@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;600;700&family=Share+Tech+Mono&display=swap');

:root {
    --bg: #0a0c0f;
    --bg2: #0f1218;
    --bg3: #141820;
    --border: #1e2530;
    --green: #00ff88;
    --green-dim: #00cc6a;
    --green-dark: #003322;
    --cyan: #00d4ff;
    --red: #ff4757;
    --yellow: #ffd32a;
    --purple: #9c88ff;
    --text: #c8d3e0;
    --text-dim: #5a6a7a;
    --text-bright: #e8f0f8;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scanline overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 255, 136, 0.015) 2px,
            rgba(0, 255, 136, 0.015) 4px);
    pointer-events: none;
    z-index: 100;
}

/* Header */
.header {
    border-bottom: 1px solid var(--border);
    padding: 24px 32px;
    background: var(--bg2);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.logo:hover .logo-main,
.logo:focus-visible .logo-main {
    color: var(--green-dim);
}

.logo:hover .logo-icon,
.logo:focus-visible .logo-icon {
    border-color: var(--green-dim);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.logo-icon {
    width: 36px;
    height: 36px;
    border: 2px solid var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 8px var(--green);
    }

    50% {
        box-shadow: 0 0 20px var(--green), 0 0 40px rgba(0, 255, 136, 0.3);
    }
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: 'Share Tech Mono', monospace;
    font-size: 18px;
    color: var(--green);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.logo-sub {
    font-size: 10px;
    color: var(--text-dim);
    letter-spacing: 2px;
}

.stats {
    display: flex;
    gap: 24px;
    font-size: 11px;
    color: var(--text-dim);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat-num {
    font-size: 18px;
    color: var(--cyan);
    font-weight: 600;
}

/* Search */
.search-bar {
    display: flex;
    align-items: center;
    background: var(--bg3);
    border: 1px solid var(--border);
    padding: 10px 16px;
    gap: 10px;
    transition: border-color 0.2s;
}

.search-bar:focus-within {
    border-color: var(--green);
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.15);
}

.search-prompt {
    color: var(--green);
    font-size: 14px;
    white-space: nowrap;
}

.search-input {
    background: none;
    border: none;
    outline: none;
    color: var(--text-bright);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    flex: 1;
    caret-color: var(--green);
}

.search-input::placeholder {
    color: var(--text-dim);
}

.search-count {
    font-size: 11px;
    color: var(--text-dim);
    white-space: nowrap;
}

.search-options {
    display: flex;
    align-items: center;
    gap: 6px;
}

.search-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.8px;
    padding: 3px 8px;
    cursor: pointer;
    transition: all 0.15s;
}

.search-toggle:hover {
    border-color: var(--green-dim);
    color: var(--green-dim);
}

.search-toggle.active {
    border-color: var(--green);
    color: var(--green);
    background: rgba(0, 255, 136, 0.08);
}

/* Filter tabs */
.filters {
    display: flex;
    gap: 4px;
    padding: 16px 32px;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 6px 14px;
    cursor: pointer;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.15s;
}

.filter-btn:hover {
    border-color: var(--green-dim);
    color: var(--green-dim);
}

.filter-btn.active {
    background: var(--green-dark);
    border-color: var(--green);
    color: var(--green);
}

/* Main content */
.main {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: calc(100vh - 160px);
}

/* Sidebar index */
.sidebar {
    border-right: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 120px;
    height: calc(100vh - 120px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.sidebar-title {
    font-size: 10px;
    color: var(--text-dim);
    letter-spacing: 2px;
    padding: 0 16px 12px;
    text-transform: uppercase;
}

.letter-group {
    margin-bottom: 4px;
}

.letter-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    font-size: 13px;
    color: var(--text-dim);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s;
}

.letter-link:hover,
.letter-link.active {
    color: var(--green);
    background: rgba(0, 255, 136, 0.05);
    padding-left: 20px;
}

.letter-link .count {
    font-size: 10px;
    color: var(--text-dim);
}

/* Content area */
.content {
    padding: 24px 40px;
    overflow-y: auto;
}

/* Letter section */
.letter-section {
    margin-bottom: 32px;
}

.letter-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.letter-char {
    font-family: 'Share Tech Mono', monospace;
    font-size: 32px;
    color: var(--green);
    line-height: 1;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.letter-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
}

/* Term card */
.term-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-left: 3px solid transparent;
    margin-bottom: 8px;
    transition: all 0.2s;
    cursor: pointer;
}

.term-card:hover {
    border-left-color: var(--green);
    background: var(--bg3);
    transform: translateX(2px);
}

.term-card.expanded {
    border-left-color: var(--cyan);
    border-color: rgba(0, 212, 255, 0.3);
}

.term-header {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
}

.term-name {
    font-family: 'Share Tech Mono', monospace;
    font-size: 15px;
    color: var(--text-bright);
    flex: 1;
    letter-spacing: 1px;
}

.term-name mark {
    background: rgba(0, 255, 136, 0.25);
    color: var(--green);
    padding: 0 2px;
}

.term-tag {
    font-size: 9px;
    padding: 3px 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid;
}

.tag-pentest {
    color: var(--red);
    border-color: rgba(255, 71, 87, 0.4);
    background: rgba(255, 71, 87, 0.08);
}

.tag-network {
    color: var(--cyan);
    border-color: rgba(0, 212, 255, 0.4);
    background: rgba(0, 212, 255, 0.08);
}

.tag-crypto {
    color: var(--purple);
    border-color: rgba(156, 136, 255, 0.4);
    background: rgba(156, 136, 255, 0.08);
}

.tag-malware {
    color: var(--red);
    border-color: rgba(255, 71, 87, 0.4);
    background: rgba(255, 71, 87, 0.08);
}

.tag-social {
    color: var(--yellow);
    border-color: rgba(255, 211, 42, 0.4);
    background: rgba(255, 211, 42, 0.08);
}

.tag-defense {
    color: var(--green);
    border-color: rgba(0, 255, 136, 0.4);
    background: rgba(0, 255, 136, 0.08);
}

.tag-web {
    color: #ff9f43;
    border-color: rgba(255, 159, 67, 0.4);
    background: rgba(255, 159, 67, 0.08);
}

.tag-mobile {
    color: #54a0ff;
    border-color: rgba(84, 160, 255, 0.4);
    background: rgba(84, 160, 255, 0.08);
}

.tag-forensics {
    color: #a29bfe;
    border-color: rgba(162, 155, 254, 0.4);
    background: rgba(162, 155, 254, 0.08);
}

.term-toggle {
    color: var(--text-dim);
    font-size: 12px;
    transition: transform 0.2s;
    width: 16px;
    text-align: center;
}

.term-card.expanded .term-toggle {
    transform: rotate(90deg);
    color: var(--cyan);
}

.term-body {
    display: none;
    padding: 0 16px 14px 16px;
    border-top: 1px solid var(--border);
    margin-top: 0;
}

.term-card.expanded .term-body {
    display: block;
}

.term-def {
    font-size: 13px;
    color: var(--text);
    line-height: 1.7;
    padding-top: 12px;
}

.term-def .highlight {
    color: var(--green-dim);
}

.term-def .cmd {
    font-family: 'Share Tech Mono', monospace;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    padding: 1px 6px;
    font-size: 12px;
    color: var(--cyan);
}

.term-tools {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px dashed rgba(0, 212, 255, 0.25);
}

.term-lab {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px dashed rgba(0, 255, 136, 0.2);
    color: var(--text);
    font-size: 12px;
}

.tools-label {
    color: var(--text-dim);
    font-size: 11px;
    margin-right: 8px;
    letter-spacing: 0.5px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-dim);
}

.empty-state .code {
    font-size: 48px;
    color: var(--border);
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 13px;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 0 32px 24px;
}

.page-btn {
    background: var(--bg3);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 8px 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.page-btn:hover:not(:disabled) {
    border-color: var(--green-dim);
    color: var(--green);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    min-width: 140px;
    text-align: center;
    color: var(--text-dim);
    font-size: 12px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

/* Animations */
.term-card {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .main {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .content {
        padding: 16px;
    }

    .header {
        padding: 16px;
    }

    .filters {
        padding: 12px 16px;
    }

    .stats {
        display: none;
    }

    .search-bar {
        flex-wrap: wrap;
        row-gap: 8px;
    }

    .search-options {
        order: 3;
        width: 100%;
    }

    .pagination {
        padding: 0 16px 16px;
        gap: 8px;
    }

    .page-btn {
        padding: 7px 10px;
        font-size: 10px;
    }

    .page-info {
        min-width: 120px;
        font-size: 11px;
    }
}