/* wwwroot/css/itx-layout.css — Sistema de layout completo Intelogix */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600&display=swap');

/* ============================================================
   CSS VARIABLES — sobreescribibles por acento dinámico
   ============================================================ */
:root {
    --accent:          #5DCAA5;
    --sb-bg:           #07080f;
    --sb-border:       #1a1f35;
    --text:            #e8eaf0;
    --text-dim:        #6b7280;
    --item-hover:      rgba(93,202,165,0.07);
    --sb-w:            230px;
    --sb-w-col:        56px;
    --topbar-h:        48px;
    --navbar-h:        52px;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    height: 100%;
    background: #04060f;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text);
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }

/* ============================================================
   APP SHELL
   ============================================================ */
.app-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}
.app-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}
.app-body-column {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

/* ============================================================
   SHARED TOPBAR ELEMENTS
   ============================================================ */
.itx-topbar, .itx-topnav {
    height: var(--topbar-h);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    background: rgba(7,8,15,0.97);
    border-bottom: 1px solid var(--sb-border);
    z-index: 100;
}
.itx-topnav {
    height: var(--navbar-h);
    gap: 0;
}

/* Logo */
.topbar-logo {
    display: flex; align-items: center; gap: 8px;
    flex-shrink: 0;
}
.logo-mark {
    width: 22px; height: 22px;
    border: 1.5px solid var(--accent);
    border-radius: 5px;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.logo-mark::before {
    content: ''; width: 8px; height: 8px;
    background: var(--accent); border-radius: 2px;
}
.logo-text {
    font-size: 13px; font-weight: 600;
    color: var(--text); letter-spacing: 0.08em;
}
.logo-text span { color: var(--accent); }

/* Right zone */
.topbar-right {
    margin-left: auto;
    display: flex; align-items: center; gap: 10px;
}
.t-dot {
    width: 7px; height: 7px;
    border-radius: 50%; background: var(--accent);
    position: relative;
}
.t-dot::after {
    content: ''; position: absolute; inset: -3px;
    border-radius: 50%; border: 1px solid var(--accent);
    opacity: 0.4; animation: pulse 2s infinite;
}
@keyframes pulse {
    0%,100% { transform: scale(1); opacity: 0.4; }
    50%      { transform: scale(1.5); opacity: 0; }
}
.online-label { font-size: 11px; color: var(--accent); letter-spacing: 0.04em; }
.notif-btn {
    width: 28px; height: 28px; border-radius: 7px;
    border: 1px solid var(--sb-border); background: transparent;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; position: relative;
    transition: border-color 0.2s;
}
.notif-btn:hover { border-color: var(--accent); }
.notif-dot {
    position: absolute; top: 5px; right: 5px;
    width: 5px; height: 5px; border-radius: 50%; background: #E24B4A;
}
.notif-icon { width: 14px; height: 14px; stroke: var(--text-dim); }
.user-badge {
    font-size: 10px; padding: 3px 10px; border-radius: 20px;
    background: rgba(93,202,165,0.1); color: var(--accent);
    border: 1px solid rgba(93,202,165,0.2);
    letter-spacing: 0.04em; cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.user-badge:hover { background: rgba(93,202,165,0.18); }

/* Hamburger */
.hamburger {
    width: 32px; height: 32px;
    border: 1px solid var(--sb-border); border-radius: 7px;
    background: transparent; cursor: pointer;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 4px;
    flex-shrink: 0; padding: 0;
    transition: border-color 0.2s, background 0.2s;
}
.hamburger:hover { border-color: var(--accent); background: rgba(93,202,165,0.08); }
.hline {
    width: 14px; height: 1.5px;
    background: var(--text-dim); border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s, background 0.2s;
    transform-origin: center; display: block;
}
/* X state cuando sidebar abierto en modo sidebar-only */
.app-shell.mode-sidebar.sb-open .hamburger .hline:nth-child(1),
.app-shell.mode-both.sb-open .hamburger .hline:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg); background: var(--accent);
}
.app-shell.mode-sidebar.sb-open .hamburger .hline:nth-child(2),
.app-shell.mode-both.sb-open .hamburger .hline:nth-child(2) {
    opacity: 0; transform: scaleX(0);
}
.app-shell.mode-sidebar.sb-open .hamburger .hline:nth-child(3),
.app-shell.mode-both.sb-open .hamburger .hline:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg); background: var(--accent);
}

/* ============================================================
   TOPNAV — Horizontal navbar (mode-navbar, mode-both)
   ============================================================ */
.topnav-items {
    display: flex; align-items: center;
    height: 100%; flex: 1; gap: 2px;
    margin-left: 24px;
}

.tn-item { position: relative; height: 100%; display: flex; align-items: center; }

.tn-link {
    display: flex; align-items: center; gap: 5px;
    padding: 0 14px; height: 100%;
    font-size: 12px; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--text-dim); cursor: pointer; white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    user-select: none;
}
.tn-link:hover, .tn-active .tn-link {
    color: var(--text); border-bottom-color: var(--accent);
}

.tn-arr {
    width: 10px; height: 10px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.25s;
}
.tn-item:hover .tn-arr { transform: rotate(225deg) translateY(-2px); }

/* Dropdown */
.tn-dropdown {
    position: absolute; top: calc(100% + 1px); left: 0;
    min-width: 260px;
    background: #0b0d18;
    border: 1px solid var(--sb-border);
    border-top: 1px solid var(--accent);
    border-radius: 0 0 10px 10px;
    padding: 14px;
    opacity: 0; visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.25s, visibility 0s 0.25s;
    pointer-events: none; z-index: 200;
}
.tn-item:hover .tn-dropdown {
    opacity: 1; visibility: visible; transform: translateY(0);
    transition: opacity 0.2s, transform 0.25s; pointer-events: all;
}
.tn-drop-header {
    font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
    color: var(--text-dim); text-transform: uppercase;
    margin-bottom: 10px; padding-bottom: 8px;
    border-bottom: 1px solid var(--sb-border);
}
.tn-drop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.tn-drop-footer {
    margin-top: 10px; padding-top: 8px;
    border-top: 1px solid var(--sb-border);
}
.tn-badge {
    font-size: 10px; padding: 3px 8px; border-radius: 20px;
    background: rgba(93,202,165,0.1); color: var(--accent);
    border: 1px solid rgba(93,202,165,0.2);
}
.tn-mega { min-width: 460px; }
.tn-mega-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tn-mega-title {
    font-size: 10px; letter-spacing: 0.1em;
    color: var(--accent); text-transform: uppercase;
    font-weight: 600; margin-bottom: 8px;
}

/* DropItem */
.tn-drop-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 10px; border-radius: 6px; cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s;
    position: relative; overflow: hidden;
}
.tn-drop-item::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0;
    width: 2px; background: var(--accent);
    transform: scaleY(0); transform-origin: bottom;
    transition: transform 0.2s;
}
.tn-drop-item:hover { background: rgba(93,202,165,0.06); border-color: var(--sb-border); }
.tn-drop-item:hover::before { transform: scaleY(1); }
.tn-di-icon {
    width: 28px; height: 28px; border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; flex-shrink: 0;
}
.tn-di-title { font-size: 12px; font-weight: 500; color: var(--text); }
.tn-di-sub   { font-size: 10px; color: var(--text-dim); margin-top: 1px; }

/* ============================================================
   SIDEBAR
   ============================================================ */
.itx-sidebar {
    width: var(--sb-w-col);
    flex-shrink: 0;
    background: var(--sb-bg);
    border-right: 1px solid var(--sb-border);
    display: flex; flex-direction: column;
    overflow: hidden;
    transition: width 0.32s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative; z-index: 50;
}
.itx-sidebar::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.5;
}
.itx-sidebar.sb-open { width: var(--sb-w); }

.sb-section-label {
    font-size: 9px; font-weight: 600; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--text-dim);
    padding: 14px 18px 5px; white-space: nowrap; overflow: hidden;
    opacity: 0; transition: opacity 0.2s; display: block;
    pointer-events: none;
}
.sb-open .sb-section-label { opacity: 1; pointer-events: auto; }
.sb-divider { height: 1px; background: var(--sb-border); margin: 8px 0; opacity: 0.6; }
.sb-nav {
    flex: 1; overflow-y: auto; overflow-x: hidden;
    scrollbar-width: thin; scrollbar-color: var(--sb-border) transparent;
}
.sb-nav::-webkit-scrollbar { width: 3px; }
.sb-nav::-webkit-scrollbar-thumb { background: var(--sb-border); border-radius: 2px; }

/* Nav items */
.nav-item { position: relative; }
.nav-link {
    display: flex; align-items: center;
    padding: 0 14px; height: 40px;
    cursor: pointer; position: relative; overflow: hidden;
    transition: background 0.15s; white-space: nowrap;
    color: inherit;
}
.nav-link::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0;
    width: 2px; background: var(--accent);
    transform: scaleY(0); transform-origin: center; transition: transform 0.2s;
}
.nav-item.active .nav-link::before, .nav-link:hover::before { transform: scaleY(1); }
.nav-item.active .nav-link, .nav-link:hover { background: rgba(93,202,165,0.08); }

.ni-icon {
    width: 28px; height: 28px; border-radius: 7px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    margin-right: 0;
    transition: background 0.2s, margin-right 0.32s;
}
.sb-open .ni-icon { margin-right: 10px; }
.nav-item.active .ni-icon, .nav-link:hover .ni-icon { background: rgba(93,202,165,0.12); }

.ni-label {
    font-size: 12px; font-weight: 500; letter-spacing: 0.04em;
    color: var(--text-dim); flex: 1; overflow: hidden;
    max-width: 0; opacity: 0;
    transition: color 0.15s, opacity 0.25s, max-width 0.32s;
}
.sb-open .ni-label { max-width: 140px; opacity: 1; }
.nav-item.active .ni-label, .nav-link:hover .ni-label { color: var(--text); }

.ni-badge {
    font-size: 9px; font-weight: 600; padding: 1px 5px; border-radius: 10px;
    background: rgba(93,202,165,0.15); color: var(--accent);
    border: 1px solid rgba(93,202,165,0.2);
    flex-shrink: 0; margin-left: 4px;
    opacity: 0; transition: opacity 0.25s;
}
.sb-open .ni-badge { opacity: 1; }
.ni-badge.badge-red { background: rgba(242,75,74,0.15); color: #F09595; border-color: rgba(242,75,74,0.2); }

.ni-arr {
    width: 10px; height: 10px; flex-shrink: 0;
    border-right: 1.5px solid var(--text-dim);
    border-bottom: 1.5px solid var(--text-dim);
    transform: rotate(45deg); transition: transform 0.25s, opacity 0.25s;
    margin-left: 4px; opacity: 0;
}
.sb-open .ni-arr { opacity: 1; }
.nav-item.expanded .ni-arr { transform: rotate(225deg); }

.ni-tooltip {
    position: absolute; left: calc(var(--sb-w-col) + 8px); top: 50%;
    transform: translateY(-50%);
    background: #0d0f1e; border: 1px solid var(--sb-border);
    border-left: 2px solid var(--accent); border-radius: 0 7px 7px 0;
    padding: 5px 10px; font-size: 11px; color: var(--text);
    white-space: nowrap; pointer-events: none;
    opacity: 0; transition: opacity 0.15s; z-index: 200;
}
.itx-sidebar:not(.sb-open):not(:hover) .nav-link:hover .ni-tooltip { opacity: 1; }

/* Submenu */
.submenu {
    overflow: hidden; max-height: 0;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(0,0,0,0.25);
}
.nav-item.expanded .submenu { max-height: 320px; }
.itx-sidebar:not(.sb-open) .submenu { max-height: 0 !important; }

/* ── HOVER-TO-EXPAND (pure CSS, sin eventos Blazor) ───────────────────
   El sidebar se expande al pasar el ratón y se contrae al salir.
   El botón hamburger sigue funcionando para "fijar" el sidebar abierto. */
.itx-sidebar:hover                                     { width: var(--sb-w); }
.itx-sidebar:hover .sb-section-label                   { opacity: 1; pointer-events: auto; }
.itx-sidebar:hover .ni-icon                            { margin-right: 10px; }
.itx-sidebar:hover .ni-label                           { max-width: 140px; opacity: 1; }
.itx-sidebar:hover .ni-badge                           { opacity: 1; }
.itx-sidebar:hover .ni-arr                             { opacity: 1; }
.itx-sidebar:hover .user-info                          { max-width: 120px; opacity: 1; }
/* Submenús disponibles cuando el sidebar está expandido por hover */
.itx-sidebar:not(.sb-open):hover .nav-item.expanded .submenu { max-height: 320px !important; }

.sub-link {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 14px 8px 52px;
    cursor: pointer; position: relative;
    transition: background 0.15s; color: inherit;
}
.sub-link::before {
    content: ''; position: absolute; left: 28px; top: 0; bottom: 0;
    width: 1px; background: var(--sb-border);
}
.sub-link:hover { background: rgba(93,202,165,0.05); }
.sub-dot {
    width: 4px; height: 4px; border-radius: 50%;
    background: var(--text-dim); flex-shrink: 0;
    transition: background 0.15s, transform 0.15s;
}
.sub-link:hover .sub-dot { background: var(--accent); transform: scale(1.5); }
.sub-text { font-size: 11px; color: var(--text-dim); transition: color 0.15s; }
.sub-link:hover .sub-text { color: var(--text); }
.sub-tag {
    margin-left: auto; font-size: 9px; padding: 1px 5px; border-radius: 8px;
    background: rgba(93,202,165,0.1); color: #5DCAA5;
    border: 1px solid rgba(93,202,165,0.15);
}
.sub-tag.tag-red {
    background: rgba(242,75,74,0.1); color: #F09595;
    border-color: rgba(242,75,74,0.15);
}

/* User footer */
.sb-user {
    margin-top: auto; border-top: 1px solid var(--sb-border);
    padding: 10px 14px; display: flex; align-items: center; gap: 10px;
    cursor: pointer; transition: background 0.15s;
    overflow: hidden; white-space: nowrap;
}
.sb-user:hover { background: var(--item-hover); }
.user-av {
    width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
    background: rgba(127,119,221,0.2); border: 1px solid rgba(127,119,221,0.35);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 600; color: #AFA9EC;
}
.user-info { overflow: hidden; max-width: 0; opacity: 0; transition: opacity 0.25s, max-width 0.32s; }
.sb-open .user-info { max-width: 120px; opacity: 1; }
.user-name { font-size: 12px; font-weight: 500; color: var(--text); }
.user-role  { font-size: 10px; color: var(--text-dim); }

/* ============================================================
   CONTENT AREA
   ============================================================ */
.app-content {
    flex: 1; overflow: auto;
    background: linear-gradient(135deg, #04060f 0%, #080a18 100%);
    position: relative;
}
.grid-overlay {
    position: absolute; inset: 0; pointer-events: none; opacity: 0.04;
    background-image: linear-gradient(#5DCAA5 1px, transparent 1px),
                      linear-gradient(90deg, #5DCAA5 1px, transparent 1px);
    background-size: 36px 36px;
}
.content-inner { position: relative; z-index: 1; padding: 28px; }

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.nav-link:focus-visible, .hamburger:focus-visible {
    outline: 2px solid var(--accent); outline-offset: -2px;
}

/* ============================================================
   RESPONSIVE MOBILE
   ============================================================ */
@media (max-width: 768px) {
    .itx-sidebar {
        position: absolute; top: var(--topbar-h); left: 0; bottom: 0;
        width: 0; z-index: 200;
        transition: width 0.32s cubic-bezier(0.4,0,0.2,1);
    }
    .itx-sidebar.sb-open { width: var(--sb-w); }
    .topnav-items { display: none; }
}