:root {
    --bg-deep: #000810;
    --bg-ocean: radial-gradient(circle at center, #001f24 0%, #000810 100%);
    --glass-bg: rgba(0, 25, 30, 0.6);
    --glass-border: rgba(0, 255, 255, 0.15);
    --accent-glow: #00ffff;
    --text-primary: #e0fbfc;
    --text-secondary: #94d2bd;
    --accent-atomic: #39ff14;
    --accent-shadow: #bc13fe;
    --accent-electric: #00d2ff;
    --accent-bone: #ffffff;
}

.layout {
    display: flex;
    height: 100vh;
}

body {
    margin: 0;
    background: var(--bg-ocean);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-primary);
    overflow-x: hidden;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background: rgba(0, 15, 20, 0.8);
    backdrop-filter: blur(15px);
    border-right: 1px solid var(--glass-border);
    padding: 30px 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 30px;
    z-index: 1000;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
    z-index: 90;
}

.sidebar-backdrop.hidden {
    display: none;
}

.sidebar.collapsed {
    transform: translateX(-260px);
    opacity: 0;
    visibility: hidden;
}

.main-sidebar-toggle,
.main-sidebar-close {
    position: fixed;
    top: 16px;
    left: 16px;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 15, 20, 0.85);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 200;
    box-shadow: 0 8px 18px rgba(0,0,0,0.35);
}

.main-sidebar-close {
    left: 240px;
}

.main-sidebar-close-inner {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 15, 20, 0.85);
    color: var(--text-primary);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    z-index: 110;
}

@media (min-width: 901px) {
    .main-sidebar-toggle,
    .main-sidebar-close {
        display: none;
    }
}

@media (max-width: 900px) {
    .sidebar {
        box-shadow: 0 12px 30px rgba(0,0,0,0.45);
        border-right: 1px solid rgba(0, 255, 255, 0.2);
        transform: translateX(-260px);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }

    body:not(.sidebar-collapsed) .sidebar {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .main-sidebar-close-inner {
        display: flex;
    }

    body.sidebar-collapsed .main-sidebar-toggle {
        display: flex;
    }

    body.sidebar-collapsed .main-sidebar-close {
        display: none;
    }

    body:not(.sidebar-collapsed) .main-sidebar-toggle {
        display: none;
    }

    body:not(.sidebar-collapsed) .main-sidebar-close {
        display: flex;
    }

    body.sidebar-collapsed .sidebar {
        transform: translateX(-260px);
        opacity: 0;
        visibility: hidden;
    }

    body.sidebar-collapsed .main {
        margin-left: 0;
        width: 100%;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    padding-left: 20px;
}

.logo img {
    height: 40px;
    width: auto;
    flex-shrink: 0;
    object-fit: contain;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo span {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(180deg, #ffffff 0%, #88aaaa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.menu {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.menu-item:hover {
    background: rgba(0, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.1);
}

.menu-item.active {
    background: rgba(0, 255, 255, 0.1);
    border-color: rgba(0, 255, 255, 0.3);
}

.menu-item img {
    width: 24px;
    height: 24px;
}

#filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
    padding: 10px;
    background: var(--glass-bg);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.filter-toggle-btn {
    position: fixed;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 15, 20, 0.85);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    box-shadow: 0 8px 18px rgba(0,0,0,0.35);
}

.filter-toggle-btn img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.filter-popover {
    position: fixed;
    top: 72px;
    right: 16px;
    width: min(320px, 90vw);
    background: rgba(0, 15, 20, 0.92);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 14px;
    box-shadow: 0 16px 28px rgba(0,0,0,0.45);
    z-index: 210;
}

.filter-popover.hidden {
    display: none;
}

@media (min-width: 901px) {
    .filter-toggle-btn {
        display: none;
    }

    .filter-popover,
    .filter-popover.hidden {
        position: static;
        top: auto;
        right: auto;
        width: auto;
        display: block;
        background: transparent;
        border: none;
        border-radius: 0;
        padding: 0;
        box-shadow: none;
        z-index: auto;
    }

    #filters {
        width: fit-content;
        max-width: 100%;
        padding: 12px;
        margin-bottom: 32px;
    }
}

.filter-btn {
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid rgba(0, 255, 255, 0.1);
    background: rgba(0, 40, 50, 0.4);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-btn:hover,
.filter-btn.active {
    transform: translateY(-2px);
    border-color: var(--accent-glow);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    background: rgba(0, 255, 255, 0.1);
}

.filter-btn img {
    width: 32px;
    height: 32px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
    padding: 10px;
}

.equipment-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 12px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.equipment-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-glow);
    box-shadow: 0 8px 25px rgba(0, 255, 255, 0.15);
}

.equipment-img-wrapper {
    width: 100%;
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.equipment-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(0, 255, 255, 0.2));
}

.equipment-name {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    padding-top: 5px;
}

.main {
    margin-left: 240px;
    padding: 40px;
    width: calc(100% - 240px);
    box-sizing: border-box;
}

/* Detail Page Specific Styling */
.equipment-top {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    margin-bottom: 40px;
}

#equipment-splash {
    width: 300px;
    height: 300px;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(0, 255, 255, 0.3));
}

.equipment-right h1 {
    font-family: var(--font-heading);
    font-size: 42px;
    margin: 0 0 15px 0;
    letter-spacing: -0.5px;
}

.equipment-right p {
    margin: 10px 0;
    color: var(--text-secondary);
    font-size: 18px;
}

#detail-description {
    margin-top: 20px;
    font-size: 19px;
    line-height: 1.7;
    color: var(--text-primary);
    max-width: 700px;
}

/* Highlight variable numbers in abilities */
.highlight {
    color: #ff9900;
    font-weight: bold;
}

.section-material-tier {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(0, 30, 40, 0.4);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    justify-content: flex-start;
    width: 100%;
    box-sizing: border-box;
}

.material-box-wrapper {
    flex: 1 1 auto;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 40px;
}

.material-container h3 {
    font-family: var(--font-heading);
    margin: 0 0 15px 0;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-glow);
}

.material-box {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    width: fit-content;
}

.mat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 75px;
    height: 95px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(0, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.2s ease;
}

.mat-item:hover {
    border-color: var(--accent-glow);
    background: rgba(0, 255, 255, 0.05);
}

.mat-item img {
    width: 40px;
    height: 40px;
    margin-bottom: 8px;
}

.mat-item span {
    font-size: 13px;
    font-weight: 700;
}

.tier-box {
    flex: 0 1 350px;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-left: 40px;
    border-left: 1px solid rgba(255, 255, 255, 0.05);
}

.tier-box h2 {
    font-family: var(--font-heading);
    margin: 0 0 20px 0;
    font-size: 14px;
    text-transform: uppercase;
}

#tier-slider {
    width: 100%;
    margin-bottom: 15px;
}

#tier-label {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--accent-glow);
}

.section-effects {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.section-effects section,
#section-ability {
    flex: 1;
    background: rgba(0, 30, 40, 0.4);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
}

#section-ability {
    margin-top: 0;
}

.section-effects h2,
#section-ability h2 {
    font-family: var(--font-heading);
    margin: 0 0 20px 0;
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-glow);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 12px;
}

.section-effects p,
#section-ability p {
    line-height: 1.8;
    color: var(--text-primary);
    font-size: 18px;
}

/* Custom coloring for elements if needed */
[data-element="atomic"] {
    --glow: var(--accent-atomic);
}

[data-element="shadow"] {
    --glow: var(--accent-shadow);
}

[data-element="bioelectric"] {
    --glow: var(--accent-electric);
}

[data-element="bone"] {
    --glow: var(--accent-bone);
}

.equipment-card[data-element]:hover {
    border-color: var(--glow);
    box-shadow: 0 8px 30px rgba(var(--glow-rgb), 0.2);
}

@media (max-width: 900px) {
    .main {
        padding: 28px;
    }

    #filters {
        margin-bottom: 0;
        padding: 0;
        background: transparent;
        border: none;
        border-radius: 0;
    }

    .equipment-top {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }

    #equipment-splash {
        width: 220px;
        height: 220px;
    }

    .equipment-right h1 {
        font-size: 32px;
        text-align: center;
    }

    .equipment-right p {
        font-size: 16px;
        text-align: center;
    }

    #detail-description {
        font-size: 16px;
        line-height: 1.6;
        max-width: 100%;
        text-align: left;
    }

    .section-material-tier {
        padding: 22px;
        gap: 24px;
    }

    .material-box-wrapper {
        gap: 24px;
    }

    .tier-box {
        flex: 1 1 100%;
        min-width: auto;
        padding-left: 0;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 20px;
    }

    #tier-label {
        font-size: 20px;
    }

    .section-effects {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .section-effects section,
    #section-ability {
        padding: 22px;
    }
}

@media (max-width: 600px) {
    .main {
        padding: 20px;
    }

    #equipment-splash {
        width: 180px;
        height: 180px;
    }

    .equipment-right h1 {
        font-size: 26px;
    }

    .equipment-right p {
        font-size: 14px;
    }

    #detail-description {
        font-size: 15px;
    }

    .mat-item {
        width: 64px;
        height: 82px;
        border-radius: 14px;
    }

    .mat-item img {
        width: 32px;
        height: 32px;
    }

    .section-effects h2,
    #section-ability h2 {
        font-size: 16px;
    }

    .section-effects p,
    #section-ability p {
        font-size: 15px;
    }
}