@font-face {
    font-family: 'Minecraft';
    src: url('Minecraft-Bold.otf') format('opentype');
    font-weight: bold;
    font-style: normal;
}

:root {
    --bg-deep: #121021;
    --theme-dark: #24445c;
    --theme-main: #386b7a; 
    --theme-hover: #4f9aab;
    --theme-light: #8cd7db;
    --panel-bg: rgba(24, 28, 48, 0.85);
    --text-light: #d1f0f0;
    --mc-shadow: #0a0914;
    --mc-highlight: #262d40;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-deep);
    font-family: sans-serif;
    color: var(--text-light);
    display: flex;
    justify-content: center;
    padding: 2rem;
    min-height: 100vh;
    overflow-x: hidden;
}

#stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.pixel-star {
    position: absolute;
    background: #fff;
    width: 2px;
    height: 2px;
    animation: twinkle infinite linear;
}

.pixel-star.star-plus {
    box-shadow: 0 -2px 0 #fff, 0 2px 0 #fff, -2px 0 0 #fff, 2px 0 0 #fff;
}

@keyframes twinkle {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}

h1, h2, h3, .mc-btn, .subtitle-text, .pixel-font {
    font-family: 'Minecraft', sans-serif;
}

.container {
    max-width: 800px;
    width: 100%;
    display: grid;
    gap: 20px;
    position: relative;
    z-index: 10;
}

.header-wrapper {
    text-align: center;
    position: relative;
    padding: 30px 0 0 0;
}

.title-banner {
    background-color: #171c2b;
    display: inline-block;
    padding: 16px 40px;
    border: 4px solid;
    border-color: #243145 #0a0914 #0a0914 #243145;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
    margin-bottom: 4px;
}

.title-banner h1 {
    color: #ffffff;
    font-size: 32px;
    letter-spacing: 2px;
    text-shadow: 3px 3px 0 #000000;
}

.subtitle-banner {
    background-color: var(--theme-main);
    display: inline-block;
    padding: 8px 24px;
    border: 3px solid;
    border-color: var(--theme-light) var(--theme-dark) var(--theme-dark) var(--theme-light);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.subtitle-text {
    color: #ffffff;
    font-size: 11px;
    letter-spacing: 1px;
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.4);
    margin: 0;
}

.panel {
    background-color: var(--panel-bg);
    border: 4px solid;
    border-color: var(--mc-highlight) var(--mc-shadow) var(--mc-shadow) var(--mc-highlight);
    border-radius: 0;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.panel h2 {
    margin-bottom: 15px;
    color: var(--theme-light);
    text-shadow: 2px 2px 0 #000;
    font-size: 18px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--theme-light);
    font-family: 'Minecraft', sans-serif;
    font-size: 10px;
    text-transform: uppercase;
}

.pixel-input, .pixel-select {
    width: 100%;
    padding: 12px;
    background: #10121f;
    border: 2px solid;
    border-color: #07070a var(--theme-dark) var(--theme-dark) #07070a;
    color: var(--theme-light);
    font-family: 'Minecraft', sans-serif;
    font-size: 12px;
    outline: none;
    box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.6);
    appearance: none;
}

.pixel-select {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' fill='%238cd7db'><path d='M0 2h10v2H0zM2 4h6v2H2zM4 6h2v2H4z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 30px;
    cursor: pointer;
}

.pixel-input:focus, .pixel-select:focus {
    background: #171b2e;
    border-color: #07070a var(--theme-main) var(--theme-main) #07070a;
}

.upload-area {
    background: #10121f;
    border: 4px solid;
    border-color: #07070a var(--theme-dark) var(--theme-dark) #07070a;
    box-shadow: inset 4px 4px 10px rgba(0, 0, 0, 0.8);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    margin-top: 15px;
    transition: filter 0.1s;
}

.upload-area:hover {
    filter: brightness(1.3);
}

.upload-area p {
    font-family: 'Minecraft', sans-serif;
    color: var(--theme-light);
    text-shadow: 2px 2px 0 #000;
}

.upload-area span {
    font-size: 10px;
    color: var(--theme-hover);
    margin-top: 8px;
    display: block;
    font-family: sans-serif;
    text-transform: uppercase;
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
    gap: 8px;
    margin-top: 15px;
}

.matrix-slot {
    width: 56px;
    height: 56px;
    background: rgba(18, 22, 38, 0.8);
    border: 2px solid;
    border-color: var(--theme-main) var(--theme-dark) var(--theme-dark) var(--theme-main);
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.matrix-slot img {
    width: 32px;
    height: 32px;
    image-rendering: pixelated;
    pointer-events: none;
    filter: drop-shadow(2px 2px 0 rgba(0, 0, 0, 0.4));
}

.matrix-slot .remove-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(200, 0, 0, 0.85);
    color: white;
    font-family: 'Minecraft', sans-serif;
    font-size: 24px;
    display: none;
    align-items: center;
    justify-content: center;
    border: 2px solid #ff5555;
}

.matrix-slot:hover .remove-overlay {
    display: flex;
}

.mc-btn {
    background-color: var(--theme-dark);
    color: #ffffff;
    border: 4px solid;
    border-color: var(--theme-main) #0a0914 #0a0914 var(--theme-main);
    padding: 14px 20px;
    font-size: 14px;
    cursor: pointer;
    text-transform: uppercase;
    width: 100%;
    margin-top: 10px;
}

.mc-btn:hover {
    background-color: var(--mc-highlight);
}

.mc-btn:active {
    border-color: #0a0914 var(--theme-main) var(--theme-main) #0a0914;
    background-color: #10121f;
}

.mc-btn-success {
    background-color: var(--theme-main);
    border-color: var(--theme-light) var(--theme-dark) var(--theme-dark) var(--theme-light);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
}

.mc-btn-success:hover {
    background-color: var(--theme-hover);
}

.flex-row {
    display: flex;
    gap: 15px;
}

.flex-row > * {
    flex: 1;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .grid-2, .flex-row {
        grid-template-columns: 1fr;
        flex-direction: column;
    }
}

#empty-state {
    color: var(--theme-hover);
    text-align: center;
    margin-top: 30px;
    font-family: 'Minecraft', sans-serif;
    font-size: 10px;
    line-height: 1.6;
}

#icon-preview {
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    border: 2px dashed var(--theme-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(36, 68, 92, 0.2);
    overflow: hidden;
    image-rendering: pixelated;
}

#icon-preview span {
    font-size: 8px;
    color: var(--theme-hover);
    text-align: center;
    line-height: 1.2;
}

#icon-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}