:root {
    --bg-color: #08090a;
    --card-bg: #121317;
    --card-border: #23252a;
    --accent-red: #8b0000;
    --accent-red-hover: #b30000;
    --accent-blue: #274b72;
    --text-main: #dfdcdf;
    --text-muted: #8b8d93;
    --text-faded: #54575d;
    --blood-red: rgba(139, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding: 24px;
    min-height: 100vh;
    /* Subtle DBD fog/vignette gradient */
    background-image: radial-gradient(circle at 50% 0%, #15161a 0%, #08090a 60%);
}

/* Navigation */
.category-nav {
    max-width: 1400px;
    margin: 0 auto 20px auto;
    display: flex;
    gap: 12px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 12px;
}

.category-btn {
    background-color: transparent;
    color: var(--text-muted);
    border: none;
    font-size: 1.25rem;
    font-weight: 700;
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 4px;
    transition: color 0.15s ease-out, background 0.15s ease-out;
}

.category-btn:hover {
    color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

.category-btn.active {
    color: #fff;
    border-bottom: 3px solid var(--accent-red);
    background: linear-gradient(to top, var(--blood-red), transparent);
}

/* Header & Controls */
header {
    max-width: 1400px;
    margin: 0 auto 20px auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 1.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    gap: 10px;
}

h1 span {
    color: #ff3333;
    font-size: 1rem;
    background: rgba(139, 0, 0, 0.2);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(139, 0, 0, 0.5);
}

.controls { display: flex; gap: 12px; }

.history-menu {
    position: relative;
}

.history-menu summary {
    display: block;
    list-style: none;
    background-color: #1a1c23;
    color: var(--text-main);
    border: 1px solid var(--card-border);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
    transition: background 0.15s ease-out, border-color 0.15s ease-out;
}

.history-menu summary:hover {
    background-color: #262933;
    border-color: #3b3f4d;
}

.history-menu summary::-webkit-details-marker { display: none; }

.history-list {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 10;
    width: min(320px, calc(100vw - 32px));
    max-height: 280px;
    overflow-y: auto;
    padding: 6px 0;
    list-style: none;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
}

.history-list li {
    padding: 9px 12px;
    color: var(--text-main);
    font-size: 0.8rem;
    border-bottom: 1px solid var(--card-border);
}

.history-list li:last-child { border-bottom: none; }
.history-list .history-time { color: var(--text-muted); }
.history-list .history-empty { color: var(--text-muted); }

button.btn:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    transform: none;
}

button.btn {
    background-color: #1a1c23;
    color: var(--text-main);
    border: 1px solid var(--card-border);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
    transition: background 0.15s ease-out, border-color 0.15s ease-out, transform 0.1s;
}

button.btn:hover {
    background-color: #262933;
    border-color: #3b3f4d;
    transform: translateY(-1px);
}
button.btn:active { transform: translateY(1px); }

button.btn-danger {
    background-color: rgba(139, 0, 0, 0.15);
    border-color: var(--accent-red);
    color: #ff4d4d;
}

button.btn-danger:hover { background-color: rgba(139, 0, 0, 0.3); }

/* Showcases */
.showcases {
    max-width: 1400px;
    margin: 0 auto 24px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.showcase-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.showcase-card.most-seen::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
}

.showcase-card.least-seen::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background-color: var(--accent-blue);
    box-shadow: 0 0 10px var(--accent-blue);
}

.showcase-avatar {
    width: 64px;
    height: 64px;
    background-color: #050505;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-muted);
    flex-shrink: 0;
    border: 1px solid var(--card-border);
    overflow: hidden;
}

.showcase-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.showcase-info { display: flex; flex-direction: column; gap: 4px; }
.showcase-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); font-weight: 600; }
.showcase-title { font-size: 1.1rem; font-weight: bold; color: #fff; text-shadow: 0 1px 2px #000; }
.showcase-stat { font-size: 0.85rem; color: var(--text-faded); }
.showcase-stat span { color: var(--text-main); font-weight: bold; }

/* Grid Layouts - Handling Dimensions */
.grid-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

/* Killers get a denser grid for 1:1 portraits */
.killers-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }

/* Maps get a wider grid for 16:9 banners */
.maps-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.item-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.15s ease-out, border-color 0.15s ease-out, box-shadow 0.15s ease-out;
    position: relative;
}

.item-card:hover {
    transform: translateY(-4px);
    border-color: #484f58;
    box-shadow: 0 8px 16px rgba(0,0,0,0.6);
    z-index: 2;
}

/* Adds a subtle dark vignette to the bottom of the card */
.item-card::after {
    content:'';
    position:absolute;
    inset:0;
    background: radial-gradient(circle at center, transparent 50%, rgba(0,0,0,0.3) 100%);
    pointer-events: none;
}

.portrait-container {
    width: 100%;
    background-color: #050505;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--card-border);
}

/* ASPECT RATIO ENFORCEMENT PREVENTS WARPING */
.killers-grid .portrait-container { aspect-ratio: 1 / 1; }
.maps-grid .portrait-container { aspect-ratio: 16 / 9; }

.portrait-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: opacity 0.2s ease-out, transform 0.3s ease-out;
}

.item-card:hover .portrait-container img {
    opacity: 1;
    transform: scale(1.05); /* fast/minor animation */
    filter: contrast(1.1);
}

.portrait-placeholder {
    font-size: 2rem;
    color: var(--text-faded);
    font-weight: bold;
    position: absolute;
}

/* Card Info */
.item-info {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
    justify-content: space-between;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.3));
    z-index: 1;
}

.item-name {
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-main);
    text-shadow: 0 1px 2px #000;
    letter-spacing: 0.5px;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.current-streak { font-size: 1.2rem; font-weight: bold; color: #fff; }
.current-label { font-size: 0.65rem; text-transform: uppercase; color: var(--text-muted); }
.prev-streak { font-size: 0.8rem; color: var(--text-faded); font-family: monospace; }

.encounter-btn {
    background-color: var(--accent-red);
    color: white;
    border: 1px solid #a30000;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.15s ease-out, transform 0.1s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.encounter-btn:hover {
    background-color: var(--accent-red-hover);
    border-color: #ff3333;
}

.encounter-btn:active { transform: scale(0.97); }

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease-out;
    backdrop-filter: blur(3px);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--card-bg);
    border: 1px solid var(--accent-red);
    padding: 24px;
    border-radius: 4px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 0 20px rgba(139,0,0,0.2);
    transform: translateY(20px);
    transition: transform 0.2s ease-out;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal h3 { margin-bottom: 12px; color: #fff; text-transform: uppercase; letter-spacing: 1px; }
.modal p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: center; }