@font-face {
    font-family: "RE1Font";
    src: url("fonts/BiohazardFE.otf") format("opentype");
}

@font-face {
    font-family: "CompactaBold";
    src: url("fonts/CompactaBold.otf") format("opentype");
}

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

body {
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.re1-screen {
    background: var(--bg-color);
    width: 800px;
    height: 100vh;
    height: 100dvh;
    position: relative;
}

@media (max-width: 800px) {
    .re1-screen {
        width: 100vw;
    }
}

/* RE1 theme */
.re1 {
    --text-color: #d8d4cc;
    --bg-color: #000000;
    --arrow-color: #2a8c2a;
    --exit-color: #7a7a7a;
    --font-size: clamp(18px, 3.5vw, 38px);
    --line-height: 1;
}

#file-viewer {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    padding: clamp(16px, 4vh, 40px) 0;
    image-rendering: pixelated;
}

.file-content {
    flex: 1;
    overflow: visible;
    padding: 0 clamp(6px, 1.5vw, 10px);
    display: flex;
    align-items: center;
}

.file-content.slide-out-left,
.file-content.slide-out-right,
.file-content.slide-in-left,
.file-content.slide-in-right {
    overflow: hidden;
}

.file-content.image-page {
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    image-rendering: pixelated;
    filter: brightness(0.75) contrast(1.2) saturate(0.5) sepia(0.3);
}

#page-text {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: var(--font-size);
    line-height: var(--line-height);
    color: var(--text-color);
    letter-spacing: 2px;
    white-space: pre-wrap;
    -webkit-font-smoothing: none;
    -moz-osx-font-smoothing: unset;
    text-shadow:
        0 0 2px rgba(216, 212, 204, 0.3),
        1px 1px 0 rgba(0, 0, 0, 0.5);
}

.nav-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 clamp(10px, 2vw, 20px);
    opacity: 1;
    transition: opacity 0.15s;
}

.nav-btn:hover {
    opacity: 0.8;
}

.nav-btn.hidden {
    visibility: hidden;
}

/* Green triangle arrows */
.arrow {
    display: inline-block;
    width: 0;
    height: 0;
}

.arrow.left,
.arrow.right {
    border-top: clamp(6px, 1.2vw, 10px) solid transparent;
    border-bottom: clamp(6px, 1.2vw, 10px) solid transparent;
}

.arrow.left {
    border-right: clamp(8px, 1.6vw, 14px) solid var(--arrow-color);
}

.arrow.right {
    border-left: clamp(8px, 1.6vw, 14px) solid var(--arrow-color);
}

.arrow.down {
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 10px solid var(--exit-color);
}

.exit-label {
    display: none;
    font-family: "RE1Font", "Courier New", monospace;
    font-size: clamp(24px, 4vw, 47px);
    color: var(--exit-color);
    letter-spacing: 0px;
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.5);
}

.exit-label.visible {
    display: block;
}

/* Page slide transitions */
.file-content {
    position: relative;
}

.file-content.slide-out-left {
    animation: slideOutLeft 0.2s ease-in forwards;
}

.file-content.slide-out-right {
    animation: slideOutRight 0.2s ease-in forwards;
}

.file-content.slide-in-left {
    animation: slideInLeft 0.2s ease-out forwards;
}

.file-content.slide-in-right {
    animation: slideInRight 0.2s ease-out forwards;
}

@keyframes slideOutLeft {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(-100%);
        opacity: 0;
    }
}

@keyframes slideOutRight {
    0% {
        transform: translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes slideInLeft {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Upload screen */
#upload-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(16px, 4vh, 30px);
    padding: 20px;
}

.logo-group {
    text-align: center;
}

.re-logo {
    font-family: "CompactaBold", sans-serif;
    font-size: clamp(28px, 7vw, 64px);
    color: #8b0000;
    text-align: center;
    line-height: 1;
    letter-spacing: clamp(2px, 0.8vw, 6px);
    text-transform: uppercase;
    text-shadow:
        0 0 20px rgba(139, 0, 0, 0.6),
        0 0 40px rgba(139, 0, 0, 0.3),
        2px 2px 0 rgba(0, 0, 0, 0.8);
}

.re-logo-sub {
    font-family: "CompactaBold", sans-serif;
    font-size: clamp(10px, 2vw, 18px);
    color: var(--text-color);
    letter-spacing: clamp(4px, 1.5vw, 12px);
    margin-top: 4px;
    text-shadow: 0 0 10px rgba(216, 212, 204, 0.2);
}

.re-logo-accent {
    color: #8b0000;
    text-shadow:
        0 0 20px rgba(139, 0, 0, 0.6),
        0 0 40px rgba(139, 0, 0, 0.3),
        2px 2px 0 rgba(0, 0, 0, 0.8);
}

#upload-screen.dragover {
    outline: 2px dashed var(--arrow-color);
    outline-offset: -10px;
}

/* Main action - game select */
.main-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(10px, 2vh, 16px);
    width: 100%;
    max-width: 420px;
}

.game-select {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: clamp(12px, 2vw, 18px);
    color: var(--text-color);
    background: transparent;
    border: 1px solid var(--exit-color);
    padding: 10px 36px 10px 14px;
    letter-spacing: 2px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    text-align: center;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0 L6 8 L12 0' fill='%237a7a7a'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.game-select:focus {
    outline: 1px solid var(--arrow-color);
    border-color: var(--arrow-color);
}

.game-select option {
    background: #111;
    color: var(--text-color);
    font-family: "RE1Font", "Courier New", monospace;
    text-align: left;
}

.game-select option:disabled {
    color: var(--exit-color);
}

.re1-action-btn {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: clamp(14px, 2.5vw, 24px);
    color: var(--arrow-color);
    background: none;
    border: none;
    padding: 6px 0;
    letter-spacing: 3px;
    cursor: pointer;
    transition: opacity 0.15s;
    text-shadow: 0 0 4px rgba(42, 140, 42, 0.3);
}

.re1-action-btn:hover {
    opacity: 0.7;
}

/* Divider */
.upload-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 420px;
}

.divider-line {
    flex: 1;
    height: 1px;
    background: var(--exit-color);
    opacity: 0.3;
}

.divider-text {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: clamp(10px, 1.5vw, 14px);
    color: var(--exit-color);
    letter-spacing: 4px;
}

/* Upload */
.upload-btn {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: clamp(12px, 2vw, 18px);
    color: var(--exit-color);
    letter-spacing: 2px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: color 0.15s;
}

.upload-btn:hover {
    color: var(--text-color);
}

.credits {
    font-family: sans-serif;
    font-size: 12px;
    color: #555;
    position: absolute;
    bottom: 16px;
}

.credits a {
    color: #777;
    text-decoration: underline;
}

.credits a:hover {
    color: #999;
}

.back-btn {
    --arrow-color: #666;
    position: absolute;
    top: clamp(16px, 3vh, 30px);
    left: clamp(16px, 4vw, 40px);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    opacity: 0.7;
    transition: opacity 0.15s;
    z-index: 1;
}

.back-btn:hover {
    opacity: 1;
}

/* File list screen */
#file-list-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(16px, 3vh, 30px) clamp(16px, 4vw, 40px);
}

.file-list-header {
    flex-shrink: 0;
    margin-bottom: clamp(10px, 2vh, 20px);
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: clamp(2px, 0.5vh, 6px);
    width: 100%;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--arrow-color) rgba(255, 255, 255, 0.05);
}

.file-list::-webkit-scrollbar {
    width: 6px;
}

.file-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.file-list::-webkit-scrollbar-thumb {
    background: var(--arrow-color);
    border-radius: 0;
}

.file-list::-webkit-scrollbar-thumb:hover {
    background: #3dcc3d;
}

.file-list-item {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: clamp(12px, 2vw, 20px);
    color: var(--text-color);
    letter-spacing: 2px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    padding: clamp(4px, 0.8vh, 6px) 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: color 0.15s;
    flex-shrink: 0;
}

.file-list-item:hover {
    color: var(--arrow-color);
}

.file-list-item .arrow {
    flex-shrink: 0;
}

/* Title screen */
#title-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.title-row {
    display: flex;
    align-items: center;
    gap: clamp(10px, 2vw, 20px);
}

.title-text {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: var(--font-size);
    color: var(--text-color);
    letter-spacing: 3px;
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.5);
}

/* Filed screen */
.hidden {
    display: none !important;
}

#filed-screen {
    display: flex;
    align-items: flex-end;
    padding: 0 clamp(12px, 3vw, 24px) clamp(24px, 6vh, 50px);
}

.filed-title {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: var(--font-size);
    color: #3dcc3d;
    letter-spacing: 4px;
    margin-bottom: 4px;
    text-shadow: 0 0 4px rgba(61, 204, 61, 0.3);
}

.filed-subtitle {
    font-family: "RE1Font", "Courier New", monospace;
    font-size: var(--font-size);
    color: #8a9a8a;
    letter-spacing: 4px;
    margin-bottom: 8px;
    text-shadow: 0 0 2px rgba(138, 154, 138, 0.2);
    min-height: 1em;
}

.filed-arrow {
    display: inline-block;
    margin-left: 8px;
    vertical-align: middle;
}

.filed-arrow .arrow {
    animation: arrowBlink 1s infinite;
}

.nav-btn .arrow {
    animation: arrowBlink 1s infinite;
}

@keyframes arrowBlink {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* Scanline overlay for retro feel */
.re1-screen::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.08) 2px,
        rgba(0, 0, 0, 0.08) 4px
    );
    pointer-events: none;
}