/* Reset and Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body, html {
    height: 100%;
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow: hidden; /* Prevent scrollbars, map handles panning */
}

/* Map Container */
#map {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

/* Map Crosshair */
#map-crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 900;
}
#map-crosshair::before, #map-crosshair::after {
    content: '';
    position: absolute;
    background: rgba(0,0,0,0.6);
}
#map-crosshair::before { top: 9px; left: 0; width: 20px; height: 2px; }
#map-crosshair::after { top: 0; left: 9px; width: 2px; height: 20px; }

/* Top Navigation Bar */
.navbar {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 1000; /* Above map */
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.brand {
    font-weight: bold;
    font-size: 1.2rem;
    color: #333;
    text-decoration: none;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    margin-left: 20px;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #000;
}

/* Search Bar in Navbar */
.nav-search {
    flex: 1;
    margin: 0 20px;
    display: flex;
    max-width: 400px;
}
.nav-search input {
    width: 100%;
    padding: 5px 10px;
    border: 1px solid #ccc;
    border-radius: 4px 0 0 4px;
    outline: none;
}
.nav-search button {
    padding: 5px 10px;
    border: 1px solid #ccc;
    border-left: none;
    background: #f8f9fa;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}
.nav-search button:hover {
    background: #e2e6ea;
}

/* Right Collapsible Sidebar */
.sidebar {
    position: absolute;
    top: 60px; /* Below navbar */
    right: 0;
    bottom: 0;
    width: 300px;
    background-color: white;
    z-index: 1000;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease-in-out;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed {
    transform: translateX(300px);
}

/* Toggle Button attached to sidebar */
.sidebar-toggle {
    position: absolute;
    left: -40px;
    top: 10px;
    width: 40px;
    height: 40px;
    background-color: white;
    border: none;
    border-radius: 5px 0 0 5px;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    cursor: pointer;
    font-weight: bold;
    color: #555;
}

.sidebar-content {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.btn-new-pad {
    background-color: #007bff;
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
}

/* Center Location Button */
.btn-center-location {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    background-color: #17a2b8;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}
.btn-center-location:hover { background-color: #138496; }

/* Add Note Button (Themed) */
.btn-add-note {
    background-color: #28a745;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}
.btn-add-note:hover { background-color: #218838; }

/* --- Auth & Content Page Styles --- */

/* Use this class on body for login/register/about pages */
body.page-body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background: #f4f4f4;
    overflow: auto; /* Allow scrolling */
}

.auth-container, .content-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 100%;
}

.auth-container {
    max-width: 400px;
}

.content-container {
    max-width: 800px;
    margin: 20px auto;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.btn {
    width: 100%;
    padding: 0.75rem;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}
.btn:hover { opacity: 0.9; }
.btn-primary { background: #007bff; }
.btn-success { background: #28a745; }

.links { margin-top: 1rem; text-align: center; font-size: 0.9rem; }

/* Ensure buttons on content pages are white */
.content-container .btn { color: white; }

/* --- Modals --- */
.modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal.hidden { display: none; }

.modal-content {
    background: white;
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 400px;
    position: relative;
}

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

.btn-secondary { background: #6c757d; margin-top: 10px; }

/* Sidebar Note Items */
.sidebar-note-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}
.sidebar-note-item:hover {
    background-color: #f9f9f9;
}

/* Map Note Card (Zoomed In) */
.map-note-card {
    background: white;
    padding: 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    width: 200px;
    font-size: 0.85rem;
    border: 1px solid #ddd;
    white-space: normal;
}

/* Sidebar Sections */
.list-section {
    border-bottom: 1px solid #f0f0f0;
}

.list-section-header,
.btn-toggle-section {
    width: 100%;
    text-align: left;
    background: #fff;
    border: none;
    padding: 12px 15px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
    transition: background-color 0.2s;
}
.list-section-header:hover,
.btn-toggle-section:hover {
    background-color: #f8f9fa;
    color: #333;
}

.notepad-item:hover {
    background-color: #fafafa;
}