/*
 * Portal de herramientas (toolsdtic.com).
 * Sitio estático e independiente de Nexora. Cristal sobre halos de color; oscuro por defecto, con tema claro.
 * Todo renglón con varios elementos puede bajar de línea: nada se encima ni se sale de su tarjeta.
 */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url('fonts/montserrat-latin-variable.woff2') format('woff2');
}

:root {
    color-scheme: dark;
    --bg: #060913;
    --ink: #f8fafc;
    --ink-soft: #a9b6cb;
    --glass: rgb(17 25 45 / 58%);
    --glass-hover: rgb(26 38 68 / 72%);
    --glass-top: rgb(255 255 255 / 12%);
    --field: rgb(255 255 255 / 7%);
    --line: rgb(255 255 255 / 12%);
    --line-strong: rgb(255 255 255 / 26%);
    --shadow: 0 1.5rem 3rem -0.75rem rgb(0 0 0 / 65%);
    --focus: #8ec5ff;
    --orb-opacity: 0.38;
    --icon-sun: block;
    --icon-moon: none;
    --cyan: #22d3ee;
    --cyan-ink: #67e8f9;
    --cyan-btn-1: #0e7490;
    --cyan-btn-2: #1d4ed8;
    --violet: #a78bfa;
    --violet-ink: #c4b5fd;
    --violet-btn-1: #6d28d9;
    --violet-btn-2: #4338ca;
    --emerald: #34d399;
    --emerald-ink: #6ee7b7;
    --emerald-btn-1: #047857;
    --emerald-btn-2: #0f766e;
    --amber-ink: #fcd34d;
    --danger-ink: #fda4af;
    --grad-1: #67e8f9;
    --grad-2: #93b4ff;
    --grad-3: #6ee7b7;
    --font-sans: 'Montserrat', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono: ui-monospace, 'Cascadia Mono', 'SF Mono', Consolas, monospace;
}

:root[data-theme='light'] {
    color-scheme: light;
    --bg: #eef3f9;
    --ink: #0f172a;
    --ink-soft: #475569;
    --glass: rgb(255 255 255 / 68%);
    --glass-hover: rgb(255 255 255 / 88%);
    --glass-top: rgb(255 255 255 / 90%);
    --field: rgb(15 23 42 / 5%);
    --line: rgb(15 23 42 / 12%);
    --line-strong: rgb(15 23 42 / 26%);
    --shadow: 0 1.25rem 2.5rem -1rem rgb(15 23 42 / 18%);
    --focus: #165d9c;
    --orb-opacity: 0.5;
    --icon-sun: none;
    --icon-moon: block;
    --cyan-ink: #0b6a8c;
    --violet-ink: #5b3fc4;
    --emerald-ink: #0a6a4c;
    --amber-ink: #8a5300;
    --danger-ink: #b4233c;
    --grad-1: #0b6a8c;
    --grad-2: #3346c4;
    --grad-3: #0a6a4c;
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
    min-height: 100dvh;
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

:focus-visible { outline: 0.1875rem solid var(--focus); outline-offset: 0.25rem; }

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

.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; border: 0; clip-path: inset(50%); white-space: nowrap; }

.skip-link { position: fixed; z-index: 20; top: 0.75rem; left: 0.75rem; padding: 0.7rem 1rem; border-radius: 0.75rem; background: var(--ink); color: var(--bg); font-weight: 700; text-decoration: none; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }

/* Halos de color difuminados detrás del cristal. */
.ambient { position: fixed; z-index: 0; inset: 0; overflow: hidden; pointer-events: none; }
.ambient::before { position: absolute; inset: 0; background-image: linear-gradient(to right, rgb(148 163 184 / 7%) 0.0625rem, transparent 0.0625rem), linear-gradient(to bottom, rgb(148 163 184 / 7%) 0.0625rem, transparent 0.0625rem); background-size: 2.25rem 2.25rem; content: ''; mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 55%, transparent 100%); }
.orb { position: absolute; display: block; width: min(40rem, 90vw); aspect-ratio: 1; border-radius: 50%; opacity: var(--orb-opacity); filter: blur(6rem); }
.orb-cyan { top: -12rem; left: -10rem; background: radial-gradient(circle, var(--cyan), transparent 68%); }
.orb-violet { top: 22%; right: -14rem; background: radial-gradient(circle, #7c3aed, transparent 68%); }
.orb-emerald { bottom: -16rem; left: 28%; background: radial-gradient(circle, #10b981, transparent 68%); }

@media (prefers-reduced-motion: no-preference) {
    .orb { animation: drift 24s ease-in-out infinite alternate; }
    .orb-violet { animation-duration: 30s; animation-delay: -8s; }
    .orb-emerald { animation-duration: 36s; animation-delay: -16s; }
    @keyframes drift { to { transform: translate3d(2.5rem, 1.5rem, 0) scale(1.08); } }
}

.page {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 100dvh;
    max-width: 76rem;
    margin: 0 auto;
    padding-block: 1.25rem 1.5rem;
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
    grid-template-rows: auto 1fr auto;
    gap: 1rem;
}

/* Superficies de cristal. */
.bar, .tool, .notes, .empty {
    border: 0.0625rem solid var(--line);
    background: var(--glass);
    box-shadow: inset 0 0.0625rem 0 var(--glass-top), var(--shadow);
    backdrop-filter: blur(1.25rem) saturate(1.6);
}

/* Encabezado. */
.bar { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem 1rem; padding: 0.7rem 0.8rem 0.7rem 1rem; border-radius: 1.25rem; }
.brand { display: flex; min-width: 0; align-items: center; gap: 0.8rem; }
.brand-mark { display: grid; width: 2.75rem; height: 2.75rem; flex: none; place-items: center; border-radius: 0.85rem; background: linear-gradient(135deg, #0e7490, #6d28d9); color: #fff; box-shadow: 0 0.5rem 1.25rem rgb(34 211 238 / 25%); }
.brand-mark svg { width: 1.4rem; height: 1.4rem; }
.brand-copy { display: grid; min-width: 0; }
.brand-copy strong { font-size: 1.05rem; font-weight: 800; line-height: 1.25; }
.brand-copy small { color: var(--ink-soft); font-family: var(--font-mono); font-size: 0.75rem; line-height: 1.4; }

.bar-actions { display: flex; flex: none; align-items: center; gap: 0.5rem; }
.count-pill { display: none; align-items: center; gap: 0.5rem; min-height: 2.75rem; padding-inline: 0.9rem; border: 0.0625rem solid var(--line); border-radius: 999px; background: var(--field); font-size: 0.75rem; font-weight: 600; }
.dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--emerald); }

.chip-button, .theme-toggle, .icon-button, .button, .filters button {
    border: 0.0625rem solid var(--line);
    background: var(--field);
    color: var(--ink);
    font: inherit;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.chip-button:hover, .theme-toggle:hover, .icon-button:hover, .button:hover, .filters button:hover { border-color: var(--line-strong); background: color-mix(in srgb, var(--ink) 11%, transparent); }

.chip-button { display: inline-flex; min-width: 2.75rem; min-height: 2.75rem; align-items: center; justify-content: center; gap: 0.5rem; padding: 0 0.8rem; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.chip-button svg { width: 1.1rem; height: 1.1rem; color: var(--cyan-ink); }
.chip-button[aria-expanded='true'] { border-color: var(--cyan); }
.chip-label { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.theme-toggle { display: grid; width: 2.75rem; height: 2.75rem; flex: none; place-items: center; padding: 0; border-radius: 50%; }
.theme-toggle svg { width: 1.2rem; height: 1.2rem; }
.icon-sun { display: var(--icon-sun); color: var(--amber-ink); }
.icon-moon { display: var(--icon-moon); }

/* Título y buscador. */
main { display: grid; align-content: start; gap: 1.5rem; padding-block: clamp(1rem, 4vw, 2.5rem); outline: none; }
.intro { display: grid; justify-items: center; max-width: 46rem; margin-inline: auto; gap: 0.75rem; text-align: center; }
.eyebrow { margin: 0; color: var(--cyan-ink); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.eyebrow-keys { display: none; color: var(--ink-soft); letter-spacing: 0.02em; text-transform: none; }
.eyebrow kbd { padding: 0.1rem 0.4rem; border: 0.0625rem solid var(--line); border-radius: 0.35rem; background: var(--field); color: var(--ink); font-size: 0.7rem; }
h1 { margin: 0; font-size: clamp(1.9rem, 5.6vw, 3.25rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.12; text-wrap: balance; }
.gradient-text { background: linear-gradient(90deg, var(--grad-1), var(--grad-2), var(--grad-3)); background-clip: text; color: transparent; }
.lede { margin: 0; color: var(--ink-soft); font-size: 0.975rem; text-wrap: balance; }

.finder { display: grid; width: 100%; justify-items: center; gap: 0.75rem; margin-top: 0.5rem; }
.search { position: relative; width: min(100%, 26rem); }
.search svg { position: absolute; top: 50%; left: 0.95rem; width: 1.1rem; height: 1.1rem; color: var(--ink-soft); pointer-events: none; transform: translateY(-50%); }
.search input { width: 100%; min-height: 2.75rem; padding: 0 2.75rem; border: 0.0625rem solid var(--line); border-radius: 999px; background: var(--field); color: var(--ink); font: inherit; font-size: 0.9rem; }
.search input::placeholder { color: var(--ink-soft); opacity: 1; }
.search input:focus-visible { outline-offset: 0.15rem; }
.search kbd { position: absolute; top: 50%; right: 0.9rem; padding: 0.05rem 0.45rem; border: 0.0625rem solid var(--line); border-radius: 0.35rem; color: var(--ink-soft); font-size: 0.7rem; transform: translateY(-50%); pointer-events: none; }

.filters { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.filters button { display: inline-flex; min-height: 2.75rem; align-items: center; gap: 0.4rem; padding: 0 1rem; border-radius: 999px; font-size: 0.8125rem; font-weight: 600; }
.filters button svg { width: 0.95rem; height: 0.95rem; color: var(--amber-ink); }
.filters button[aria-pressed='true'] { border-color: var(--cyan); background: color-mix(in srgb, var(--cyan) 18%, transparent); color: var(--cyan-ink); font-weight: 700; }

/* Tarjetas de herramientas. */
.tools { display: grid; width: 100%; max-width: 70rem; margin: 0 auto; padding: 0; list-style: none; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); }
.tools > li { display: grid; min-width: 0; }

.tool {
    --a: var(--cyan);
    --a-ink: var(--cyan-ink);
    --btn-1: var(--cyan-btn-1);
    --btn-2: var(--cyan-btn-2);
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.5rem;
    overflow: hidden;
    border-radius: 1.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}
.tool-nexora { --a: var(--cyan); --a-ink: var(--cyan-ink); --btn-1: var(--cyan-btn-1); --btn-2: var(--cyan-btn-2); }
.tool-alfa { --a: var(--violet); --a-ink: var(--violet-ink); --btn-1: var(--violet-btn-1); --btn-2: var(--violet-btn-2); }
.tool-utilidades { --a: var(--emerald); --a-ink: var(--emerald-ink); --btn-1: var(--emerald-btn-1); --btn-2: var(--emerald-btn-2); }

/* Línea de luz superior y luz que sigue al puntero. */
.tool::before { position: absolute; top: 0; right: 2rem; left: 2rem; height: 0.125rem; background: linear-gradient(90deg, transparent, var(--a), transparent); content: ''; opacity: 0.7; pointer-events: none; }
.tool::after { position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(22rem circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--a) 18%, transparent), transparent 65%); content: ''; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.tool:hover, .tool:has(.tool-cta:focus-visible) { border-color: color-mix(in srgb, var(--a) 55%, var(--line)); background: var(--glass-hover); box-shadow: inset 0 0.0625rem 0 var(--glass-top), 0 1.6rem 3rem -1rem color-mix(in srgb, var(--a) 35%, transparent); transform: translateY(-0.4rem); }
.tool:hover::after, .tool:has(.tool-cta:focus-visible)::after { opacity: 1; }

/* Los botones de destacar y copiar quedan por encima del enlace que cubre la tarjeta. */
.tool-top { position: relative; z-index: 2; display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 0.75rem; margin-bottom: 1rem; }
.tool-icon { display: grid; width: 4rem; height: 4rem; flex: none; place-items: center; border: 0.0625rem solid color-mix(in srgb, var(--a) 40%, transparent); border-radius: 1.1rem; background: linear-gradient(135deg, color-mix(in srgb, var(--a) 28%, transparent), color-mix(in srgb, var(--a) 8%, transparent)); color: var(--a-ink); box-shadow: inset 0 0.0625rem 0 rgb(255 255 255 / 22%); transition: transform 0.3s ease; }
.tool-icon svg { width: 2rem; height: 2rem; }
.tool:hover .tool-icon { transform: scale(1.06) rotate(-2deg); }

.tool-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 0.4rem; }
.key-badge { display: none; align-items: center; min-height: 2rem; padding: 0 0.65rem; border: 0.0625rem solid color-mix(in srgb, var(--a) 40%, transparent); border-radius: 0.6rem; background: var(--field); color: var(--a-ink); font-size: 0.7rem; font-weight: 600; }
.icon-button { display: grid; width: 2.75rem; height: 2.75rem; place-items: center; padding: 0; border-radius: 0.8rem; color: var(--ink-soft); }
.icon-button svg { width: 1.1rem; height: 1.1rem; }
.icon-button[data-copy]:hover { color: var(--a-ink); }
.icon-button[data-fav]:hover, .icon-button[aria-pressed='true'] { color: var(--amber-ink); }
.icon-button[aria-pressed='true'] { border-color: color-mix(in srgb, var(--amber-ink) 55%, transparent); }
.icon-button[aria-pressed='true'] svg { fill: currentColor; }

.tool-tag { margin: 0; color: var(--a-ink); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.tool-title { margin: 0; font-size: 1.65rem; font-weight: 800; line-height: 1.15; overflow-wrap: anywhere; }
.tool-subtitle { margin: 0; font-size: 0.875rem; font-weight: 600; line-height: 1.4; }
.tool-desc { margin: 0.25rem 0 0; color: var(--ink-soft); font-size: 0.875rem; line-height: 1.65; }
.tool-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.75rem 0 0; padding: 0; list-style: none; }
.tool-chips li { padding: 0.25rem 0.65rem; border: 0.0625rem solid color-mix(in srgb, var(--a) 28%, transparent); border-radius: 0.5rem; background: color-mix(in srgb, var(--a) 10%, transparent); color: var(--a-ink); font-size: 0.7rem; font-weight: 600; }

.tool-foot { display: grid; gap: 0.75rem; margin-top: auto; padding-top: 1.25rem; }
.tool-foot::before { height: 0.0625rem; margin-bottom: 0.25rem; background: var(--line); content: ''; }
.tool-host { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.25rem 0.75rem; margin: 0; color: var(--ink-soft); font-size: 0.75rem; }
.tool-domain { min-width: 0; font-family: var(--font-mono); overflow-wrap: anywhere; }
.tool-uses { color: var(--a-ink); font-weight: 600; }

/* El enlace cubre toda la tarjeta: cualquier clic en ella abre la herramienta. */
.tool-cta { display: flex; min-height: 3rem; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.7rem 1rem; border-radius: 0.9rem; background: linear-gradient(90deg, var(--btn-1), var(--btn-2)); color: #fff; font-size: 0.9rem; font-weight: 700; text-decoration: none; box-shadow: 0 0.75rem 1.5rem -0.5rem color-mix(in srgb, var(--btn-1) 60%, transparent); }
.tool-cta::after { position: absolute; z-index: 1; inset: 0; content: ''; }
.tool-cta svg { width: 1.1rem; height: 1.1rem; flex: none; transition: transform 0.25s ease; }
.tool:hover .tool-cta svg { transform: translateX(0.25rem); }
.tool-cta:focus-visible { outline-offset: 0.2rem; }

.empty { display: grid; max-width: 28rem; margin-inline: auto; justify-items: center; gap: 0.75rem; padding: 1.5rem; border-radius: 1.25rem; text-align: center; }
.empty p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }

.button { min-height: 2.75rem; padding: 0 1.1rem; border-radius: 0.8rem; font-size: 0.8125rem; font-weight: 600; }

/* Bloc rápido. */
.notes { display: grid; width: 100%; max-width: 70rem; margin: 0 auto; padding: 1.25rem; border-radius: 1.5rem; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); }
.notes h2 { margin: 0; font-size: 0.95rem; font-weight: 800; }
.notes-main { display: grid; gap: 0.6rem; align-content: start; }
.notes-hint { margin: 0; color: var(--ink-soft); font-size: 0.8125rem; }
.notes textarea { width: 100%; min-height: 6.5rem; padding: 0.8rem; border: 0.0625rem solid var(--line); border-radius: 0.9rem; background: var(--field); color: var(--ink); font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.5; resize: vertical; }
.notes textarea::placeholder { color: var(--ink-soft); opacity: 1; }
.notes-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5rem; }
.notes-actions .button[data-confirm='true'] { border-color: var(--danger-ink); color: var(--danger-ink); }
.notes-keys { display: grid; align-content: start; gap: 0.6rem; padding-top: 1.1rem; border-top: 0.0625rem solid var(--line); }
.notes-keys dl { display: grid; margin: 0; gap: 0.5rem; }
.notes-keys dl > div { display: flex; align-items: center; gap: 0.75rem; font-size: 0.8125rem; }
.notes-keys dt { display: flex; min-width: 2rem; }
.notes-keys dd { margin: 0; color: var(--ink-soft); }
.notes-keys kbd { display: inline-grid; min-width: 1.9rem; min-height: 1.9rem; place-items: center; border: 0.0625rem solid var(--line); border-radius: 0.5rem; background: var(--field); color: var(--ink); font-size: 0.8rem; font-weight: 600; }

.foot { color: var(--ink-soft); font-size: 0.75rem; text-align: center; text-wrap: balance; }

/* Aviso breve. Sólo se mueve con transform; la opacidad del texto no se anima. */
.toast { position: fixed; z-index: 30; right: max(1rem, env(safe-area-inset-right, 0px)); bottom: max(1rem, env(safe-area-inset-bottom, 0px)); left: max(1rem, env(safe-area-inset-left, 0px)); display: flex; justify-content: center; pointer-events: none; visibility: hidden; transform: translateY(3rem); transition: transform 0.3s ease, visibility 0s linear 0.3s; }
.toast span { max-width: 28rem; padding: 0.75rem 1.1rem; border: 0.0625rem solid color-mix(in srgb, var(--cyan) 45%, var(--line)); border-radius: 0.9rem; background: color-mix(in srgb, var(--bg) 88%, var(--ink)); box-shadow: var(--shadow); font-size: 0.8125rem; font-weight: 600; overflow-wrap: anywhere; }
.toast[data-visible='true'] { visibility: visible; transform: translateY(0); transition: transform 0.3s ease; }

/* Tablet: una columna de tarjetas cómodas, sin tarjetas huérfanas en una segunda fila. */
@media (min-width: 36rem) {
    .chip-label { position: static; width: auto; height: auto; margin: 0; overflow: visible; clip-path: none; }
    .tools { max-width: 40rem; }
    .notes-actions { justify-content: flex-start; }
}

@media (min-width: 48rem) {
    .count-pill { display: inline-flex; }
    .eyebrow-keys, .key-badge { display: inline-flex; }
    .eyebrow-keys { display: inline; }
    .notes { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); }
    .notes-keys { padding-top: 0; padding-left: 1.5rem; border-top: 0; border-left: 0.0625rem solid var(--line); }
}

/* PC: tres columnas. */
@media (min-width: 60rem) {
    .tools { max-width: 70rem; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
    .tool { padding: 1.75rem; }
}

@media (max-width: 24rem) {
    .tool { padding: 1.25rem; }
    .bar { padding-left: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
    .tool, .tool-icon, .tool-cta svg, .toast, .tool::after { transition: none; }
    .tool:hover, .tool:has(.tool-cta:focus-visible), .tool:hover .tool-icon, .tool:hover .tool-cta svg { transform: none; }
}

@supports not (backdrop-filter: blur(1px)) {
    .bar, .tool, .notes, .empty { background: color-mix(in srgb, var(--bg) 88%, var(--ink)); }
}

@media (prefers-reduced-transparency: reduce) {
    .bar, .tool, .notes, .empty { background: color-mix(in srgb, var(--bg) 90%, var(--ink)); backdrop-filter: none; }
}