/* ========================================== */
/* CSS FILE 4: HOME PAGE STYLES               */
/* NOTA: requiere global.css cargado antes.   */
/* ========================================== */

/* ========================================== */
/* SECTION: THEME VARIABLES                   */
/* ========================================== */

:root {
    color-scheme: dark;
    --logo-orbital: rgba(255, 255, 255, 0.06);
    --orbital: rgba(255, 255, 255, 0.03);
    --card-glow: rgba(255, 255, 255, 0.04);
    --diagonals: rgba(255, 255, 255, 0.015);
    --spotlight-1: rgba(40, 40, 40, 0.15);
    --spotlight-2: rgba(50, 50, 50, 0.08);
    --spotlight-3: rgba(50, 50, 50, 0.06);
    --coord-marker: rgba(255, 255, 255, 0.08);
    --deco-bracket: rgba(255, 255, 255, 0.05);
    --particle: rgba(255, 255, 255, 0.5);
}

/* --- LÓGICA DE MODO CLARO (Idéntico a Furigana) --- */
:root[data-theme="light"] {
    color-scheme: light;
    --logo-orbital: rgba(0, 0, 0, 0.1);
    --orbital: rgba(0, 0, 0, 0.2);
    --card-glow: rgba(0, 0, 0, 0.1);
    --diagonals: rgba(0, 0, 0, 0.04);
    --spotlight-1: rgba(250, 250, 250, 0.15);
    --spotlight-2: rgba(240, 240, 240, 0.08);
    --spotlight-3: rgba(240, 240, 240, 0.06);
    --coord-marker: rgba(0, 0, 0, 0.6);
    --deco-bracket: rgba(0, 0, 0, 0.1);
    --particle: rgba(0, 0, 0, 0.7);
}

/* Ajustes de visibilidad para elementos decorativos en modo claro */
:root[data-theme="light"] .orbital,
:root[data-theme="light"] .hex-pattern,
:root[data-theme="light"] .coord-marker,
:root[data-theme="light"] .vertical-text,
:root[data-theme="light"] .scan-line {
    opacity: 0.3;
    filter: brightness(0.2);
}

:root[data-theme="light"] .logo-orbit {
    border-color: var(--logo-orbital);
}

/* ========================================== */
/* SECTION: BACKGROUND DECORATION             */
/* ========================================== */


/* Orbitales giratorios */
.orbital {
    position: fixed;
    border: 1px solid var(--orbital);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.orbital::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--accent-strong);
    border-radius: 50%;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}

.orbital-1 {
    width: 600px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbit-rotate 60s linear infinite;
}

.orbital-2 {
    width: 450px;
    height: 450px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: orbit-rotate 45s linear infinite reverse;
}

.orbital-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-style: dashed;
    animation: orbit-rotate 30s linear infinite;
}

@keyframes orbit-rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes scan {

    0%,
    100% {
        top: 10%;
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        top: 90%;
        opacity: 0;
    }
}

/* Texto vertical decorativo */
.vertical-text {
    position: fixed;
    writing-mode: vertical-rl;
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    color: var(--coord-marker);
    pointer-events: none;
    z-index: 0;
    text-transform: uppercase;
}

.vertical-text-left {
    left: 3%;
    top: 50%;
    transform: translateY(-50%);
}

.vertical-text-right {
    right: 3%;
    top: 50%;
    transform: translateY(-50%) rotate(180deg);
}

/* Marcadores de coordenadas */
.coord-marker {
    position: fixed;
    font-family: monospace;
    font-size: 0.55rem;
    color: var(--coord-marker);
    pointer-events: none;
    z-index: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.coord-marker::before {
    content: '';
    width: 4px;
    height: 4px;
    border: 1px solid var(--accent);
    border-radius: 1px;
}

.coord-1 {
    top: 15%;
    left: 8%;
}

.coord-2 {
    top: 25%;
    right: 10%;
}

.coord-3 {
    bottom: 20%;
    left: 12%;
}

.coord-4 {
    bottom: 30%;
    right: 6%;
}

/* Circulos concentricos de esquina */
.corner-rings {
    position: fixed;
    pointer-events: none;
    z-index: 0;
}

.corner-rings::before,
.corner-rings::after {
    content: '';
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.025);
    border-radius: 50%;
}

.corner-rings::before {
    width: 200px;
    height: 200px;
}

.corner-rings::after {
    width: 140px;
    height: 140px;
    top: 30px;
    left: 30px;
}

.corner-rings-tl {
    top: -100px;
    left: -100px;
}

.corner-rings-br {
    bottom: -100px;
    right: -100px;
}

.corner-rings-br::before,
.corner-rings-br::after {
    right: 0;
    bottom: 0;
    left: auto;
    top: auto;
}

.corner-rings-br::after {
    right: 30px;
    bottom: 30px;
}

/* Brackets decorativos */
.deco-bracket {
    position: fixed;
    width: 30px;
    height: 30px;
    pointer-events: none;
    z-index: 0;
}

.deco-bracket::before,
.deco-bracket::after {
    content: '';
    position: absolute;
    background: var(--deco-bracket);
}

.deco-bracket-tl::before {
    width: 20px;
    height: 1px;
    top: 0;
    left: 0;
}

.deco-bracket-tl::after {
    width: 1px;
    height: 20px;
    top: 0;
    left: 0;
}

.deco-bracket-tr::before {
    width: 20px;
    height: 1px;
    top: 0;
    right: 0;
}

.deco-bracket-tr::after {
    width: 1px;
    height: 20px;
    top: 0;
    right: 0;
}

.deco-bracket-bl::before {
    width: 20px;
    height: 1px;
    bottom: 0;
    left: 0;
}

.deco-bracket-bl::after {
    width: 1px;
    height: 20px;
    bottom: 0;
    left: 0;
}

.deco-bracket-br::before {
    width: 20px;
    height: 1px;
    bottom: 0;
    right: 0;
}

.deco-bracket-br::after {
    width: 1px;
    height: 20px;
    bottom: 0;
    right: 0;
}

.deco-bracket-tl {
    top: 60px;
    left: 60px;
}

.deco-bracket-tr {
    top: 60px;
    right: 60px;
}

.deco-bracket-bl {
    bottom: 60px;
    left: 60px;
}

.deco-bracket-br {
    bottom: 60px;
    right: 60px;
}

/* Particulas flotantes */
.particle {
    position: fixed;
    width: 2px;
    height: 2px;
    background: var(--particle);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: float 10s ease-in-out infinite;
}

.particle-1 {
    top: 30%;
    left: 20%;
    animation-delay: 0s;
}

.particle-2 {
    top: 60%;
    left: 15%;
    animation-delay: 2s;
}

.particle-3 {
    top: 45%;
    right: 18%;
    animation-delay: 4s;
}

.particle-4 {
    top: 70%;
    right: 25%;
    animation-delay: 6s;
}

.particle-5 {
    top: 20%;
    right: 30%;
    animation-delay: 8s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
        opacity: 0.1;
    }

    50% {
        transform: translateY(-20px) scale(1.5);
        opacity: 0.2;
    }
}

/* ========================================== */
/* SECTION: CONTENIDO PRINCIPAL               */
/* ========================================== */

.home-container {
    height: 100%;
    width: 100%;
    background: var(--panel-bg);
    padding: 1.5rem 10rem;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: visible;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 4rem;
    padding-bottom: 2.5rem;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: var(--brand-line);
}

/* Logo con orbitales internos */
.logo-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-orbit {
    position: absolute;
    border: 1px solid var(--logo-orbital);
    border-radius: 50%;
}

.logo-orbit:nth-child(1) {
    width: 100%;
    height: 100%;
    animation: logo-spin 20s linear infinite;
}

.logo-orbit:nth-child(2) {
    width: 80%;
    height: 80%;
    border-style: dashed;
    animation: logo-spin 15s linear infinite reverse;
}

.logo-orbit:nth-child(3) {
    width: 60%;
    height: 60%;
    animation: logo-spin 10s linear infinite;
}

.logo-orbit::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
}

@keyframes logo-spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.logo-char {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--page-text);
    z-index: 1;
}

h1 {
    margin-bottom: 0.5rem;
}

.title-jp {
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 0.8rem;
    color: var(--muted-text);
    letter-spacing: 0.1em;
}

/* ========================================== */
/* SECTION: HOME SEARCH                       */
/* ========================================== */

.home-search-section {
    width: 100%;
    max-width: 40rem;
    margin: 0 auto;
}

.home-search-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
}

.home-search-input {
    width: 100%;
    min-height: 3rem;
    padding: 0 0.9rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--surface-bg-strong);
    color: var(--page-text);
    font: inherit;
}

.home-search-input::placeholder {
    color: var(--soft-text);
}

.home-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.home-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 4rem;
    min-height: 3rem;
    padding: 0 1.25rem;
    border: none;
    border-radius: 8px;
    background: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    transition: all 0.15s ease;
}

.home-search-btn:hover:not(:disabled) {
    background: var(--button-hover-bg);
}

.home-search-meta {
    max-width: 52rem;
    margin: 1.25rem auto 0;
}

.home-search-description {
    margin: 0;
    text-align: left;
    color: var(--muted-text);
    font-size: 0.85rem;
    line-height: 1.6;
}

.home-credits {
    margin-top: 1.25rem;
    color: var(--muted-text);
}

.home-credits-grid {
    display: block;
}

.home-credit-item {
    margin: 0 0 0.85rem;
    text-align: left;
    color: var(--muted-text);
    font-size: 0.8rem;
    line-height: 1.7;
}

.home-credit-item:last-child {
    margin-bottom: 0;
}

.home-credit-item a,
.home-credit-item a:link,
.home-credit-item a:visited,
.home-credit-item a:hover,
.home-credit-item a:focus,
.home-credit-item a:active {
    color: var(--link) !important;
    text-decoration: underline;
    text-decoration-color: var(--link);
    text-underline-offset: 0.12em;
}

@media (max-width: 768px) {
    .home-search-meta {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .home-container {
        padding: 1.5rem 1rem;
    }
}

/* ========================================== */
/* SECTION: TOOLS GRID / TOOL CARD            */
/* ========================================== */

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    grid-auto-rows: 180px;
    gap: 1rem;
}

/* Tool Card */
.tool-card {
    position: relative;
    padding: 1.75rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
    overflow: hidden;
}

.tool-card-furigana {
    view-transition-name: furigana-shell;
}

.tool-card:not(.tool-card-coming) {
    cursor: pointer;
}

.tool-card:not(.tool-card-coming):not(.tool-card-dictionary):hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.tool-card:not(.tool-card-coming):not(.tool-card-dictionary):hover .card-glow {
    opacity: 1;
}

.tool-card:not(.tool-card-dictionary) {
    opacity: 0;
    transform: scale(0.95) translateY(-8px);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.tool-card.is-showing {
    opacity: 1;
    transform: scale(1) translateY(0);
}

#btn-dictionary {
    height: 180px;
}

#btn-dictionary.is-expanded:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

#btn-dictionary.is-expanded:hover .card-content h3 {
    color: #9ca3af;
}

/* Glow */
.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: radial-gradient(ellipse 80% 100% at 50% -20%, var(--card-glow), transparent);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

/* Corner decorations */
.card-corner {
    position: absolute;
    width: 10px;
    height: 10px;
    border: 1px solid var(--border-color);
    pointer-events: none;
    transition: border-color 0.25s ease;
}

.card-corner-tl {
    top: -1px;
    left: -1px;
    border-right: none;
    border-bottom: none;
    border-top-left-radius: 3px;
}

.card-corner-tr {
    top: -1px;
    right: -1px;
    border-left: none;
    border-bottom: none;
    border-top-right-radius: 3px;
}

.card-corner-bl {
    bottom: -1px;
    left: -1px;
    border-right: none;
    border-top: none;
    border-bottom-left-radius: 3px;
}

.card-corner-br {
    bottom: -1px;
    right: -1px;
    border-left: none;
    border-top: none;
    border-bottom-right-radius: 3px;
}

.tool-card:not(.tool-card-coming):not(.tool-card-dictionary):hover .card-corner {
    border-color: var(--border-strong);
}

/* Card header */
.card-header {
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--page-text);
}

/* Card content */
.card-content {
    margin-bottom: 1.25rem;
}

.card-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--page-text);
    transition: color 0.25s ease;
}

.tool-card:not(.tool-card-coming):not(.tool-card-dictionary):hover .card-content h3 {
    color: #9ca3af;
}

/* Card footer */
.card-footer {
    display: flex;
    justify-content: flex-end;
}

.card-arrow {
    color: var(--muted-text);
    transition: all 0.25s ease;
}

.tool-card:not(.tool-card-coming):not(.tool-card-dictionary):hover .card-arrow {
    color: var(--page-text);
    transform: translate(2px, -2px);
}

.card-arrow.locked {
    color: var(--soft-text);
    font-size: 0.9rem;
}

/* Coming soon */
.tool-card-coming {
    opacity: 0.4;
    cursor: default;
}

.tool-card-coming .card-icon,
.tool-card-coming .card-content h3 {
    color: var(--muted-text);
}

/* Dictionary toggle button */
.tool-card-dictionary {
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* transform manejado por JS con getBoundingClientRect() */

.tool-card-dictionary:hover:not(.is-expanded) {
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.tool-card-dictionary:hover:not(.is-expanded) .card-glow {
    opacity: 1;
}

.tool-card-dictionary:hover:not(.is-expanded) .card-corner {
    border-color: var(--border-strong);
}

.tool-card-dictionary:hover:not(.is-expanded) .card-content h3 {
    color: #9ca3af;
}

.tool-card-dictionary:hover:not(.is-expanded) .card-arrow {
    color: var(--page-text);
    transform: translate(2px, -2px);
}

/* Dictionary options */
.dict-option {
    position: relative;
    padding: 1.75rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.95) translateY(-8px);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    pointer-events: none;
}

.dict-option.is-showing {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.dict-option:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.dict-option:hover .card-glow {
    opacity: 1;
}

.dict-option:hover .card-corner {
    border-color: var(--border-strong);
}

.dict-option:hover .card-content h3 {
    color: #9ca3af;
}

.dict-option:hover .card-arrow {
    color: var(--page-text);
    transform: translate(2px, -2px);
}

.dict-option .card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: radial-gradient(ellipse 80% 100% at 50% -20%, var(--card-glow), transparent);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.dict-option .card-corner {
    position: absolute;
    width: 10px;
    height: 10px;
    border: 1px solid var(--border-color);
    pointer-events: none;
    transition: border-color 0.25s ease;
}

.dict-option .card-corner-tl {
    top: -1px;
    left: -1px;
    border-right: none;
    border-bottom: none;
    border-top-left-radius: 3px;
}

.dict-option .card-corner-tr {
    top: -1px;
    right: -1px;
    border-left: none;
    border-bottom: none;
    border-top-right-radius: 3px;
}

.dict-option .card-corner-bl {
    bottom: -1px;
    left: -1px;
    border-right: none;
    border-top: none;
    border-bottom-left-radius: 3px;
}

.dict-option .card-corner-br {
    bottom: -1px;
    right: -1px;
    border-left: none;
    border-top: none;
    border-bottom-right-radius: 3px;
}

.dict-option .card-icon {
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--page-text);
}

.dict-option .card-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--page-text);
    transition: color 0.25s ease;
}

.dict-option .card-arrow {
    color: var(--muted-text);
    transition: all 0.25s ease;
}

/* Animación idéntica a la de las otras tarjetas */
@keyframes entradaUniforme {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-8px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.animar-entrada {
    /* Usando la duración de 0.3s y el bezier de las otras cartas */
    animation: entradaUniforme 0.3s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

#btn-dictionary {
    height: 180px;
    opacity: 0;
    /* Empieza invisible igual que los demás */
}

/* Los otros dos botones ya tienen su lógica, no los tocamos */

/* Dictionary arrow rotation */
.dict-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.dict-arrow svg {
    /* 0.8s para que cubra todo el desplazamiento y el delay del JS */
    transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    display: block;
}

#btn-dictionary.is-expanded .dict-arrow svg {
    transform: rotate(180deg);
}