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

:root {
    --bg-color: #f5f5f5;
    --text-color: #333;
    --card-bg: white;
    --card-shadow: rgba(0, 0, 0, 0.1);
    --border-color: #ddd;
    --modal-overlay: rgba(0, 0, 0, 0.5);
    --input-bg: white;
    --input-text: #333;
    --heading-color: #2c3e50;
    --canvas-bg: white;
}

body.dark-mode {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --card-bg: #2d2d2d;
    --card-shadow: rgba(0, 0, 0, 0.5);
    --border-color: #444;
    --modal-overlay: rgba(0, 0, 0, 0.7);
    --input-bg: #444;
    --input-text: #e0e0e0;
    --heading-color: #e0e0e0;
    --canvas-bg: #333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 98%;
    margin: 0 auto;
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px var(--card-shadow);
    display: flex;
    flex-direction: column;
    height: 95vh;
}

h1,
h3 {
    text-align: center;
    color: var(--heading-color);
}

h1 {
    margin-bottom: 20px;
}

h3 {
    margin-bottom: 15px;
}

/* Canvas styles */
.canvas-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
    flex-grow: 1;
    /* Allow it to grow to fill container */
}

#canvas-container {
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-color);
    background-color: var(--canvas-bg);
    box-shadow: 0 1px 3px var(--card-shadow);
}

/* Controls */
.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 15px 0;
    flex-wrap: wrap;
    gap: 8px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    align-items: center;
    justify-content: center;
    color: white;
    flex-direction: column;
}

.modal.show {
    display: flex;
}

/* Dark Mode Table Overrides */
body.dark-mode .table {
    color: var(--text-color);
    border-color: var(--border-color);
}

body.dark-mode .table thead th {
    background-color: #3d3d3d;
    color: var(--text-color);
    border-color: var(--border-color);
}

body.dark-mode .table tbody td {
    background-color: var(--card-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}

body.dark-mode .table-striped>tbody>tr:nth-of-type(odd)>* {
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Ensure text muted is visible in dark mode */
body.dark-mode .text-muted {
    color: #aaa !important;
}

/* Furniture List Container Border */
body.dark-mode #furniture-list-container {
    border-color: var(--border-color) !important;
}

/* Fix Placeholder Contrast in Dark Mode */
body.dark-mode ::placeholder {
    color: #bbb;
    opacity: 1;
    /* Firefox */
}

body.dark-mode :-ms-input-placeholder {
    /* Internet Explorer 10-11 */
    color: #bbb;
}

body.dark-mode ::-ms-input-placeholder {
    /* Microsoft Edge */
    color: #bbb;
}

/* Builder Input/Button alignment fixes */
#paste-furniture-modal .row .form-control {
    margin-bottom: 0 !important;
    /* Remove generic bottom margin to allow align-items-end to work */
}

#builder-add-btn {
    padding: 10px;
    /* Match generic input padding defined in styles.css */
    height: 100%;
    /* Ensure it fills height if needed, though padding usually suffices */
    /* Adjust font-size if needed, but inheriting is likely fine */
    line-height: normal;
    /* Normalize line-height */
}

.modal-content {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    width: 400px;
    max-width: 90%;
    color: var(--text-color);
}

.modal-content input,
.modal-content textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    background-color: var(--input-bg);
    color: var(--input-text);
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 15px;
}

/* Theme Toggle */
.theme-toggle-container {
    position: absolute;
    top: 20px;
    right: 20px;
}

.input-group-text,
.form-control,
.bg-light {
    background-color: var(--input-bg) !important;
    color: var(--input-text) !important;
    border-color: var(--border-color) !important;
}

/* Specific button overrides for dark mode contrast if needed */
.btn-purple {
    background-color: #9C27B0;
    color: white;
}

.btn-purple:hover {
    background-color: #7B1FA2;
    color: white;
}

.scale-btn.active {
    background-color: #FF5722 !important;
    box-shadow: 0 0 8px rgba(255, 87, 34, 0.6);
}

.btn-outline-purple {
    color: #9C27B0;
    border-color: #9C27B0;
}

.btn-outline-purple:hover {
    background-color: #9C27B0;
    color: white;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
}

.loading-text {
    margin-top: 15px;
    font-size: 1.2rem;
    font-weight: 500;
}