/* ==========================================================================
   NORDICTECH — HOJA DE ESTILOS CENTRALIZADA
   --------------------------------------------------------------------------
   Este archivo consolida el 100% de los estilos visuales del proyecto.
   Estructura:
   1. Variables CSS (:root)
   2. Reset
   3. Estilos globales
   4. Tipografía
   5. Layout base
   6. Header / Navbar
   7. Reflejo ambiental
   8. Sidebar
   9. Main
   10. Cards
   11. Botones
   12. Formularios
   13. Pestañas (Tabs)
   14. Alertas
   15. Tablas
   16. Imágenes y logo
   17. Modales
   18. Acordeón / Panel detalle
   19. Dropdown menú
   20. Footer
   21. Utilidades
   22. Animaciones
   23. Media Queries
   ========================================================================== */


/* ==========================================================================
   1. VARIABLES CSS (:root)
   ========================================================================== */
:root {
    /* Paleta de colores NordicTech */
    --color-nordic-bg: #151c3d;
    --color-nordic-card: #0D1425; /* interior de la card */
    --color-nordic-border: #1E293B; /* borde de la card */
    --color-nordic-logoBlue: #2A4094; /* fondo botones */
    --color-nordic-logoBlueHover: #3C56C4;
    --color-nordic-textMuted: #94A3B8;
    --color-nordic-text: #ffffff; /* texto principal */
    --color-nordic-placeholder: #64748B; /* placeholder */
    --color-nordic-header-bg: #101729; 
    --color-nordic-tabs-bg: #080d1a; /*  */
    --color-nordic-acordeon-bg: #0e172a; 
    --color-nordic-acordeon-bg-alt: #060a14;
    --color-nordic-input-bg: #060913; /* bg inputs */

    /* Tipografías */
    --font-sans: "Montserrat", "Segoe UI", sans-serif;
    --font-display: "Space Grotesk", "Segoe UI", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Transiciones */
    --transition-fast: 0.2s ease-out;
    --transition-base: 0.25s ease-in-out;
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-color: color 0.3s ease;
}


/* ==========================================================================
   2. RESET
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    background-color: var(--color-nordic-bg) !important;
    color: var(--color-nordic-text) !important;
    margin: 0;
    padding: 0;
}


/* ==========================================================================
   3. ESTILOS GLOBALES
   ========================================================================== */
body {
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    width: 100%;
    position: relative;
    isolation: auto;
    background-color: var(--color-nordic-bg);
    color: var(--color-nordic-text);
}


/* ==========================================================================
   4. TIPOGRAFÍA
   ========================================================================== */
.font-display {
    font-family: var(--font-display);
}

.font-sans {
    font-family: var(--font-sans);
}

.font-mono {
    font-family: var(--font-mono);
}

::selection {
    background-color: var(--color-nordic-logoBlue);
    color: var(--color-nordic-text);
}


/* ==========================================================================
   5. LAYOUT BASE
   ========================================================================== */
.nt-app-container {
    background-color: var(--color-nordic-bg);
    color: var(--color-nordic-text);
    min-height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    isolation: auto;
}

.nt-section {
    position: relative;
    z-index: 10;
}

.nt-divider {
    border-top: 1px solid rgba(30, 41, 59, 0.4); /* nordic-border/40 */
}


/* ==========================================================================
   6. HEADER / NAVBAR
   ========================================================================== */
.nt-header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(16, 23, 41, 0.8); /* nordic-header-bg/80 */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 50;
    border-bottom: 1px solid rgba(30, 41, 59, 0.4); /* nordic-border/40 */
}

.nt-header__inner {
    max-width: 80rem; /* 7xl */
    background-color: #101729cc;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;     /* px-4 en móvil */
    padding-right: 1rem;
    height: 4.5rem;         /* h-[4.5rem] en móvil */
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    position: relative;
}

.nt-header__inner > * {
    min-width: 0;
}

.nt-nav {
    display: none;          /* oculto en móvil por defecto */
    gap: 1.5rem;            /* space-x-6 en tablet+ */
    font-size: 0.75rem;     /* text-xs */
    text-transform: uppercase;
    letter-spacing: 0.1em;  /* tracking-widest */
    font-weight: 600;
    color: var(--color-nordic-textMuted);
    align-items: center;
}

.nt-nav__link {
    transition: var(--transition-color);
    text-decoration: none;
    color: inherit;
    display: inline-block;
    padding: 0.5rem 0;
}

.nt-nav__link:hover {
    color: var(--color-nordic-text);
}

/* Mobile menu (hamburguesa) - comportamiento por defecto en móvil */
.nt-mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border: 1px solid rgba(30, 41, 59, 0.6);
    color: var(--color-nordic-text);
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.nt-mobile-toggle:hover {
    background-color: rgba(13, 20, 37, 0.6);
}

/* Por defecto, el toggle del sidebar del admin (Dashboard) es visible
   en móvil/tablet. Se oculta a partir de lg cuando el sidebar ya es fijo. */
#btn-sidebar-toggle {
    display: inline-flex;
}

.nt-mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(16, 23, 41, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(30, 41, 59, 0.4);
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 60;
}

.nt-mobile-menu--visible {
    display: flex;
}

.nt-mobile-menu .nt-nav__link {
    padding: 0.75rem 0.5rem;
    border-bottom: 1px solid rgba(30, 41, 59, 0.3);
    width: 100%;
}

.nt-mobile-menu .nt-nav__link:last-child {
    border-bottom: none;
}

.nt-mobile-menu .nt-btn {
    margin-top: 0.5rem;
    width: 100%;
    text-align: center;
}


/* ==========================================================================
   7. REFLEJO AMBIENTAL
   ========================================================================== */
.nt-ambient-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 80rem;
    pointer-events: none;
    z-index: 0;
    background-image: linear-gradient(to bottom, rgba(42, 64, 148, 0.1), transparent);
    filter: blur(48px); /* blur-3xl */
}

.nt-ambient-glow--hero {
    height: 600px;
    background-image: linear-gradient(to bottom, rgba(42, 64, 148, 0.15), transparent);
}

.nt-ambient-glow--medium {
    height: 500px;
}

.nt-ambient-glow--short {
    height: 400px;
}


/* ==========================================================================
   8. SIDEBAR
   ========================================================================== */
.nt-sidebar {
    width: 100%;
    max-width: 20rem; /* w-80 en desktop */
    background-color: var(--color-nordic-card);
    border-right: 1px solid var(--color-nordic-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 4.5rem;          /* coincide con altura header móvil */
    bottom: 0;
    z-index: 40;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.nt-sidebar--open {
    transform: translateX(0);
}

.nt-sidebar__backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(2px);
    z-index: 35;
}

.nt-sidebar__backdrop--visible {
    display: block;
}

.nt-sidebar__search {
    padding: 1rem;
    border-bottom: 1px solid var(--color-nordic-border);
}

.nt-sidebar__list {
    flex: 1 1 auto;
    overflow-y: auto;
    border-top: 1px solid var(--color-nordic-border);
}

.nt-sidebar__list-item {
    padding: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid rgba(30, 41, 59, 0.3);
}

.nt-sidebar__list-item:hover {
    background-color: rgba(13, 20, 37, 0.6);
}

.nt-sidebar__list-item--active {
    background-color: rgba(42, 64, 148, 0.2);
    border-left: 4px solid var(--color-nordic-logoBlue);
}

.nt-sidebar__list-empty {
    padding: 1rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-nordic-textMuted);
    font-weight: 300;
}


/* ==========================================================================
   9. MAIN
   ========================================================================== */
.nt-main {
    flex-grow: 1;
    position: relative;
    z-index: 10;
}

.nt-main--with-sidebar {
    padding-left: 0;          /* móvil: sin padding lateral */
    min-height: 100vh;
    background-color: transparent;
}

.nt-main__inner {
    max-width: 64rem; /* 5xl */
    margin-left: auto;
    margin-right: auto;
    padding: 1.5rem 1rem 3rem 1rem; /* móvil: px-4 pt-24 pb-12 */
}

.nt-main--centered {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 1rem 3rem 1rem; /* móvil: pt-24 pb-12 px-4 */
}

.nt-main--portal {
    max-width: 80rem;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 6rem 1rem 3rem 1rem; /* móvil: pt-24 pb-12 px-4 */
}


/* ==========================================================================
   10. CARDS
   ========================================================================== */
.nt-card {
    background-color: var(--color-nordic-card);
    border: 1px solid var(--color-nordic-border);
    border-radius: 0;
    position: relative;
    transition: all 0.3s ease;
}

.nt-card--hoverable:hover {
    border-color: rgba(42, 64, 148, 0.5);
}

.nt-card--clickable {
    cursor: pointer;
    overflow: hidden;
    user-select: none;
}

.nt-card--clickable:hover {
    border-color: rgba(42, 64, 148, 0.6);
}

.nt-card--shadow {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); /* shadow-2xl */
}

.nt-card--ticket-admin {
    background-color: var(--color-nordic-card);
    border: 1px solid var(--color-nordic-border);
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 1rem;
    user-select: none;
}

.nt-card--ticket-admin:hover {
    border-color: rgba(100, 116, 139, 0.6);
}

.nt-card--empty {
    border: 1px dashed var(--color-nordic-border);
    text-align: center;
    padding: 6rem 1rem; /* py-24 */
}

.nt-card--empty p {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-nordic-textMuted);
}

.nt-card-header {
    padding: 1.5rem; /* p-6 */
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nt-card-header--compact {
    padding: 1.25rem; /* p-5 */
}


/* ==========================================================================
   11. BOTONES
   ========================================================================== */
.nt-btn {
    background-color: var(--color-nordic-logoBlue);
    color: var(--color-nordic-text);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem; /* px-6 py-3 */
    font-size: 0.75rem; /* text-xs */
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-family: inherit;
}

.nt-btn:hover {
    background-color: var(--color-nordic-logoBlueHover);
}

.nt-btn--block {
    width: 100%;
}

.nt-btn--lg {
    padding: 1rem 2rem; /* px-8 py-4 */
}

.nt-btn--sm {
    padding: 0.5rem 1.25rem; /* px-5 py-2 */
}

.nt-btn--ghost {
    background-color: transparent;
    color: var(--color-nordic-text);
    border: 1px solid var(--color-nordic-border);
}

.nt-btn--ghost:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.nt-btn--white {
    background-color: var(--color-nordic-text);
    color: var(--color-nordic-bg);
}

.nt-btn--white:hover {
    background-color: #e2e8f0; /* slate-200 */
}

.nt-btn--danger {
    background-color: #7f1d1d; /* red-900 */
    border-color: #b91c1c; /* red-700 */
    color: var(--color-nordic-text);
}

.nt-btn--danger:hover {
    background-color: #991b1b; /* red-800 */
}

.nt-btn--danger-outline {
    background-color: rgba(127, 29, 29, 0.4); /* red-950/40 */
    border: 1px solid #b91c1c;
    color: #fca5a5; /* red-300 */
    padding: 0.5rem 1rem;
    font-size: 0.5625rem; /* text-[9px] */
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    transition: background-color 0.2s ease;
    cursor: pointer;
}

.nt-btn--danger-outline:hover {
    background-color: #7f1d1d;
}

.nt-btn--tab {
    flex: 1;
    padding: 0.75rem 0;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    transition: all 0.2s ease;
    background-color: transparent;
    color: var(--color-nordic-textMuted);
}

.nt-btn--tab:hover {
    color: var(--color-nordic-text);
}

.nt-btn--tab-active {
    background-color: var(--color-nordic-logoBlue);
    color: var(--color-nordic-text);
}

.nt-btn--text {
    background-color: transparent;
    border: none;
    color: var(--color-nordic-textMuted);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: color 0.2s ease;
}

.nt-btn--text:hover {
    color: var(--color-nordic-text);
}

.nt-btn--full {
    width: 100%;
    padding: 1rem 2rem;
}

.nt-link {
    color: var(--color-nordic-text);
    text-decoration: underline;
    transition: color 0.2s ease;
}

.nt-link:hover {
    color: var(--color-nordic-logoBlueHover);
}

/* Ajustes puntuales de un solo uso (overrides específicos) */
.nt-card--hero-terminal {
    padding: 2rem;
}

.nt-text-eyebrow--spaced {
    margin-bottom: 0.25rem;
}

.nt-btn--mt-form {
    margin-top: 1.5rem;
}

.nt-form__label--no-margin {
    margin-bottom: 0;
}

.nt-flex-between--wrap {
    padding-bottom: 1.5rem;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}


/* ==========================================================================
   12. FORMULARIOS
   ========================================================================== */
.nt-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* space-y-6 */
}

.nt-form--compact {
    gap: 1.25rem; /* space-y-5 */
}

.nt-form--tight {
    gap: 1rem; /* space-y-4 */
}

.nt-form__group {
    display: flex;
    flex-direction: column;
}

.nt-form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem; /* sm:grid-cols-2 gap-6 */
}

.nt-form__label {
    display: block;
    font-size: 0.625rem; /* text-[10px] */
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #cbd5e1; /* slate-300 */
}

.nt-form__label--xs {
    font-size: 0.75rem; /* text-xs */
}

.nt-form__input,
.nt-form__textarea,
.nt-form__select {
    width: 100%;
    background-color: var(--color-nordic-input-bg) !important;
    color: var(--color-nordic-text) !important;
    border: 1px solid var(--color-nordic-border) !important;
    padding: 0.75rem 1rem; /* px-4 py-3 */
    font-size: 0.875rem; /* text-sm */
    font-family: inherit;
    border-radius: 0;
    outline: none;
    transition: border-color 0.2s ease;
}

.nt-form__input--compact,
.nt-form__textarea--compact {
    padding: 0.5rem 0.75rem; /* px-3 py-2 */
}

.nt-form__input:focus,
.nt-form__textarea:focus,
.nt-form__select:focus {
    border-color: var(--color-nordic-logoBlue) !important;
}

.nt-form__input::placeholder,
.nt-form__textarea::placeholder {
    color: var(--color-nordic-placeholder) !important;
}

.nt-form__textarea {
    resize: none;
}

.nt-form__select {
    cursor: pointer;
}

.nt-form__footer {
    margin-top: 1.5rem;
}

.nt-form__footer--tight {
    margin-top: 1rem;
}

.nt-form--inline {
    display: flex;
    align-items: center;
    margin-top: 1rem;
}


/* ==========================================================================
   13. PESTAÑAS (TABS)
   ========================================================================== */
.nt-tabs {
    display: flex;
    border: 1px solid var(--color-nordic-border);
    background-color: var(--color-nordic-tabs-bg);
    padding: 0.25rem; /* p-1 */
    user-select: none;
}

.nt-tabs__btn {
    flex-grow: 1;
    padding: 0.75rem 0;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
    transition: all 0.2s ease;
    background-color: transparent;
    color: var(--color-nordic-textMuted);
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.nt-tabs__btn:hover {
    color: var(--color-nordic-text);
}

.nt-tabs__btn--active {
    background-color: var(--color-nordic-logoBlue);
    color: var(--color-nordic-text);
}


/* ==========================================================================
   14. ALERTAS
   ========================================================================== */
.nt-alert {
    margin-bottom: 1.5rem; /* mb-6 */
    padding: 1rem; /* p-4 */
    font-size: 0.75rem; /* text-xs */
    font-weight: 600;
    letter-spacing: 0.025em;
    border: 1px solid;
    border-radius: 0;
    transition: all 0.3s ease;
    display: none;
}

.nt-alert--visible {
    display: block;
}

.nt-alert--success {
    background-color: rgba(20, 83, 45, 0.2); /* green-950/20 */
    border-color: rgba(34, 197, 94, 0.2); /* green-500/20 */
    color: #4ade80; /* green-400 */
}

.nt-alert--error {
    background-color: rgba(127, 29, 29, 0.2); /* red-950/20 */
    border-color: rgba(239, 68, 68, 0.2); /* red-500/20 */
    color: #f87171; /* red-400 */
}

.nt-alert--small {
    font-size: 0.6875rem; /* text-[11px] */
    padding: 0.75rem; /* p-3 */
}


/* ==========================================================================
   15. TABLAS
   ========================================================================== */
.nt-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--color-nordic-text);
    font-size: 0.875rem;
}

.nt-table th,
.nt-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-nordic-border);
    text-align: left;
}

.nt-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-nordic-textMuted);
    font-weight: 700;
    background-color: var(--color-nordic-card);
}

.nt-table tr:hover {
    background-color: rgba(13, 20, 37, 0.6);
}


/* ==========================================================================
   16. IMÁGENES Y LOGO
   ========================================================================== */
.nt-logo-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 0.5rem;
    flex-shrink: 0;
    min-width: 0;
}

.nt-logo-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.02em;
    color: var(--color-nordic-text);
    text-transform: uppercase;
    line-height: 24px;
}

.nt-logo {
    display: inline-block;
    height: 56px;       /* móvil */
    width: auto;
    max-width: 100%;
    vertical-align: middle;
    margin-left: 6px;
    border: 0;
}

.nt-logo--no-offset {
    margin-left: 0;
}

.nt-img {
    max-width: 100%;
    height: auto;
}


/* ==========================================================================
   17. MODALES
   ========================================================================== */
.nt-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.8); /* bg-black/80 */
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
}

.nt-modal-backdrop--darker {
    background-color: rgba(0, 0, 0, 0.85); /* bg-black/85 */
}

.nt-modal-backdrop--visible {
    display: flex;
}

.nt-modal {
    width: calc(100% - 2rem);
    margin: 0 1rem;
    background-color: var(--color-nordic-card);
    border: 1px solid var(--color-nordic-border);
    padding: 1.25rem; /* p-5 en móvil */
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border-radius: 0;
    max-height: 90vh;
    overflow-y: auto;
}

.nt-modal--sm {
    max-width: 24rem; /* max-w-sm */
}

.nt-modal--md {
    max-width: 28rem; /* max-w-md */
}

.nt-modal--centered {
    text-align: center;
}

.nt-modal__header {
    border-bottom: 1px solid var(--color-nordic-border);
    padding-bottom: 0.75rem;
}

.nt-modal__title {
    font-size: 0.875rem; /* text-sm */
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-nordic-text);
}

.nt-modal__subtitle {
    font-size: 0.6875rem; /* text-[11px] */
    color: var(--color-nordic-textMuted);
    margin-top: 0.25rem;
}

.nt-modal__icon-wrap {
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 3rem;
    width: 3rem;
    border-radius: 9999px;
    background-color: rgba(127, 29, 29, 0.3);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.nt-modal__icon {
    height: 1.5rem;
    width: 1.5rem;
    color: #f87171; /* red-400 */
}

.nt-modal__body {
    margin-top: 1rem;
}

.nt-modal__actions {
    display: flex;
    flex-direction: column-reverse;
    gap: 0.5rem; /* gap-2 en móvil */
    padding-top: 0.5rem;
}

.nt-modal__actions > * {
    width: 100%;
    text-align: center;
}

.nt-modal__actions--center {
    justify-content: center;
}

.nt-modal__actions--stack {
    flex-direction: column;
}


/* ==========================================================================
   18. ACORDEÓN / PANEL DETALLE
   ========================================================================== */
.nt-panel-detalle {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.25s ease-out,
                padding 0.3s ease;
}

.nt-panel-detalle.activo {
    max-height: 1000px;
    opacity: 1;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.nt-panel-detalle--admin {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-bottom: 1.5rem;
    background-color: var(--color-nordic-acordeon-bg);
    border-top: 1px solid rgba(30, 41, 59, 0.2);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nt-panel-detalle--cliente {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    padding-bottom: 1.25rem;
    background-color: var(--color-nordic-acordeon-bg-alt);
    border-top: 1px solid rgba(30, 41, 59, 0.3);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nt-flecha {
    transition: transform 0.3s ease;
}

.nt-flecha.rotate-180 {
    transform: rotate(180deg);
}


/* ==========================================================================
   19. DROPDOWN MENU
   ========================================================================== */
.nt-dropdown {
    position: relative;
}

.nt-dropdown__toggle {
    padding: 0.375rem; /* p-1.5 */
    display: flex;
    align-items: center;
    gap: 0.25rem; /* space-x-1 */
    background-color: transparent;
    border: 1px solid rgba(30, 41, 59, 0.5);
    color: var(--color-nordic-textMuted);
    transition: all 0.2s ease;
    cursor: pointer;
    font-family: inherit;
}

.nt-dropdown__toggle:hover {
    background-color: rgba(6, 9, 19, 0.8);
    color: var(--color-nordic-text);
}

.nt-dropdown__label {
    font-size: 0.625rem; /* text-[10px] */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-left: 0.25rem;
}

.nt-dropdown__menu {
    position: absolute;
    right: 0;
    margin-top: 0.5rem;
    width: 12rem; /* w-48 */
    background-color: var(--color-nordic-card);
    border: 1px solid var(--color-nordic-border);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    z-index: 30;
    border-radius: 0;
    display: none;
    overflow: hidden;
}

.nt-dropdown__menu--visible {
    display: block;
}

.nt-dropdown__item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.625rem 1rem; /* px-4 py-2.5 */
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    background-color: transparent;
    border: none;
    border-bottom: 1px solid rgba(30, 41, 59, 0.4);
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-family: inherit;
}

.nt-dropdown__item:last-child {
    border-bottom: none;
}

.nt-dropdown__item:hover {
    background-color: var(--color-nordic-bg);
}

.nt-dropdown__item--amber {
    color: #fbbf24; /* amber-400 */
}

.nt-dropdown__item--green {
    color: #4ade80; /* green-400 */
}

.nt-dropdown__item--red {
    color: #f87171; /* red-400 */
}

.nt-dropdown__item--sky {
    color: #38bdf8; /* sky-400 */
}


/* ==========================================================================
   20. FOOTER
   ========================================================================== */
.nt-footer {
    border-top: 1px solid rgba(30, 41, 59, 0.4);
    padding: 2rem 0; /* py-8 en móvil */
    font-size: 0.75rem;
    color: var(--color-nordic-textMuted);
    font-weight: 300;
    position: relative;
    z-index: 10;
}

.nt-footer--compact {
    padding: 1.5rem 0; /* py-6 en móvil */
    text-align: center;
}

.nt-footer__inner {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;     /* px-4 en móvil */
    padding-right: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    text-align: center;
}

.nt-footer__brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    opacity: 0.7;
}

.nt-footer__brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-nordic-text);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.nt-footer__brand-sub {
    font-size: 0.5rem; /* text-[8px] */
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-nordic-textMuted);
}


/* ==========================================================================
   21. UTILIDADES
   ========================================================================== */
.nt-text-eyebrow {
    color: var(--color-nordic-logoBlue);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
}

.nt-text-eyebrow--xs {
    font-size: 0.625rem; /* text-[10px] */
}

.nt-text-muted {
    color: var(--color-nordic-textMuted);
}

.nt-text-white {
    color: var(--color-nordic-text);
}

.nt-text-blue {
    color: #60a5fa; /* blue-400 */
}

.nt-text-amber {
    color: #fbbf24; /* amber-400 */
    font-weight: 700;
}

.nt-text-rose {
    color: #fb7185; /* rose-400 */
    font-weight: 700;
}

.nt-text-orange {
    color: #fb923c; /* orange-400 */
    font-weight: 700;
}

.nt-text-emerald {
    color: #34d399; /* emerald-400 */
}

.nt-text-sky {
    color: #38bdf8; /* sky-400 */
}

.nt-text-slate {
    color: #cbd5e1; /* slate-300 */
}

.nt-text-slate-200 {
    color: #e2e8f0;
}

.nt-text-slate-300 {
    color: #cbd5e1;
}

.nt-text-slate-400 {
    color: #94a3b8;
}

.nt-text-slate-500 {
    color: #64748b;
}

.nt-text-mono {
    font-family: var(--font-mono);
}

.nt-text-mono-id {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--color-nordic-textMuted);
}

.nt-text-meta {
    font-size: 0.625rem; /* text-[10px] */
    color: var(--color-nordic-textMuted);
    margin-top: 0.25rem;
}

.nt-text-meta-60 {
    opacity: 0.6;
}

.nt-text-italic {
    font-style: italic;
}

.nt-text-light {
    font-weight: 300;
}

.nt-text-bold {
    font-weight: 700;
}

.nt-text-semibold {
    font-weight: 600;
}

.nt-uppercase {
    text-transform: uppercase;
}

.nt-tracking-widest {
    letter-spacing: 0.1em;
}

.nt-tracking-wider {
    letter-spacing: 0.05em;
}

.nt-tracking-tight {
    letter-spacing: -0.025em;
}

.nt-divider-bottom {
    border-bottom: 1px solid var(--color-nordic-border);
}

.nt-divider-bottom-soft {
    border-bottom: 1px solid rgba(30, 41, 59, 0.6); /* nordic-border/60 */
}

.nt-divider-top-soft {
    border-top: 1px solid rgba(30, 41, 59, 0.6);
}

.nt-divider-top-soft-20 {
    border-top: 1px solid rgba(30, 41, 59, 0.2);
}

.nt-divider-top-soft-10 {
    border-top: 1px solid rgba(30, 41, 59, 0.1);
}

.nt-divider-top-soft-30 {
    border-top: 1px solid rgba(30, 41, 59, 0.3);
}

.nt-divider-top-dotted {
    border-top: 1px dashed var(--color-nordic-border);
}

.nt-divider-thin {
    height: 1px;
    width: 100%;
    background-color: var(--color-nordic-border);
}

.nt-bg-soft {
    background-color: rgba(13, 20, 37, 0.4); /* nordic-card/40 */
}

.nt-bg-darker {
    background-color: rgba(6, 9, 19, 0.6);
}

.nt-pulse {
    animation: nt-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.nt-pulse-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    background-color: #10b981; /* emerald-500 */
    animation: nt-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.nt-blob {
    position: absolute;
    width: 14rem;  /* w-56 en móvil */
    height: 14rem; /* h-56 en móvil */
    background-color: rgba(42, 64, 148, 0.1); /* logoBlue/10 */
    border-radius: 9999px;
    filter: blur(48px);
    z-index: -10;
    pointer-events: none;
}

@media (min-width: 768px) {
    .nt-blob {
        width: 20rem;
        height: 20rem;
    }
}

.nt-link-button {
    background-color: transparent;
    color: var(--color-nordic-textMuted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.nt-link-button:hover {
    color: var(--color-nordic-text);
}


/* ==========================================================================
   22. ANIMACIONES
   ========================================================================== */
@keyframes nt-fade-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes nt-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes nt-spin {
    to {
        transform: rotate(360deg);
    }
}

.nt-animate-fade-in {
    animation: nt-fade-in 0.2s ease-out forwards;
}

.nt-animate-spin {
    animation: nt-spin 1s linear infinite;
}

.nt-animate-pulse {
    animation: nt-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}


/* ==========================================================================
   23. MEDIA QUERIES — MOBILE FIRST
   ========================================================================== */

/* Tableta pequeña (sm ≥ 640px) */
@media (min-width: 640px) {
    .nt-header__inner {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .nt-nav {
        display: flex;
    }

    /* En sm+ se oculta el toggle del menú principal (porque la nav es visible).
       Pero el toggle del sidebar del admin sigue visible hasta lg. */
    #mobile-toggle {
        display: none;
    }

    .nt-mobile-menu {
        display: none !important;
    }

    .nt-form__row {
        grid-template-columns: 1fr 1fr;
    }

    .nt-main__inner {
        padding: 2rem 1.5rem 3.5rem 1.5rem;
    }

    .nt-main--centered {
        padding: 7rem 1.5rem 3.5rem 1.5rem;
    }

    .nt-main--portal {
        padding: 7rem 1.5rem 3.5rem 1.5rem;
    }

    .nt-footer {
        padding: 2.5rem 0;
    }

    .nt-footer--compact {
        padding: 2rem 0;
    }

    .nt-footer__inner {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .nt-logo {
        height: 72px;
    }
}

/* Tableta (md ≥ 768px) */
@media (min-width: 768px) {
    .nt-header__inner {
        height: 6rem; /* h-24 */
    }

    .nt-nav {
        gap: 2rem; /* space-x-8 */
    }

    .nt-sidebar {
        top: 6rem;
        width: 20rem;
    }

    .nt-main__inner {
        padding: 3rem 2rem 4rem 2rem;
    }

    .nt-main--centered {
        padding: 9rem 1.5rem 4rem 1.5rem;
    }

    .nt-main--portal {
        padding: 9rem 1.5rem 4rem 1.5rem;
    }

    .nt-footer {
        padding: 3rem 0;
    }

    .nt-footer__inner {
        flex-direction: row;
        text-align: left;
    }

    .nt-logo {
        height: 84px;
    }
}

/* Laptop (lg ≥ 1024px) */
@media (min-width: 1024px) {
    .nt-main--with-sidebar {
        padding-left: 20rem; /* pl-80 */
    }

    /* En lg+ el sidebar ya es fijo, no necesitamos el toggle */
    #btn-sidebar-toggle {
        display: none;
    }

    .nt-sidebar {
        transform: translateX(0);
    }

    .nt-sidebar__backdrop {
        display: none !important;
    }
}

/* Modal responsivo (≥ 640px) */
@media (min-width: 640px) {
    .nt-modal {
        padding: 1.5rem; /* p-6 */
    }

    .nt-modal__actions {
        flex-direction: row;
        justify-content: flex-end;
        gap: 0.75rem;
    }

    .nt-modal__actions > * {
        width: auto;
        text-align: left;
    }
}