark"] .product-tile:hover {
    border-color: #60a5fa;
    background: rgba(96,165,250,.08);
    box-shadow: 0 4px 16px rgba(96,165,250,.15);
}
html[data-theme="dark"] .product-tile-name  { color: #e6edf3; }
html[data-theme="dark"] .product-tile-price { color: #60a5fa; }

/* Student */
html[data-theme="dark"] .student-bar { background: #1c2128; border-color: #30363d; }
html[data-theme="dark"] .student-avatar { background: rgba(96,165,250,.12); border-color: #60a5fa; color: #60a5fa; }

/* Sidebar backdrop */
html[data-theme="dark"] .sidebar-backdrop { background: rgba(0,0,0,.6); }

/* Misc */
html[data-theme="dark"] .hr { border-top-color: #30363d; }
html[data-theme="dark"] .text-dim   { color: #8d96a0; }
html[data-theme="dark"] .text-muted { color: #c2c4c7; }
html[data-theme="dark"] .text-lime  { color: #60a5fa; }
html[data-theme="dark"] .text-green { color: #4ade80; }
html[data-theme="dark"] .text-red   { color: #f87171; }
html[data-theme="dark"] .text-amber { color: #fbbf24; }

/* ══════════════════════════════════════
   BOTÓN TOGGLE DARK MODE
══════════════════════════════════════ */
.theme-toggle {
    width: 36px; height: 36px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all 0.25s ease;
    color: var(--text-dim); flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--lime); color: var(--lime); background: var(--lime-bg); }

/* Ícono a mostrar según tema */
.icon-light { display: block; }   /* Sol: muestra en modo claro → "ir a oscuro" */
.icon-dark  { display: none; }    /* Luna: muestra en modo oscuro → "ir a claro" */
html[data-theme="dark"] .icon-light { display: none; }
html[data-theme="dark"] .icon-dark  { display: block; }

/* ══════════════════════════════════════
   GRÁFICAS — CHARTS
══════════════════════════════════════ */
.chart-row {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.chart-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.chart-body {
    padding: 1.25rem;
    position: relative;
}
.chart-body-stock {
    min-height: 180px;
}
.chart-legend {
    display: flex; flex-wrap: wrap; gap: 0.5rem 1rem;
    margin-top: 1rem; justify-content: center;
}
.chart-legend-item {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 12px; color: var(--text-dim); font-weight: 600;
}
.chart-legend-dot {
    width: 10px; height: 10px;
    border-radius: 50%; flex-shrink: 0;
}
.chart-kpi {
    text-align: center; padding: 1.5rem 1rem;
}
.chart-kpi-value {
    font-family: var(--font-mono);
    font-size: 2.25rem; font-weight: 800;
    color: var(--lime); line-height: 1;
    letter-spacing: -.03em;
}
.chart-kpi-label {
    font-size: 11px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: .12em;
    font-weight: 700; margin-top: 0.375rem;
}

/* Stat card con ícono */
.stat-icon {
    width: 42px; height: 42px;
    border-radius: var(--r-md);
    display: grid; place-items: center; flex-shrink: 0;
    margin-bottom: 0.25rem;
}
.stat-card-row {
    display: flex; align-items: flex-start;
    justify-content: space-between; gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.stat-card-row > div:first-child {
    min-width: 0;
    flex: 1;
    overflow: hidden;
}

@media (max-width: 960px) {
    .chart-row   { grid-template-columns: 1fr; }
    .chart-row-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .chart-row-3 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .chart-row-3 { grid-template-columns: 1fr; }
    .chart-body  { padding: 0.875rem; }
}

/* ══════════════════════════════════════
   TIPOGRAFÍA REFORZADA
══════════════════════════════════════ */
.fw-800 { font-weight: 800; }
.fw-700 { font-weight: 700; }
.fw-600 { font-weight: 600; }
.text-lg   { font-size: 1.125rem; }
.text-xl   { font-size: 1.25rem; }
.text-2xl  { font-size: 1.5rem; }

.page-title  { font-weight: 800; }
.stat-value  { font-weight: 800; }
.card-title  { font-weight: 800; }

/* ══════════════════════════════════════
   ANIMACIONES MEJORADAS
══════════════════════════════════════ */

/* Slide-in desde izquierda */
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}
.slide-in-left { animation: slideInLeft .4s cubic-bezier(.4,0,.2,1) both; }

/* Slide-in desde derecha */
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}
.slide-in-right { animation: slideInRight .4s cubic-bezier(.4,0,.2,1) both; }

/* Scale-in */
@keyframes scaleIn {
    from { opacity: 0; transform: scale(.92); }
    to   { opacity: 1; transform: scale(1); }
}
.scale-in { animation: scaleIn .35s cubic-bezier(.4,0,.2,1) both; }

/* Pop */
@keyframes pop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.06); }
    100% { transform: scale(1); }
}
.pop { animation: pop .3s ease; }

/* Pulse glow para valores importantes */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 var(--lime-glow); }
    50%       { box-shadow: 0 0 0 6px transparent; }
}
.pulse-glow { animation: pulseGlow 2s ease-in-out infinite; }

/* Ripple en botones */
.btn { position: relative; overflow: hidden; }
.btn .ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: rippleAnim .55s linear;
    background: rgba(255,255,255,.25);
    pointer-events: none;
}
@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}

/* Shimmer loading skeleton */
@keyframes shimmer {
    0%   { background-position: -400px 0; }
    100% { background-position: 400px 0; }
}
.skeleton {
    border-radius: var(--r-sm);
    background: linear-gradient(90deg, var(--surface) 25%, var(--border) 50%, var(--surface) 75%);
    background-size: 400px 100%;
    animation: shimmer 1.4s ease-in-out infinite;
}

/* Número contador — clase para JS */
.counter-val { display: inline-block; }

/* Smooth theme transition en todos los elementos */
*,
.sidebar, .topbar, .card, .stat-card, .form-control,
.btn, .badge, .modal, .nav-item, .product-tile {
    transition-property: background-color, border-color, color, box-shadow;
    transition-duration: 0.25s;
    transition-timing-function: ease;
}

/* ══════════════════════════════════════
   PAGINADOR
══════════════════════════════════════ */
.paginador {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
    padding: 4px 0;
}
.pag-info {
    font-size: 12px;
    color: var(--text-muted);
    margin-right: 6px;
}
.pag-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 30px;
    padding: 0 8px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 500;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: background .15s, border-color .15s, color .15s;
}
.pag-btn:hover {
    background: var(--lime-bg);
    border-color: var(--lime);
    color: var(--lime);
}
.pag-btn.pag-active {
    background: var(--lime);
    border-color: var(--lime);
    color: #fff;
    pointer-events: none;
}
.pag-disabled {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 30px;
    padding: 0 8px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 500;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    opacity: 0.55;
    cursor: default;
    white-space: nowrap;
}
.pag-ellipsis {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 30px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: default;
    user-select: none;
}