/* --- Color Palette & Fonts --- */
:root {
    --black: #000000;
    --deep-blue: #060885;
    --hot-pink: #df3f8b;
    --cyan: #00caeb;
    --header-font: 'Press Start 2P', cursive;
    --body-font: 'VT323', monospace;
}

/* --- General Setup & Background --- */
body {
    background-color: var(--black);
    color: var(--cyan);
    font-family: var(--body-font);
    font-size: 22px;
    line-height: 1.6;
    margin: 0;
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Retrowave Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to bottom, var(--hot-pink), var(--cyan)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px 100px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px 100px);
    background-blend-mode: multiply;
    opacity: 0.3;
    z-index: -1;
    pointer-events: none;
}

.container {
    width: 100%;
    max-width: 600px;
    z-index: 1;
}

/* --- Header --- */
.main-header h1 {
    font-family: var(--header-font);
    font-size: 2rem;
    color: var(--hot-pink);
    text-align: center;
    margin-bottom: 0.5rem;
    /* Metallic Sheen */
    background: linear-gradient(to bottom, var(--hot-pink) 50%, #ff89c4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.main-header p {
    color: var(--cyan);
    letter-spacing: 0.3em;
    font-size: 1rem;
    text-align: center;
    margin-bottom: 3rem;
}

/* --- Tabs, Forms, Buttons etc. --- */
.tab-nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; background-color: var(--deep-blue); border: 2px solid var(--cyan); padding: 5px; margin-bottom: 2rem; box-shadow: inset 0 0 10px var(--cyan); }
.tab-button { background-color: transparent; border: 2px solid var(--cyan); color: var(--cyan); font-family: var(--header-font); font-size: 0.7rem; padding: 0.8rem 0.5rem; cursor: pointer; transition: all 0.3s ease; }
.tab-button:hover { background-color: var(--cyan); color: var(--black); }
.tab-button.active { background-color: var(--hot-pink); color: var(--black); border-color: var(--hot-pink); box-shadow: 0 0 10px var(--hot-pink); }
.main-form, .result-box, .guide-box { background-color: rgba(0, 0, 0, 0.7); border: 2px solid var(--hot-pink); padding: 2rem; box-shadow: 0 0 15px var(--hot-pink), inset 0 0 10px rgba(223, 63, 139, 0.5); }
h2 { font-family: var(--header-font); font-size: 1.2rem; color: var(--hot-pink); text-align: center; margin-bottom: 1.5rem; }
label { display: block; margin-bottom: 0.5rem; font-weight: bold; color: var(--cyan); }
textarea, input[type="text"] { width: 100%; background-color: #000; border: 2px solid var(--cyan); color: var(--cyan); padding: 0.8rem; font-family: var(--body-font); font-size: 1.2rem; box-sizing: border-box; margin-bottom: 1rem; transition: box-shadow 0.3s ease-in-out; }
textarea:focus, input[type="text"]:focus { outline: none; box-shadow: 0 0 15px var(--cyan); }
.sub-category-button { font-family: var(--body-font); font-size: 1rem; background-color: var(--deep-blue); border: 1px solid var(--cyan); color: var(--cyan); padding: 0.5rem; cursor: pointer; transition: all 0.2s ease; }
.sub-category-button.active { background-color: var(--cyan); color: var(--black); box-shadow: 0 0 8px var(--cyan); }
.sub-category-buttons-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(80px, 1fr)); gap: 10px; margin-bottom: 1.5rem; }
.submit-container, .results-actions { text-align: center; margin-top: 1.5rem; }
.submit-button { font-family: var(--header-font); font-size: 1rem; color: var(--cyan); background-color: transparent; border: 2px solid var(--cyan); padding: 1rem 2rem; cursor: pointer; transition: all 0.3s ease; }
.submit-button:hover:not(:disabled) { color: var(--hot-pink); border-color: var(--hot-pink); box-shadow: 0 0 15px var(--hot-pink); }
.submit-button:disabled { color: #4a5568; border-color: #4a5568; cursor: not-allowed; }
.submit-button.secondary { border-color: var(--cyan); color: var(--cyan); margin-top: 1rem; }
.submit-button.secondary:hover { border-color: var(--white); color: var(--white); }

/* --- Results --- */
.result-header { text-align: center; border-bottom: 2px solid var(--hot-pink); padding-bottom: 1rem; margin-bottom: 1rem; }
.result-text { line-height: 1.8; }

/* --- Loading Overlay --- */
.loading-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: 1000; display: flex; justify-content: center; align-items: center; }
.loading-content { text-align: center; }
.loading-text { font-family: var(--header-font); font-size: 1.1rem; color: var(--hot-pink); text-shadow: 0 0 5px var(--hot-pink); margin-bottom: 2rem; }
.loader { border: 4px solid var(--deep-blue); border-top: 4px solid var(--hot-pink); border-radius: 50%; width: 60px; height: 60px; animation: spin 1s linear infinite; margin: 0 auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* --- Accordion --- */
.accordion-item { border-bottom: 1px solid var(--cyan); }
.accordion-header { width: 100%; background: none; border: none; color: var(--hot-pink); text-align: left; padding: 1rem 0; font-family: var(--header-font); font-size: 0.8rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.accordion-content.open { max-height: 500px; padding-bottom: 1rem; }
.chevron-icon { font-family: monospace; font-size: 1.5rem; transition: transform 0.3s ease; }
.chevron-icon.open { transform: rotate(45deg); }