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

html, body {
    height: 100%;
    width: 100%; /* 添加宽度100% */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 12px;
    display: flex;
    flex-direction: column;
    width: 100%; /* 确保body也是100%宽度 */
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%; /* 添加宽度100% */
}

header {
    background: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
    position: relative;
}

h1 {
    font-size: 1.8em;
    margin-bottom: 8px;
}

.subtitle {
    color: #bdc3c7;
    font-size: 0.95em;
}

.main-content {
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    flex: 1;
    width: 100%; /* 添加宽度100% */
    min-height: 0; /* 重要：允许网格项收缩 */
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        padding: 15px;
        gap: 15px;
    }

    header {
        padding: 15px;
    }

    h1 {
        font-size: 1.5em;
    }

    .subtitle {
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    body {
        padding: 8px;
    }

    .main-content {
        padding: 12px;
        gap: 12px;
    }

    header {
        padding: 12px 15px;
    }

    h1 {
        font-size: 1.3em;
    }

    .subtitle {
        font-size: 0.85em;
    }
}

.upload-section, .list-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
}

@media (max-width: 768px) {
    .upload-section, .list-section {
        padding: 15px;
    }
}

.upload-area {
    border: 3px dashed #3498db;
    border-radius: 8px;
    padding: 25px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #ecf0f1;
}

@media (max-width: 768px) {
    .upload-area {
        padding: 20px 12px;
    }
}

.upload-area:hover {
    border-color: #2980b9;
    background: #d6dbdf;
}

.upload-area.highlight {
    border-color: #27ae60;
    background: #d5f4e6;
}

.upload-icon {
    font-size: 40px;
    color: #3498db;
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .upload-icon {
        font-size: 36px;
        margin-bottom: 8px;
    }
}

.file-input {
    display: none;
}

.progress-container {
    margin-top: 15px;
    display: none;
}

.progress-bar {
    width: 100%;
    height: 16px;
    background: #ecf0f1;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    color: #7f8c8d;
    font-size: 0.85em;
}

.list-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
    display: flex;
    flex-direction: column;
    min-height: 0; /* 重要：允许内容收缩 */
}

.panorama-list {
    margin-top: 10px;
    flex: 1;
    min-height: 0; /* 重要：允许内容收缩 */
    overflow-y: auto;
}

.panorama-item {
    background: white;
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    border-left: 4px solid #3498db;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        padding: 15px;
        gap: 15px;
        min-height: 0;
    }

    .list-section {
        padding: 15px;
        min-height: 0;
    }

    .panorama-list {
        min-height: 0;
    }
}

@media (max-width: 768px) {
    .panorama-item {
        padding: 10px;
        margin-bottom: 6px;
    }
}

.panorama-info h3 {
    color: #2c3e50;
    margin-bottom: 4px;
    font-size: 0.95em;
    word-break: break-word;
}

.panorama-meta {
    color: #7f8c8d;
    font-size: 0.75em;
}

.panorama-actions {
    display: flex;
    gap: 6px;
}

.view-btn, .edit-btn, .delete-btn {
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-size: 0.8em;
    width: 50px;
    transition: background-color 0.2s ease;
}

.view-btn {
    background: #27ae60;
}

.view-btn:hover {
    background: #219653;
}

.edit-btn {
    background: #3498db;
}

.edit-btn:hover {
    background: #2980b9;
}

.delete-btn {
    background: #e74c3c;
}

.delete-btn:hover {
    background: #c0392b;
}

@media (max-width: 768px) {
    .view-btn, .edit-btn, .delete-btn {
        width: 45px;
        padding: 4px 8px;
        font-size: 0.75em;
    }

    .panorama-actions {
        gap: 4px;
    }
}

.status-message {
    padding: 8px;
    margin: 8px 0;
    border-radius: 4px;
    text-align: center;
    display: none;
    font-size: 0.9em;
}

.status-success {
    background: #d5f4e6;
    color: #27ae60;
    border: 1px solid #27ae60;
}

.status-error {
    background: #fadbd8;
    color: #e74c3c;
    border: 1px solid #e74c3c;
}

.status-processing {
    background: #d6eaf8;
    color: #3498db;
    border: 1px solid #3498db;
}

#changePasswordBtn {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 5px 10px;
    border: none;
    border-radius: 6px;
    background: #2ecc71;
    color: white;
    cursor: pointer;
    font-size: 0.85em;
    transition: background-color 0.2s ease;
}

#changePasswordBtn:hover {
    background: #27ae60;
}

@media (max-width: 768px) {
    #changePasswordBtn {
        position: relative;
        top: auto;
        right: auto;
        margin-top: 10px;
    }
}

#passwordModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

#passwordModal > div {
    background: white;
    padding: 20px;
    border-radius: 8px;
    max-width: 350px;
    width: 90%;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

@media (max-width: 480px) {
    #passwordModal > div {
        padding: 15px;
    }
}

#passwordInput {
    width: 80%;
    padding: 8px;
    margin: 12px 0;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
    transition: border-color 0.2s ease;
}

#passwordInput:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

#passwordSubmit {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    background: #3498db;
    color: white;
    cursor: pointer;
    font-size: 0.9em;
    transition: background-color 0.2s ease;
}

#passwordSubmit:hover {
    background: #2980b9;
}