/* ==========================
   VARIABLES Y CONFIGURACIÓN
========================== */
:root {
    --bg-paper: #F4EFE6;
    --card-bg: #FFFDF8;
    --dark-color: #2D2B2A;
    --shadow-color: #2D2B2A;
    --accent-red: #FF5964;
    --highlighter-yellow: rgba(255, 235, 59, 0.7);
    --line-color: rgba(45, 43, 42, 0.07);
    
    --paper-texture: 
        radial-gradient(rgba(0, 0, 0, 0.06) 1px, transparent 0),
        radial-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 0),
        repeating-linear-gradient(45deg, rgba(0,0,0,0.015) 0px, rgba(0,0,0,0.015) 2px, transparent 2px, transparent 4px);
}

/* ==========================
   RESET & ESTILOS BASE
========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-paper);
    background-image: 
        linear-gradient(var(--line-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-color) 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--dark-color);
    font-family: 'Nunito', sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* ==========================
   ESTRUCTURA PRINCIPAL
========================== */
#wrapper {
    max-width: 1200px;
    width: 92%;
    margin: 30px auto;
    position: relative;
    z-index: 2;
}

header,
nav,
aside,
#content,
.post,
.chat-modal-content,
footer {
    background-color: var(--card-bg);
    background-image: var(--paper-texture);
    background-size: 12px 12px, 18px 18px, 100% 100%;
    background-position: 0 0, 6px 6px, 0 0;
}

/* ==========================
   LINKS Y RESALTADOR AMARILLO
========================== */
a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    position: relative;
    display: inline-block;
    padding: 0 2px;
    background-image: linear-gradient(120deg, var(--highlighter-yellow) 0%, var(--highlighter-yellow) 100%);
    background-repeat: no-repeat;
    background-size: 0% 45%;
    background-position: 0 88%;
    transition: background-size 0.25s ease-in-out, color 0.2s ease;
}

a:hover {
    color: var(--dark-color);
    background-size: 100% 85%;
}

button {
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 18px;
    border: 2px solid var(--dark-color);
    background: var(--bg-paper);
    color: var(--dark-color);
    box-shadow: 3px 3px 0px var(--shadow-color);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.2s ease;
}

button:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px var(--shadow-color);
}

button:active {
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0px var(--shadow-color);
}

/* ==========================
   CABECERA Y NAVEGACIÓN
========================== */
header {
    min-height: 140px;
    border: 3px solid var(--dark-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 15px;
    padding: 20px;
    box-shadow: 5px 5px 0px var(--shadow-color);
}

header h1 {
    font-family: 'Caveat', cursive;
    font-size: clamp(40px, 6vw, 70px);
    font-weight: 700;
    text-align: center;
}

nav {
    min-height: 60px;
    border: 3px solid var(--dark-color);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    padding: 10px 20px;
    margin-bottom: 20px;
    box-shadow: 5px 5px 0px var(--shadow-color);
}

/* Corrección de estilos en enlaces de navegación */
nav a {
    background-image: none;
    padding: 4px 10px;
    border-radius: 4px;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

nav a:hover,
nav a.active {
    background-color: var(--highlighter-yellow);
    background-image: none;
}

#languageButton {
    margin-left: auto;
}

/* ==========================
   GRID PRINCIPAL Y LATERAL
========================== */
main {
    display: grid;
    grid-template-columns: 240px 1fr 280px;
    gap: 20px;
}

aside {
    border: 3px solid var(--dark-color);
    padding: 20px;
    box-shadow: 5px 5px 0px var(--shadow-color);
    height: fit-content;
}

.category-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
}

.category-list a {
    background-image: none;
    display: block;
    padding: 6px 10px;
    border: 1px dashed transparent;
    border-radius: 4px;
}

.category-list a:hover,
.category-list a.active {
    background-color: var(--highlighter-yellow);
    border-color: var(--dark-color);
    background-image: none;
}

#content {
    border: 3px solid var(--dark-color);
    padding: 25px;
    box-shadow: 5px 5px 0px var(--shadow-color);
    min-height: 600px;
}

#content h2 {
    font-family: 'Caveat', cursive;
    font-size: 42px;
    line-height: 1.1;
    margin-bottom: 8px;
    color: var(--dark-color);
}

#content p {
    font-size: 16px;
    color: var(--dark-color);
    margin-bottom: 12px;
}

/* ==========================
   POSTS Y TARJETAS
========================== */
.post {
    border: 2px solid var(--dark-color);
    padding: 25px 25px 25px 45px;
    box-shadow: 6px 6px 0px var(--shadow-color);
    position: relative;
    margin-bottom: 25px;
}

.post::before {
    content: "";
    position: absolute;
    top: 20px;
    bottom: 20px;
    left: 16px;
    width: 12px;
    background-image: radial-gradient(circle, var(--dark-color) 42%, transparent 46%);
    background-size: 12px 28px;
    background-repeat: repeat-y;
}

.post .date {
    font-size: 13px;
    color: #6A6662;
    display: block;
    margin-bottom: 15px;
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.preview-card {
    border: 2px dashed var(--dark-color);
    padding: 15px;
    background: rgba(255,255,255,0.4);
}

.card-tag {
    font-size: 12px;
    font-weight: bold;
    color: var(--accent-red);
    text-transform: uppercase;
}

.preview-card h3 {
    font-family: 'Caveat', cursive;
    font-size: 28px;
    margin: 4px 0;
}

.preview-card p {
    font-size: 14px;
    margin-bottom: 8px;
}

.card-link {
    font-size: 13px;
}

/* ==========================
   REPRODUCTOR DE MÚSICA
========================== */
.music-player {
    text-align: center;
}

.side-box h3 {
    font-family: 'Caveat', cursive;
    font-size: 30px;
    margin-bottom: 10px;
}

.turntable {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 10px auto 15px;
}

.vinyl {
    width: 130px;
    height: 130px;
    position: absolute;
    bottom: 0;
    left: 0;
    border-radius: 50%;
    background: repeating-radial-gradient(circle, #1D1B1A 0px, #1D1B1A 4px, #363331 6px);
    border: 2px solid var(--dark-color);
    box-shadow: 3px 3px 0px var(--shadow-color);
    transform-origin: center center;
}

.vinyl-center {
    width: 40px;
    height: 40px;
    background: var(--accent-red);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 3px solid var(--dark-color);
}

/* Animación de giro del vinilo */
.turntable.playing .vinyl {
    animation: spinVinyl 2.5s linear infinite;
}

@keyframes spinVinyl {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Brazo del tocadiscos */
.tonearm {
    width: 6px;
    height: 60px;
    background-color: #888;
    border: 1.5px solid var(--dark-color);
    position: absolute;
    top: -5px;
    right: 15px;
    transform-origin: top right;
    transform: rotate(-35deg); /* Fuera del disco */
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 5;
}

/* Círculo de la aguja al final del brazo */
.tonearm::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: -4px;
    width: 12px;
    height: 12px;
    background-color: var(--dark-color);
    border-radius: 50%;
    border: 1px solid #fff;
}

/* Posición del brazo cuando reproduce */
.turntable.playing .tonearm {
    transform: rotate(18deg); /* Apoyado sobre el vinilo */
}

.player-btn {
    margin-top: 10px;
}

/* ==========================
   CHAT Y MENSAJES
========================== */
.divider {
    margin: 20px 0;
    border: none;
    border-top: 1px dashed var(--dark-color);
}

.chat-desc {
    font-size: 13px;
    margin-bottom: 10px;
}

.chat-box-wrapper {
    position: relative;
    display: inline-block;
    margin-top: 5px;
    width: 100%;
}

.chat-box-wrapper button {
    width: 100%;
}

.chat-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-red);
    color: white;
    font-size: 11px;
    font-weight: bold;
    padding: 2px 7px;
    border-radius: 50%;
    border: 2px solid var(--dark-color);
    display: none;
}

.chat-badge.active {
    display: block;
}

/* ==========================
   CHAT MODAL
========================== */
.chat-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.chat-modal.hidden {
    display: none !important;
}

.chat-modal-content {
    border: 3px solid var(--dark-color);
    box-shadow: 8px 8px 0px var(--shadow-color);
    border-radius: 8px;
    width: 90%;
    max-width: 420px;
    height: 500px;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px dashed var(--dark-color);
    padding-bottom: 10px;
    margin-bottom: 12px;
}

.chat-header h3 {
    font-family: 'Caveat', cursive;
    font-size: 28px;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    box-shadow: none;
    padding: 0;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.chat-message {
    padding: 10px;
    border-radius: 6px;
    max-width: 85%;
    border: 2px solid var(--dark-color);
    font-size: 14px;
    box-shadow: 2px 2px 0px var(--shadow-color);
}

.chat-message.bot { 
    background-color: #FFF3A8; 
    align-self: flex-start; 
}

.chat-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-form input {
    padding: 8px 12px;
    border: 2px solid var(--dark-color);
    font-family: 'Nunito', sans-serif;
    outline: none;
    background: var(--bg-paper);
}

.chat-input-row {
    display: flex;
    gap: 8px;
}

.chat-input-row input {
    flex: 1;
}

/* ==========================
   FOOTER Y RESPONSIVE
========================== */
footer {
    border: 3px solid var(--dark-color);
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
    box-shadow: 5px 5px 0px var(--shadow-color);
    font-weight: 600;
}

@media (max-width: 900px) {
    main {
        grid-template-columns: 1fr;
    }
}