:root {
    --bg: #0a0a0a;
    --surface: #111;
    --text: #e0e0e0;
    --text-secondary: #888;
    --border: #2a2a2a;
    --accent: #ffffff;
    --font: 'JetBrains Mono', 'Courier New', monospace;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    font-size: 13px;
    letter-spacing: -0.2px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}

#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.25;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    color: var(--accent);
    font-size: 12px;
    letter-spacing: 2px;
    text-decoration: none;
    text-transform: uppercase;
    white-space: nowrap;
}

.logo:hover {
    opacity: 0.75;
}

.nav-links {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.nav-links a,
.nav-btn {
    border: 1px solid var(--border);
    padding: 6px 12px;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s;
    background: transparent;
    text-decoration: none;
    color: var(--text);
    white-space: nowrap;
    cursor: pointer;
    font-family: inherit;
}

.nav-links a:hover,
.nav-btn:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--bg);
}

.nav-links a.active {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--bg);
    font-weight: 700;
}

.btn-login {
    border-color: var(--accent) !important;
    color: var(--accent) !important;
    font-weight: 700;
}

.btn-login:hover {
    background: var(--accent) !important;
    color: var(--bg) !important;
}

.user-badge {
    border: 1px solid var(--accent);
    padding: 6px 12px;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.avatar-dot {
    width: 20px;
    height: 20px;
    background: var(--accent);
    color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
    flex-shrink: 0;
}

.avatar-dot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

main {
    flex: 1;
    padding: 40px 20px;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

main.centered {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
}

.card {
    border: 1px solid var(--border);
    padding: 28px;
    margin-bottom: 16px;
    background: var(--surface);
    transition: border-color 0.25s;
}

.card:hover {
    border-color: var(--accent);
}

.card.centered {
    text-align: center;
}

.card.narrow {
    max-width: 440px;
    width: 100%;
}

h1 {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 24px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
}

h2 {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 14px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.text-secondary {
    color: var(--text-secondary);
    font-size: 11px;
    letter-spacing: 0.5px;
}

.small-text {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

strong {
    color: var(--accent);
    font-weight: 700;
}

.btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 24px;
    font-family: inherit;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.25s;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--bg);
}

.btn-accent {
    border-color: var(--accent);
    color: var(--bg);
    background: var(--accent);
    font-weight: 700;
}

.btn-accent:hover {
    opacity: 0.85;
}

.btn-outline {
    border-color: var(--border);
    color: var(--text-secondary);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--bg);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 10px;
}

.btn-block {
    width: 100%;
    display: block;
}

.btn-danger {
    border-color: #ff4444 !important;
    color: #ff4444 !important;
    background: transparent;
}

.btn-danger:hover {
    background: #ff4444 !important;
    color: #fff !important;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    border: 1px solid var(--border);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.tag.accent {
    border-color: var(--accent);
    color: var(--accent);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
    margin-bottom: 32px;
}

.input-field {
    background: #000;
    border: 1px solid var(--border);
    padding: 12px 16px;
    width: 100%;
    color: var(--text);
    font-family: inherit;
    font-size: 12px;
    margin-bottom: 12px;
    outline: none;
    transition: border-color 0.25s;
}

.input-field:focus {
    border-color: var(--accent);
}

.input-field::placeholder {
    color: #444;
}

.error-msg {
    color: #ff5555;
    font-size: 10px;
    margin-bottom: 8px;
    display: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.key-box {
    background: #000;
    border: 1px solid var(--border);
    padding: 16px;
    font-size: 11px;
    word-break: break-all;
    color: var(--accent);
    margin: 0;
    user-select: text;
    -webkit-user-select: text;
    font-family: inherit;
    line-height: 1.6;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.avatar-large {
    width: 52px;
    height: 52px;
    background: var(--accent);
    color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    border: 2px solid var(--accent);
    flex-shrink: 0;
}

.avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-upload {
    margin-top: 6px;
}

.avatar-upload-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    cursor: pointer;
    border: 1px solid var(--border);
    padding: 4px 10px;
    transition: all 0.2s;
    display: inline-block;
}

.avatar-upload-label:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.avatar-upload input {
    display: none;
}

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

.key-item {
    border: 1px solid var(--border);
    padding: 16px;
    background: #000;
}

.key-item .key-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.key-item .key-date {
    font-size: 9px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.key-item .key-tag {
    font-size: 8px;
    border: 1px solid var(--border);
    padding: 2px 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.key-item .key-tag.new {
    border-color: var(--accent);
    color: var(--accent);
}

.empty-keys {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 11px;
}

.rules-list {
    list-style: none;
    padding-left: 0;
}

.rules-list li {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 8px;
    line-height: 1.7;
}

.rules-list li::before {
    content: '— ';
    color: var(--accent);
}

.admin-section {
    margin-bottom: 28px;
}

.admin-key-list {
    margin-top: 16px;
}

.admin-key-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border: 1px solid var(--border);
    margin-bottom: 6px;
    font-size: 10px;
    background: #000;
    flex-wrap: wrap;
    gap: 8px;
}

.admin-key-item .key-text {
    flex: 1;
    word-break: break-all;
    color: var(--accent);
    min-width: 0;
}

.admin-key-item .key-info {
    font-size: 8px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.text-success {
    color: #3dd68c;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 20px 0;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 28px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 28px; }

.flex-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    text-align: center;
    padding: 24px 20px;
    font-size: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: auto;
    position: relative;
    z-index: 1;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 8px;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--accent);
}

.author {
    color: var(--accent);
    letter-spacing: 2px;
    font-size: 11px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 10px;
        padding: 14px 16px;
    }
    .nav-links {
        width: 100%;
    }
    .nav-links a,
    .nav-btn {
        padding: 5px 10px;
        font-size: 8px;
    }
    main {
        padding: 24px 16px;
    }
    h1 {
        font-size: 18px;
        letter-spacing: 2px;
    }
    h2 {
        font-size: 14px;
    }
    .grid-3 {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .card {
        padding: 20px 16px;
    }
    .btn {
        width: 100%;
        padding: 14px 16px;
        margin-bottom: 8px;
    }
    .flex-row {
        flex-direction: column;
    }
    .flex-row .btn {
        width: 100%;
    }
    .profile-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .admin-key-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 380px) {
    .nav-links a,
    .nav-btn {
        padding: 4px 8px;
        font-size: 7px;
        letter-spacing: 0.5px;
    }
    .logo {
        font-size: 10px;
    }
    h1 {
        font-size: 16px;
    }
    .key-box {
        font-size: 10px;
        padding: 12px;
    }
}