/* styles.css */

body {
    background-color: #222;
    color: #eee;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

#game-container {
    width: 90%;
    max-width: 800px;
    padding-top: 20px;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

main {
    display: flex;
    gap: 20px;
}

/* --- Clicker Panel (Left Side) --- */

#clicker-panel {
    flex: 1;
    min-width: 250px;
}

#resource-panels {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.resource-button-container {
    position: relative;
    border: 2px solid #ffffff9a;
    border-radius: 4px;
    overflow: hidden;
}

.resource-button-container.locked {
    opacity: 0.5;
    pointer-events: none;
}

.unlock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: rgb(255, 0, 0);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.9em;
    font-weight: bold;
    text-align: center;
    z-index: 5;
}

.resource-mine-btn {
    width: 100%;
    background-color: #131318;
    color: #eee;
    padding: 10px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    text-align: left;
    transition: background-color 0.5s;
}

.resource-mine-btn:hover:not(:disabled) {
    background-color: #0000005d;
    color: #ffe08a;
}

.resource-img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

.resource-text {
    flex-grow: 1;
    font-size: 0.9em;
}

/* --- Upgrades/Crafting Panel (Right Side) --- */

#upgrades-panel {
    flex: 2;
    min-width: 350px;
    padding: 10px;
    background-color: #0d0d1a88;
    border: 2px solid #ffffffab;
    border-radius: 8px;
    position: relative; /* Clave para posicionar la navegación */
    max-height: 70vh; 
    overflow-y: hidden;
}


/* --- Rediseño de Navegación Compacta --- */

#nav-buttons-container {
    position: absolute;
    top: 5px; 
    left: 50%;
    transform: translateX(-50%); /* Centrar el contenedor */
    display: flex;
    gap: 3px; /* 3 píxeles de separación */
    z-index: 20;
}

.nav-icon-btn {
    width: 30px; 
    height: 30px;
    padding: 0;
    background-color: #000000;
    border: 2px solid #ffffff;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s, border-color 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-icon-btn:hover {
    background-color: #000000;
}

.nav-icon-btn.active {
    background-color: #000000;
    border-color: #fed17b; /* Color de energía/activo */
}

.nav-icon-btn img {
    width: 20px;
    height: 20px;
}
/* --- Fin Rediseño --- */


.upgrades-subsection {
    margin-top: 40px; /* Deja espacio para los nuevos botones de navegación */
    height: calc(100% - 40px);
    overflow-y: auto;
    padding-right: 10px; /* Espacio para la barra de scroll */
}

.upgrades-subsection h2 {
    margin-top: 0;
    border-bottom: 1px solid #0000005d;
    padding-bottom: 5px;
}

.upgrades-subsection.hidden {
    display: none;
}

#upgrade-buttons-container,
#crafting-buttons-container,
#power-buttons-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upgrade-btn {
    width: 100%;
    background-color: #1716279c;
    color: #eee;
    padding: 10px;
    border: 1px solid #ffffff;
    border-radius: 4px;
    cursor: pointer;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.5s;
}

.upgrade-btn:hover:not(:disabled) {
    background-color: #0000008a;
}

.upgrade-btn.can-buy {
    border-color: #F3E979; /* Resalta las mejoras comprables */
}

.upgrade-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.upgrade-info {
    flex-grow: 1;
}

.upgrade-name {
    display: block;
    font-weight: bold;
    font-size: 1.1em;
}

.upgrade-effect, .upgrade-auto-rate {
    display: block;
    font-size: 0.85em;
    color: #ccc;
    margin: 2px 0;
}

.upgrade-cost {
    display: block;
    font-size: 0.9em;
    color: #999;
}

.upgrade-sprite {
    width: 40px;
    height: 40px;
    margin-left: 10px;
    border: 1px solid #ffffff00;
    border-radius: 2px;
}

.buy-sub-btn {
    background-color: #666;
    color: #eee;
    border: 1px solid #777;
    border-radius: 3px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.8em;
    transition: background-color 0.1s;
}

.buy-sub-btn:hover:not(:disabled) {
    background-color: #777;
}

.buy-sub-btn.can-buy {
    border-color: #F3E979;
}