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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.5;
    min-width: 400px;
}

nav {
    background: #2c3e50;
    color: #fff;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

nav .nav-title {
    font-weight: 600;
    margin-right: auto;
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    padding: 0.25rem;
}

.nav-toggle-label span {
    display: block;
    width: 22px;
    height: 2px;
    background: #bdc3c7;
    margin: 5px 0;
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

nav a {
    color: #bdc3c7;
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

nav a:hover {
    color: #fff;
}

nav a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

@media (max-width: 640px) {
    .nav-toggle-label {
        display: block;
    }

    .nav-links {
        display: none;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-top: 0.5rem;
    }

    .nav-toggle:checked ~ .nav-links {
        display: flex;
    }

    .nav-links a {
        padding: 0.5rem 0.25rem;
    }

    .nav-links .nav-logout {
        margin-left: 0;
        padding-top: 0.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        margin-top: 0.25rem;
    }

    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

main {
    max-width: 800px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

h1 {
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

main > p {
    margin-bottom: 1rem;
    color: #666;
}

/* Flash messages */
.flash {
    padding: 0.75rem 2rem 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    position: relative;
    animation: flash-fade 5s ease-in forwards;
}

.flash-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0;
    margin: 0;
    line-height: 1;
}

.flash-close:hover {
    opacity: 1;
}

@keyframes flash-fade {
    0%, 60% { opacity: 1; max-height: 4rem; margin-bottom: 1rem; padding-top: 0.75rem; padding-bottom: 0.75rem; }
    80% { opacity: 0; max-height: 4rem; margin-bottom: 1rem; padding-top: 0.75rem; padding-bottom: 0.75rem; }
    100% { opacity: 0; max-height: 0; margin-bottom: 0; padding-top: 0; padding-bottom: 0; overflow: hidden; pointer-events: none; }
}

.flash.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Config form */
fieldset {
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
    background: #fff;
}

legend {
    font-weight: 600;
    padding: 0 0.5rem;
    color: #2c3e50;
}

.form-row {
    padding: 0.75rem;
    border-left: 3px solid transparent;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.form-row:last-child {
    margin-bottom: 0;
}

.form-row.overridden {
    border-left-color: #3498db;
    background: #f0f7ff;
}

.var-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}

.override-label {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    cursor: pointer;
    white-space: nowrap;
}

.override-label input[type="checkbox"] {
    cursor: pointer;
}

.description {
    color: #777;
    font-size: 0.85rem;
}

.var-value {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-left: 1.4rem;
}

.var-value input[type="text"] {
    width: 100%;
    padding: 0.35rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
}

.var-value input[type="text"]:disabled {
    background: #f0f0f0;
    color: #999;
    border-color: #e0e0e0;
}

.default-badge {
    font-size: 0.8rem;
    color: #888;
    white-space: nowrap;
}

.default-badge.unset {
    font-style: italic;
}

button[type="submit"] {
    background: #2c3e50;
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    margin-top: 0.5rem;
}

button[type="submit"]:hover {
    background: #34495e;
}

/* Server controls */
.server-controls {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.status-row {
    margin-bottom: 0.75rem;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-indicator.idle .status-dot {
    background: #27ae60;
}

.status-indicator.rebuilding .status-dot,
.status-indicator.restarting .status-dot,
.status-indicator.stopping .status-dot {
    background: #f39c12;
}

.button-row {
    display: flex;
    justify-content: space-between;
}

.button-row > div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    max-width: 180px;
}

.btn {
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    color: #fff;
}

.btn-rebuild {
    background: #2c3e50;
}

.btn-rebuild:hover:not(:disabled) {
    background: #34495e;
}

.btn-restart {
    background: #2980b9;
}

.btn-restart:hover:not(:disabled) {
    background: #3498db;
}

.btn-stop {
    background: #c0392b;
}

.btn-stop:hover:not(:disabled) {
    background: #e74c3c;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-hint {
    font-size: 0.8rem;
    color: #888;
    text-align: center;
}

h2 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

/* Login form */
.login-form {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1.5rem;
    max-width: 320px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.login-field label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2c3e50;
}

.password-wrapper {
    display: flex;
    gap: 0.5rem;
}

.password-wrapper input {
    flex: 1;
    padding: 0.4rem 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.95rem;
}

.password-toggle {
    background: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 0.4rem 0.6rem;
    font-size: 0.8rem;
    color: #555;
    cursor: pointer;
    white-space: nowrap;
}

.password-toggle:hover {
    background: #f0f0f0;
    border-color: #999;
}

/* Nav logout button */
.nav-logout {
    margin-left: auto;
    display: flex;
    align-items: center;
}

.nav-logout button {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #bdc3c7;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
}

.nav-logout button:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}

/* Game log panels */
.log-panel {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.log-panel-header {
    margin-bottom: 0.5rem;
}

.log-panel-name {
    font-weight: 600;
    color: #2c3e50;
}

.log-panel-path {
    font-size: 0.8rem;
    color: #888;
    font-family: monospace;
    margin-left: 0.75rem;
}

/* Log viewer */
.log-output {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.4;
    max-height: 70vh;
    overflow-y: auto;
}

/* Game config editor */
.cfg-path {
    font-family: monospace;
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 0.75rem;
}

.cfg-new {
    color: #856404;
    font-style: italic;
}

.cfg-editor {
    width: 100%;
    min-height: 60vh;
    font-family: monospace;
    font-size: 0.85rem;
    line-height: 1.4;
    background: #1e1e1e;
    color: #d4d4d4;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 1rem;
    resize: vertical;
    tab-size: 4;
    white-space: pre;
    overflow-wrap: normal;
    overflow-x: auto;
}

.cfg-editor:focus {
    outline: 2px solid #3498db;
    outline-offset: -1px;
}

/* WebSocket connection status */
.ws-status {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 0.5rem;
}

.log-error {
    color: #721c24;
    background: #f8d7da;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    border: 1px solid #f5c6cb;
}