/* ===================================================== */
/* --- BARRA LATERAL KOON — REDISEÑO BANCARIO/FUTURISTA --- */
/* ===================================================== */

:root {
    --sidebar-width: 280px;

    --koon-teal: #22c7b0;
    --koon-teal-dim: #1a8f80;
    --koon-navy: #0c516e;
    --koon-navy-deep: #083d54;
    --koon-ink: #0c516e;

    --line: rgba(255, 255, 255, 0.07);
    --line-strong: rgba(255, 255, 255, 0.14);
    --text: #eef4f3;
    --text-dim: rgba(238, 244, 243, 0.52);
    --text-faint: rgba(238, 244, 243, 0.32);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #f5f6f5;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Solo afecta al Layout si el header existe */
@media (min-width: 769px) {
    body {
        margin-left: var(--sidebar-width);
        width: calc(100% - var(--sidebar-width));
    }

    .site-header {
        position: fixed;
        left: 0;
        top: 0;
        width: var(--sidebar-width);
        height: 100dvh;
        z-index: 9999;
        display: flex;
        flex-direction: column;
        background: var(--koon-navy);
        box-shadow: 1px 0 0 var(--line);
        overflow-y: auto;
        overflow-x: hidden;
        font-family: 'Inter', sans-serif;
    }

    .site-header .header-inner {
        display: flex;
        flex-direction: column;
        height: 100%;
        padding: 36px 0 20px 0;
        position: relative;
        z-index: 1;
    }
}

/* --- TEXTURAS DE FONDO --------------------------------- */
/* capa 1: degradado base de profundidad */
.site-header {
    background-image:
        radial-gradient(560px 380px at -8% -6%, rgba(34, 199, 176, 0.16), transparent 60%),
        linear-gradient(190deg, var(--koon-navy) 0%, var(--koon-navy-deep) 62%, var(--koon-ink) 100%);
}

/* capa 2: micro-grid tipo "esquemático bancario" */
.site-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, .12) 45%, transparent 75%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, .12) 45%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

/* capa 3: grano sutil (film grain) para sensación premium, no plano */
.site-header::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.05;
    mix-blend-mode: overlay;
    pointer-events: none;
    z-index: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.site-header * {
    box-sizing: border-box;
}

/* --- LOGO ----------------------------------------------- */
.site-header .logo {
    display: block;
    text-align: left;
    padding: 0 25px 28px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--line);
}

.site-header .logo img {
    height: 130px;
    display: block;
}

/* --- NAVEGACIÓN ------------------------------------------ */
.site-header .main-nav {
    flex-grow: 1;
    padding-top: 10px;
}

.site-header .main-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-header .main-nav a {
    color: var(--text) !important;
    text-decoration: none;
    font-weight: 400;
    font-size: 13.5px;
    letter-spacing: 0.01em;
    padding: 12px 25px;
    display: flex;
    align-items: center;
    position: relative;
    transition: color 0.2s ease, background 0.2s ease;
}

/* firma visual: micro-línea vertical en vez de punto,
   se expande al pasar el cursor — referencia a un indicador
   de estado activo de dashboard bancario */
.site-header .bullet {
    width: 3px;
    height: 3px;
    background: var(--text-faint);
    border-radius: 1px;
    margin-right: 14px;
    display: inline-block;
    transition: height 0.22s ease, background 0.22s ease;
}

.site-header .main-nav a:hover .bullet,
.site-header .dropdown-toggle:hover .bullet {
    height: 14px;
    background: var(--koon-teal);
}

.site-header .main-nav a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--koon-teal);
    transform: scaleY(0);
    transition: transform 0.22s ease;
}

.site-header .main-nav a:hover {
    background: rgba(255, 255, 255, 0.035);
    color: var(--text) !important;
}

.site-header .main-nav a:hover::before {
    transform: scaleY(1);
}

/* --- DROPDOWN --------------------------------------------- */
.site-header .dropdown-menu {
    display: none;
    background: rgba(0, 0, 0, 0.16);
    padding: 2px 0 6px;
}

.site-header .dropdown:hover>.dropdown-menu {
    display: block;
}

.site-header .dropdown-menu li a {
    padding: 9px 25px 9px 49px !important;
    font-size: 12.5px;
    color: var(--text-dim) !important;
}

.site-header .dropdown-menu li a:hover {
    color: var(--text) !important;
}

/* --- SUBMENU ------------------------------------------------ */
.site-header .dropdown-submenu-list {
    display: none;
}

.site-header .dropdown-submenu-list li a::after {
    content: "";
    width: 8px;
    height: 1px;
    background-color: var(--koon-teal);
    margin-right: 10px;
    display: inline-block;
    vertical-align: middle;
    transition: width 0.2s ease;
    order: -1;
}

.site-header .dropdown-submenu-list li a:hover::after {
    width: 13px;
}

.site-header .dropdown-submenu-list li a {
    padding: 8px 25px 8px 65px !important;
    font-size: 11.5px !important;
    color: var(--text-faint) !important;
}

.site-header .dropdown-submenu:hover .dropdown-submenu-list {
    display: block;
}

/* ===================================================== */
/* --- ACCIONES / BOTONES — ESTILO "TARJETA BANCARIA" --- */
/* ===================================================== */

.site-header .header-actions {
    margin-top: auto;
    padding: 20px 20px 16px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.site-header .sidebar-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 13px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    font-size: 12px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
}

/* BOTÓN PRINCIPAL — sólido, sin degradado ni brillo animado */
.site-header .sidebar-cta:not(.secondary) {
    background: var(--koon-teal);
    color: var(--koon-ink) !important;
}

.site-header .sidebar-cta:not(.secondary):hover {
    background: #3ad9c1;
}

.site-header .sidebar-cta:not(.secondary):active {
    background: var(--koon-teal-dim);
}

/* BOTÓN SECUNDARIO — contorno limpio, sin blur */
.site-header .sidebar-cta.secondary {
    background: transparent;
    color: var(--text) !important;
    border: 1px solid var(--line-strong);
}

.site-header .sidebar-cta.secondary:hover {
    border-color: var(--koon-teal);
    color: var(--koon-teal) !important;
}

.site-header .sidebar-cta:active {
    transform: scale(0.98);
}

/* DROPDOWN ARRIBA (login) */
.site-header .sidebar-dropdown-up {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 0;
    width: 100%;
    background: #ffffff;
    border-radius: 10px;
    list-style: none;
    padding: 6px 0;
    margin: 0;
    box-shadow: 0 12px 28px rgba(3, 9, 15, 0.35);

    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    z-index: 10001;
}

.site-header .sidebar-dropdown-action:hover .sidebar-dropdown-up {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.site-header .sidebar-dropdown-up li a {
    display: block;
    padding: 11px 18px;
    color: var(--koon-navy) !important;
    text-decoration: none;
    font-size: 12.5px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    transition: background 0.15s;
    text-align: left;
}

.site-header .sidebar-dropdown-up li a:hover {
    background: #f0f4f3;
    color: var(--koon-teal-dim) !important;
}

/* --- FOOTER ---------------------------------------------- */
.site-header .header-footer-tag {
    font-size: 9.5px;
    text-align: center;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-top: 12px;
    font-weight: 600;
    color: var(--text-faint);
}

/* ---- demo helpers (no forman parte del CSS a copiar) ---- */
.demo-content {
    padding: 48px;
    color: #0a1c2b;
    font-family: Inter, sans-serif;
}

.demo-content h1 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 8px;
}

.demo-content p {
    color: #5a6a68;
    font-size: 14px;
    max-width: 480px;
    line-height: 1.6;
}