/* Reset and Base Styles */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #1a202c; /* Dark background */
    color: #cbd5e0; /* Light gray text */
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Prevent body scrollbars */
}

/* Header Section */
.header {
    background-color: #2d3748; /* Slightly lighter dark */
    padding: 0.75rem 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: max-height 0.4s ease-out, opacity 0.3s ease, padding 0.3s ease;
    overflow: hidden;
    flex-shrink: 0; /* Prevent header from shrinking */
    position: fixed; /* Overlay the map instead of pushing it */
    top: 55px; /* below persistent button row */
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
}

.header.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    border-bottom: none; /* Hide border when collapsed */
    pointer-events: none; /* Allow clicks on the map */
}

.title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap; /* Allow wrapping on small screens */
}

h1 {
    margin: 0;
    font-size: 1.5rem;
    color: #e2e8f0; /* Brighter text for title */
    flex-shrink: 0; /* Prevent shrinking */
}

.header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: #a0aec0; /* Dimmer info text */
    flex-shrink: 0; /* Prevent shrinking */
    margin-left: auto; /* Push info to the right */
}

/* Controls Section */
.controls-section {
    margin-bottom: 0.75rem;
}

.controls {
    border: 1px solid #4a5568;
    padding: 0.75rem;
    border-radius: 4px;
    background-color: #2d3748;
}

.controls h2 {
    width: 100%;
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: #a0aec0;
    border-bottom: 1px solid #4a5568;
    padding-bottom: 0.25rem;
}

.control-group {
    /* Layout handled by Bootstrap grid */
}

label {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
    color: #a0aec0;
    white-space: nowrap;
}

input[type="number"],
input[type="color"],
input[type="range"] {
    width: 100%;
    padding: 0.4rem;
    background-color: #1a202c;
    border: 1px solid #4a5568;
    border-radius: 0.25rem;
    color: #e2e8f0;
    box-sizing: border-box; /* Include padding/border in width */
    font-size: 0.875rem;
}

input[type="color"] {
    padding: 0.2rem; /* Color inputs often need less padding */
    min-height: 30px; /* Ensure color input clickable area */
}

input[type="range"] {
    cursor: pointer;
    padding: 0;
    height: 20px;
}

input[type="checkbox"] {
    width: auto;
    height: 16px;
    margin-right: 0.5rem;
}

/* Buttons */
.button-row {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050; /* Above header */
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    background-color: #2d3748;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid #4a5568;
}

/* File input styling */
.file-input-container {
    position: relative;
    display: inline-block;
    vertical-align: middle; /* Align with other buttons */
}

.file-input {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

/* Header Toggle Button */
.header-toggle {
    position: fixed;
    top: 60px; /* Align with moved header */
    right: 5px;
    z-index: 1060; /* Above header */
}
.header-toggle .btn {
     padding: 0.3rem 0.6rem;
     font-size: 0.75rem;
}

/* Map Container */
.map-container {
    flex: 1; /* Take remaining vertical space */
    overflow: hidden; /* Crucial for pan/zoom */
    position: relative; /* For loading overlay */
    background-color: #2d3748; /* Default background color */
    cursor: grab; /* Default cursor for panning */
    user-select: none; /* Prevent text selection */
    -webkit-user-select: none; /* Safari */
    touch-action: none; /* Prevent browser default touch actions like scroll/zoom */
}

.map-container.panning {
    cursor: grabbing; /* Cursor while panning */
}

/* Cursor Modes */
.map-container.token-add-mode canvas { cursor: copy; }
.map-container.token-remove-mode canvas { cursor: not-allowed; }
.map-container.token-dragging canvas { cursor: move; }
.map-container.token-hover canvas { cursor: pointer; } /* When over a token */

/* Tooltip for token notes */
.token-tooltip {
    position: absolute;
    max-width: 200px;
    background-color: rgba(0, 0, 0, 0.85);
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    z-index: 1010;
    pointer-events: none;
    display: none;
    white-space: pre-wrap;
}

canvas {
    display: block; /* Remove extra space below canvas */
    background-color: transparent;
}

.map-layer {
    position: absolute;
    top: 0;
    left: 0;
}

#map-layer {
    background-color: transparent;
    z-index: 0;
    pointer-events: none;
}

#annotation-layer { 
    z-index: 2; 
}

.loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(45, 55, 72, 0.8); /* Semi-transparent overlay */
    color: white;
    font-size: 1.25rem;
    z-index: 10;
}

/* Debug Info Panel */
#debug-info {
    position: fixed;
    bottom: 5px;
    left: 5px;
    background-color: rgba(0, 0, 0, 0.75);
    color: #0f0; /* Green debug text */
    padding: 8px;
    font-size: 11px;
    font-family: monospace;
    max-width: 350px;
    max-height: 150px;
    overflow: auto;
    z-index: 1000;
    border-radius: 3px;
    display: none; /* Toggled by JS */
    border: 1px solid #4a5568;
}

#debug-info > div {
    margin-bottom: 3px;
    white-space: pre-wrap; /* Wrap long debug lines */
}

/* Status Indicator */
#status-indicator {
    display: none; /* Shown by JS */
    padding: 3px 10px;
    border-radius: 3px;
    background-color: #4299e1; /* Default info color */
    color: white;
    font-size: 0.8rem;
    margin-left: 5px; /* Space from previous element */
    font-weight: bold;
    animation: fadeInOut 4s ease-in-out;
}

@keyframes fadeInOut {
  0%, 100% { opacity: 0; }
  10%, 90% { opacity: 1; }
}

/* Modal Styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1100; /* High z-index */
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* Darker overlay */
    backdrop-filter: blur(3px); /* Optional blur effect */
    -webkit-backdrop-filter: blur(3px);
}

.modal-content {
    background-color: #2d3748;
    color: #e2e8f0;
    margin: 10vh auto; /* Centered with margin top */
    padding: 20px;
    border-radius: 5px;
    border: 1px solid #4a5568;
    width: 90%;
    max-width: 600px; /* Max width */
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    position: relative; /* For close button positioning */
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid #4a5568;
    padding-bottom: 0.75rem;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.close {
    color: #a0aec0;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: white;
}

.modal-body {
    margin-bottom: 1rem;
}

.modal-body p {
    margin-top: 0;
    font-size: 0.9rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    border-top: 1px solid #4a5568;
    padding-top: 0.75rem;
}

textarea#export-json {
    width: 100%;
    height: 250px;
    background-color: #1a202c;
    color: #e2e8f0;
    border: 1px solid #4a5568;
    border-radius: 0.25rem;
    padding: 0.5rem;
    font-family: monospace;
    font-size: 0.8rem;
    resize: vertical;
    box-sizing: border-box;
}

textarea#token-notes-input {
    width: 100%;
    background-color: #1a202c;
    color: #e2e8f0;
    border: 1px solid #4a5568;
    border-radius: 0.25rem;
    padding: 0.4rem;
    font-size: 0.8rem;
    resize: vertical;
    box-sizing: border-box;
    min-height: 60px;
}

#info-bar {
    position: fixed;
    bottom: 15px;
    left: 15px;
    background-color: rgba(25, 71, 186, 0.2); /* more transparent for glass effect */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px); /* Safari support */
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    z-index: 1000;
    display: flex;
    gap: 15px;
    align-items: center;
    font-size: 14px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); /* subtle shadow for contrast */
    border: 1px solid rgba(255, 255, 255, 0.15); /* frosted border */
}

#support-bar {
    position: fixed;
    bottom: 15px;
    right: 15px;
    background-color: rgba(25, 71, 186, 0.2); /* more transparent for glass effect */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px); /* Safari support */
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    z-index: 1000;
    display: flex;
    gap: 15px;
    align-items: center;
    font-size: 14px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); /* subtle shadow for contrast */
    border: 1px solid rgba(255, 255, 255, 0.15); /* frosted border */
}

#support-bar .icon {
    font-size: 20px;
    color: white;
    opacity: 0.5;
    line-height: 1;
}

#support-bar a {
    color: white;
    text-decoration: none;
}

#support-bar a:hover {
    text-decoration: underline;
}

#zoom-display, #coord-display {
    padding: 2px 8px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

#undo-btn, #redo-btn {
    padding: 2px 6px;
    font-size: 0.7rem;
}

/* Material Icons */
.material-symbols-outlined {
    font-family: "Material Symbols Outlined";
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 48;
    font-size: inherit;
    line-height: 1;
}

/* Library List Styling */
#library-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #4a5568;
}

#library-list li:last-child {
    border-bottom: none;
}

#library-list li span {
    flex: 1;
    margin-right: 10px;
    font-size: 0.9rem;
}

#library-list li div {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

#library-list .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

#storage-info {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: rgba(74, 85, 104, 0.3);
    border-radius: 0.25rem;
    color: #a0aec0;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 0.5rem;
    }

    .title-bar {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    h1 {
        font-size: 1.25rem;
    }

    /* Layout managed by Bootstrap grid on smaller screens */

    .button-row {
        padding: 0.25rem 0.5rem;
        gap: 0.25rem;
    }

    .btn-sm {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }

    #info-bar {
        bottom: 10px;
        left: 10px;
        font-size: 12px;
        padding: 6px 8px;
        gap: 10px;
    }

    #support-bar {
        bottom: 10px;
        right: 10px;
        padding: 6px 8px;
        gap: 10px;
    }

    #library-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    #library-list li div {
        align-self: stretch;
        justify-content: space-between;
    }
}

@media (max-width: 576px) {
    /* Controls stack vertically via Bootstrap grid */

    .button-row {
        flex-direction: column;
        gap: 0.5rem;
        align-items: stretch;
    }

    .button-row > * {
        width: 100%;
        text-align: center;
    }

    .d-none.d-sm-inline-block,
    .d-none.d-md-inline-block {
        display: none !important;
    }

    #info-bar {
        flex-direction: column;
        gap: 5px;
        font-size: 11px;
    }

    #coord-display {
        display: none; /* Hide coordinates on very small screens */
    }
}

/* Focus and Accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #4299e1;
    outline-offset: 2px;
}

/* Selection Colors */
::selection {
    background-color: #4299e1;
    color: white;
}

::-moz-selection {
    background-color: #4299e1;
    color: white;
}

/* Scrollbar Styling for Webkit browsers */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #2d3748;
}

::-webkit-scrollbar-thumb {
    background: #4a5568;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #718096;
}