* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body { 
    margin: 0; 
    padding: 0; 
}

#map { 
    height: 100vh; 
    width: 100%; 
}

/* Navigation */
nav {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.9);
    border-radius: 50px;
    padding: 12px 16px;
    gap: 16px;
    z-index: 1000;
    flex-wrap: wrap;
    max-width: 92%;
}

nav button,
nav a {
    background: none;
    border: none;
    color: white;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

nav a[href*="github.com"] {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
}

nav a[href*="github.com"]:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

nav button:hover,
nav a:hover {
    opacity: 0.7;
}

nav button:focus-visible,
nav a:focus-visible,
dialog button:focus-visible,
dialog input:focus-visible,
dialog textarea:focus-visible {
    outline: 2px solid #111;
    outline-offset: 2px;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.08);
}

@media (max-width: 640px) {
    nav {
        gap: 10px;
        padding: 10px 12px;
        border-radius: 16px;
        width: calc(100% - 24px);
        left: 50%;
        transform: translateX(-50%);
        max-width: none;
    }

    nav button,
    nav a {
        flex: 1 1 120px;
        text-align: center;
        background: rgba(255, 255, 255, 0.08);
        border-radius: 12px;
    }
}

/* Dialog Styles */
dialog {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 640px;
    width: 90%;
    padding: 20px 20px 16px;
}

dialog::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

dialog h2 {
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 24px;
}

dialog p {
    margin: 0 0 12px 0;
    line-height: 1.6;
    color: #333;
}

dialog button {
    padding: 12px 16px;
    background: #f5f5f5;
    color: #111;
    border: 1px solid #d0d4da;
    border-radius: 10px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    margin: 0;
}

dialog button:hover {
    background: #ededed;
}

/* Submit dialog form */
dialog .lead {
    margin: 0 0 12px 0;
    color: #444;
    line-height: 1.5;
}

dialog form {
    display: grid;
    gap: 12px;
    margin-bottom: 12px;
}

dialog label {
    font-weight: 600;
    display: block;
}

dialog input,
dialog textarea {
    width: 100%;
    border-radius: 10px;
    border: 1px solid #ddd;
    padding: 12px;
    font-size: 16px;
    background: #fff;
}

dialog input:focus,
dialog textarea:focus {
    outline: 2px solid #111;
    border-color: #111;
}

dialog textarea {
    min-height: 90px;
    resize: vertical;
}

dialog .hint {
    font-size: 14px;
    color: #555;
    margin: -4px 0 0 0;
}

dialog .primary {
    background: #111;
    color: #fff;
    border-color: #111;
}

dialog .secondary {
    background: #f5f5f5;
    border-color: #d0d4da;
    color: #111;
}

dialog .status {
    padding: 12px;
    border-radius: 10px;
    font-size: 14px;
    display: none;
    line-height: 1.5;
}

dialog .status.show { display: block; }
dialog .status.info { background: #eef2ff; color: #1d2a60; border: 1px solid #d1d9ff; }
dialog .status.success { background: #e8f7ef; color: #0d5a2a; border: 1px solid #c4e8d4; }
dialog .status.error { background: #ffecec; color: #8f1c1c; border: 1px solid #ffc7c7; }

#previewMap {
    width: 100%;
    height: 280px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e5e5e5;
}

.dialog-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 12px;
}

.dialog-footer button {
    min-width: 140px;
    padding: 10px 16px;
}