body, html {
    margin: 0;
    padding: 0;
    font-family: 'Courier New', Courier, monospace;
    background-color: #0d1117;
    color: #c9d1d9;
    height: 100vh;
}

.screen {
    width: 100%;
    height: 100%;
}

.hidden {
    display: none !important;
}

/* Login Screen */
#login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background-color: #161b22;
    padding: 40px;
    border: 1px solid #30363d;
    border-radius: 6px;
    text-align: center;
}

.login-box h1 {
    color: #58a6ff;
    margin-top: 0;
}

#handle-input {
    width: 100%;
    padding: 10px;
    margin: 15px 0;
    background-color: #0d1117;
    color: #c9d1d9;
    border: 1px solid #30363d;
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
}

#btn-login {
    background-color: #238636;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
}

#btn-login:hover {
    background-color: #2ea043;
}

.btn-leaderboard-login {
    display: block;
    width: 100%;
    background: transparent;
    color: #8b949e;
    border: 1px solid #30363d;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    margin-top: 10px;
    box-sizing: border-box;
    transition: color 0.2s, border-color 0.2s;
}

.btn-leaderboard-login:hover {
    color: #c9d1d9;
    border-color: #8b949e;
}

/* SIEM Screen */
.siem-container {
    display: flex;
    flex-direction: column;
}

.siem-header {
    background-color: #161b22;
    padding: 15px 20px;
    border-bottom: 1px solid #30363d;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left h1 {
    margin: 0;
    font-size: 1.5rem;
    color: #58a6ff;
}

.status {
    font-size: 0.9rem;
    margin-top: 5px;
}

.status-ok {
    color: #3fb950;
    font-weight: bold;
}

.status-alert {
    color: #f85149;
    font-weight: bold;
}

#btn-leaderboard {
    background-color: #1f6feb;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
}

#btn-leaderboard:hover {
    background-color: #388bfd;
}

.main-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    padding: 20px;
    gap: 20px;
}

.logs-section {
    flex: 2;
    background-color: #161b22;
    border: 1px solid #30363d;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.logs-header {
    padding: 15px;
    background-color: #21262d;
    border-bottom: 1px solid #30363d;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logs-header h2 {
    margin: 0;
    font-size: 1.2rem;
}

.search-bar {
    display: flex;
    gap: 10px;
}

#search-input, #filter-event {
    padding: 6px;
    background-color: #0d1117;
    color: #c9d1d9;
    border: 1px solid #30363d;
    border-radius: 4px;
    font-family: inherit;
}

#search-input {
    width: 250px;
}

.table-container {
    flex: 1;
    overflow-y: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px 15px;
    text-align: left;
    border-bottom: 1px solid #30363d;
    font-size: 0.9rem;
    word-break: break-all;
}

th {
    background-color: #0d1117;
    position: sticky;
    top: 0;
    z-index: 1;
}

tbody tr:hover {
    background-color: #21262d;
}

.log-alert {
    color: #f85149;
    background-color: rgba(248, 81, 73, 0.1);
}

.analysis-section {
    flex: 1;
    background-color: #161b22;
    border: 1px solid #30363d;
    border-radius: 6px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
}

.analysis-section h2 {
    margin: 0;
    color: #58a6ff;
}

.options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 15px;
}

.btn-option {
    background-color: #21262d;
    color: #c9d1d9;
    border: 1px solid #30363d;
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.btn-option:hover {
    background-color: #30363d;
}

#feedback-modal {
    margin-top: 20px;
    padding: 15px;
    background-color: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
}

#feedback-title {
    margin-top: 0;
}

#btn-next-level, #btn-restart-level {
    background-color: #238636;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    margin-top: 10px;
}

#btn-restart-level {
    background-color: #da3633;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.modal-content {
    background-color: #161b22;
    padding: 30px;
    border: 1px solid #30363d;
    border-radius: 6px;
    width: 500px;
    max-width: 90%;
    position: relative;
}

.modal-content h2 {
    color: #58a6ff;
    margin-top: 0;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
}

.close-btn:hover {
    color: #f85149;
}

/* Leaderboard reset */
.reset-section {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #30363d;
    text-align: center;
}

.btn-reset-toggle {
    background: transparent;
    color: #6e7681;
    border: 1px solid #30363d;
    padding: 5px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    transition: color 0.2s, border-color 0.2s;
}

.btn-reset-toggle:hover { color: #f85149; border-color: #f85149; }

.reset-form {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    justify-content: center;
    align-items: center;
}

.reset-form input[type="password"] {
    padding: 6px 10px;
    background: #0d1117;
    color: #c9d1d9;
    border: 1px solid #30363d;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.88rem;
    width: 150px;
}

.btn-reset-confirm {
    background: #da3633;
    color: white;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: bold;
}

.btn-reset-confirm:hover { background: #f85149; }

.reset-message {
    margin: 10px 0 0;
    font-size: 0.85rem;
    font-weight: bold;
}

/* Bonus Question Section */
.bonus-section {
    margin-top: 18px;
    padding: 14px 16px;
    background-color: #161b22;
    border: 1px solid #3d3010;
    border-radius: 6px;
}

.bonus-header {
    margin-bottom: 10px;
}

.bonus-badge {
    display: inline-block;
    background-color: #3d2e00;
    color: #e3a816;
    font-size: 0.78rem;
    font-weight: bold;
    letter-spacing: 0.04em;
    padding: 3px 10px;
    border-radius: 12px;
    border: 1px solid #6b4f00;
    margin-bottom: 8px;
}

#bonus-question {
    margin: 6px 0 0;
    font-size: 0.92rem;
    color: #c9d1d9;
}

.bonus-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

.btn-bonus-option {
    background-color: #21262d;
    color: #c9d1d9;
    border: 1px solid #30363d;
    padding: 8px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    text-align: left;
    transition: background-color 0.15s, border-color 0.15s;
}

.btn-bonus-option:hover:not(:disabled) {
    background-color: #30363d;
    border-color: #8b949e;
}

.btn-bonus-option:disabled {
    cursor: default;
    opacity: 0.8;
}

.btn-bonus-option.bonus-correct {
    background-color: rgba(63, 185, 80, 0.15);
    border-color: #3fb950;
    color: #3fb950;
    font-weight: bold;
}

.btn-bonus-option.bonus-wrong {
    background-color: rgba(248, 81, 73, 0.12);
    border-color: #f85149;
    color: #f85149;
}

.bonus-result {
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.88rem;
    background-color: #0d1117;
    border-left: 3px solid #8b949e;
}

.bonus-result.correct {
    border-left-color: #3fb950;
    color: #3fb950;
}

.bonus-result.wrong {
    border-left-color: #f85149;
    color: #c9d1d9;
}

/* Music Player Widget */
.music-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}
.music-toggle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 2px solid #30363d;
    background: #161b22;
    color: #58a6ff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s, border-color 0.15s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.music-toggle:hover { border-color: #58a6ff; transform: scale(1.08); }
.music-panel {
    width: 300px;
    border-radius: 8px;
    overflow: hidden;
    display: none;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    border: 1px solid #30363d;
}
.music-panel.open { display: block; }