/* Add animation keyframes for highlighting statistics */
@keyframes highlightStat {
    0% { transform: scale(1); background-color: var(--primary-color); color: white; }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); background-color: var(--card-bg); color: var(--text-color); }
}

@keyframes pulseHighlight {
    0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.highlight-stat {
    animation: highlightStat 1.5s ease-in-out;
}

.stat-item {
    padding: 4px 8px;
    background-color: var(--warning-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.pulse-outline {
    animation: pulseHighlight 1.5s ease-in-out;
}

.statistics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.875rem;
    padding: 10px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

:root {
    --bg-color: #fff;
    --text-color: #333;
    --border-color: #ddd;
    --card-bg: #f8f9fa;
    --primary-color: #3b82f6;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --canvas-bg: #fff;
    --grid-color: #eee;
    --warning-color: #fefce8;
}

[data-theme="dark"] {
    --bg-color: #161616;
    --text-color: #e5e5e5;
    --border-color: #333;
    --card-bg: #1e1e1e;
    --canvas-bg: #222;
    --grid-color: #333;
    --warning-color: #713f12;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.app-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-color);
}

.content {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.card {
    background-color: var(--card-bg);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.card-title {
    font-size: 1.125rem;
    margin: 0 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 500;
}

.input-panel {
    flex: 1;
    min-width: 300px;
}

.preview-panel {
    flex: 1;
    min-width: 300px;
}

.coordinates-container {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 15px;
    padding-right: 5px;
}

.coordinate-row {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.coordinate-label {
    width: 80px;
    font-weight: 500;
    font-size: 0.875rem;
}

.coordinate-inputs {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-grow: 1;
}

.input-group {
    display: flex;
    align-items: center;
    flex: 1;
}

.input-label {
    margin-right: 5px;
    font-size: 0.875rem;
}

.coordinate-input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.remove-btn {
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: 4px;
    min-width: 36px;
    height: 30px;
    cursor: pointer;
    margin-left: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.button-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.button-group {
    display: flex;
    gap: 10px;
    width: 100%;
}

.btn {
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.full-width {
    width: 100%;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-danger禁止
.btn-danger {
    background-color: var(--danger-color);
    color: white;
    flex: 1;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    flex: 1;
}

.result-container {
    margin-top: 15px;
    font-size: 1rem;
    font-weight: 500;
}

#canvas-container {
    width: 100%;
    height: 300px;
    background-color: var(--canvas-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 15px;
    position: relative;
}

.footer {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-color);
    opacity: 0.75;
}

.footer a,
.footer a:visited {
    color: var(--text-color);
    font-weight: 500;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.error-message {
    color: var(--danger-color);
    margin-top: 10px;
    font-weight: 500;
    font-size: 0.875rem;
}

.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border-left-color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin: 10px auto;
    display: none;
}

.text-monospace {
    font-family: monospace;
    text-decoration: underline; !important;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .content {
        flex-direction: column;
    }

    .card {
        width: 100%;
    }

    .coordinate-label {
        display: none;
    }
}