/* Repo-style industrial theme */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #121212 0%, #0d0d0d 100%);
    color: #d6d6d6;
    min-height: 100vh;
}

/* Subtle grain overlay */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: url('https://www.transparenttextures.com/patterns/asfalt-dark.png');
    opacity: 0.15;
    pointer-events: none;
}

header {
    background: linear-gradient(90deg, #1a1a1a 0%, #111 100%);
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.6);
}

h1 {
    color: #cfcfcf;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 6px rgba(255, 255, 255, 0.15);
}

.tagline {
    color: #8a8a8a;
    font-style: italic;
}

.tagline a {
    color: #7c8c6b;
    text-decoration: none;
}

nav {
    background: #1a1a1a;
    padding: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.nav-btn {
    background: #1b1b1b;
    color: #b5c2a9;
    border: 2px solid #3a3a3a;
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.25s ease;
}

.nav-btn:hover {
    background: #7c8c6b;
    color: #121212;
    transform: translateY(-2px);
    box-shadow: 0 0 8px rgba(124, 140, 107, 0.4);
}

.nav-btn.active {
    background: #7c8c6b;
    color: #121212;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.section {
    display: none;
    animation: fadeIn 0.5s ease;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.search-box {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    background: #1b1b1b;
    border: 2px solid #3a3a3a;
    border-radius: 5px;
    color: #d6d6d6;
    font-size: 1rem;
}

.search-box:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(124, 140, 107, 0.4);
    border-color: #7c8c6b;
}

/* Tier Filter Buttons */
.tier-filter {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tier-btn {
    background: #1b1b1b;
    color: #8a8a8a;
    border: 2px solid #2a2a2a;
    padding: 0.5rem 1.2rem;
    cursor: pointer;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.25s ease;
}

.tier-btn:hover {
    border-color: #7c8c6b;
    color: #b5c2a9;
}

.tier-btn.active {
    background: #7c8c6b;
    color: #121212;
    border-color: #7c8c6b;
    font-weight: bold;
}

/* Tier Headers */
.tier-header {
    font-size: 1.1rem;
    font-weight: bold;
    letter-spacing: 2px;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    margin: 1.5rem 0 1rem 0;
    text-transform: uppercase;
}

.tier1-header {
    background: linear-gradient(90deg, #1a2a1a, #121212);
    border-left: 4px solid #6f8f5f;
    color: #6f8f5f;
}

.tier2-header {
    background: linear-gradient(90deg, #2a2414, #121212);
    border-left: 4px solid #a68b4a;
    color: #a68b4a;
}

.tier3-header {
    background: linear-gradient(90deg, #2a1414, #121212);
    border-left: 4px solid #a64a4a;
    color: #a64a4a;
}

/* NEW tag */
.new-tag {
    display: inline-block;
    background: #a64a4a;
    color: #fff;
    font-size: 0.65rem;
    font-weight: bold;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    margin-left: 0.4rem;
    vertical-align: middle;
    letter-spacing: 1px;
    animation: pulse-new 2s infinite;
}

@keyframes pulse-new {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.new-monster {
    border-color: #a64a4a !important;
    box-shadow: 0 0 8px rgba(166, 74, 74, 0.2);
}

.new-monster:hover {
    border-color: #c06060 !important;
    box-shadow: 0 4px 16px rgba(166, 74, 74, 0.35) !important;
}

.card {
    background: #1b1b1b;
    border: 2px solid #2a2a2a;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.25s ease;
}

.card:hover {
    border-color: #7c8c6b;
    box-shadow: 0 0 10px rgba(124, 140, 107, 0.25);
    transform: translateY(-4px);
}

.card h3 {
    color: #b5c2a9;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

.stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #2a2a2a;
}

.stat:last-child {
    border-bottom: none;
}

.stat-label {
    color: #8a8a8a;
}

.stat-value {
    color: #b5c2a9;
    font-weight: bold;
}

.tag {
    display: inline-block;
    background: #2a2a2a;
    color: #b5c2a9;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    margin: 0.2rem 0.2rem 0.6rem 0;
}

.upgrade-path {
    background: #1a1a1a;
    padding: 1rem;
    border-radius: 5px;
    margin-top: 1rem;
    line-height: 1.7;
}

/* Map section styles */
.map-container {
    background: #1a1a1a;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    margin-top: 1rem;
}

.map-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.5rem;
    margin-top: 1rem;
}

.map-cell {
    background: #1b1b1b;
    padding: 1rem;
    border: 1px solid #3a3a3a;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.map-cell:hover {
    transform: translateY(-2px);
}

/* Map difficulty colours */
.danger-high { border-color: #a64a4a !important; color: #a64a4a; }
.danger-medium { border-color: #a68b4a !important; color: #a68b4a; }
.danger-low { border-color: #6f8f5f !important; color: #6f8f5f; }

/* Map rank banners */
.map-rank {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.map-rank-easy    { background: #1a2a1a; color: #6f8f5f; border: 1px solid #6f8f5f; }
.map-rank-medium  { background: #2a2414; color: #a68b4a; border: 1px solid #a68b4a; }
.map-rank-hard    { background: #2a1414; color: #a64a4a; border: 1px solid #a64a4a; }

/* Tip box */
.tip-box {
    background: #1a1a1a;
    border-left: 4px solid #7c8c6b;
    padding: 1rem;
    margin: 1rem 0 0 0;
    border-radius: 0 5px 5px 0;
    line-height: 1.6;
}

.tip-box strong {
    color: #b5c2a9;
}

/* Search / filter results */
.no-results {
    text-align: center;
    color: #8a8a8a;
    padding: 2rem;
    font-size: 1.2rem;
}

/* Hide tier sections during filtering */
.tier-header.hidden,
.card-grid.hidden {
    display: none;
}

.monster-card.hidden {
    display: none !important;
}

/* Responsive tweaks */
@media (max-width: 600px) {
    h1 { font-size: 1.8rem; }
    .container { padding: 0 1rem; }
    .card-grid { grid-template-columns: 1fr; }
    .map-grid { grid-template-columns: repeat(2, 1fr); }
}