:root {
    --primary: #2c7a2c;
    --primary-light: #4caf50;
    --secondary: #8bc34a;
    --dark: #1b5e20;
    --light: #e8f5e9;
    --text: #333;
    --text-light: #666;
    --border: #ddd;
    --error: #f44336;
    --success: #4caf50;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: var(--text);
    line-height: 1.6;
}

.container, .admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: white;
    min-height: 100vh;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
}

header {
    background: linear-gradient(135deg, var(--primary), var(--dark));
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 25px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

header p {
    opacity: 0.9;
}

nav {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
    flex-wrap: wrap;
}

nav button {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

nav button.active, nav button:hover {
    background-color: white;
    color: var(--primary);
}

main {
    padding: 10px 0;
}

.query-box {
    display: flex;
    gap: 10px;
    margin: 30px 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.query-box input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.query-box input:focus {
    border-color: var(--primary);
}

button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

button:hover {
    background-color: var(--dark);
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

button.secondary {
    background-color: var(--secondary);
}

button.secondary:hover {
    background-color: #7cb342;
}

.error-message {
    color: var(--error);
    background-color: #ffebee;
    padding: 10px;
    border-radius: 5px;
    margin: 15px 0;
    text-align: center;
}

.report-card {
    background-color: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 25px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.report-card h2 {
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light);
}

.report-info p {
    margin: 10px 0;
    font-size: 1.1rem;
}

.result-pass {
    color: var(--success);
    font-weight: bold;
}

.report-image {
    margin-top: 20px;
    text-align: center;
}

.report-image img {
    max-width: 100%;
    max-height: 400px;
    border: 1px solid var(--border);
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    color: var(--text-light);
    font-size: 0.9rem;
    border-top: 1px solid var(--border);
}

/* 管理后台样式 */
.management-view {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-bottom: 20px;
}

.form-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    margin-bottom: 25px;
}

.form-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 1rem;
}

.image-preview {
    margin: 15px 0;
    text-align: center;
}

.image-preview img {
    max-width: 200px;
    max-height: 200px;
    border: 1px solid var(--border);
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    background-color: white;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background-color: var(--light);
    font-weight: 600;
    color: var(--dark);
}

tr:hover {
    background-color: #f5f5f5;
}

.empty-state {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
    font-style: italic;
}

/* 登录页面 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70vh;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 25px;
    color: var(--primary);
}

.login-box .form-group input {
    font-size: 1.1rem;
    padding: 12px;
}

.login-box button {
    width: 100%;
    padding: 12px;
    margin-top: 15px;
    font-size: 1.1rem;
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.modal-content h3 {
    margin-bottom: 20px;
    color: var(--primary);
}

#qrcode-container {
    margin: 20px auto;
    display: flex;
    justify-content: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .query-box {
        flex-direction: column;
    }

    nav {
        flex-direction: column;
        align-items: center;
    }

    table {
        display: block;
        overflow-x: auto;
    }

    .container, .admin-container {
        padding: 15px;
    }

    header h1 {
        font-size: 1.8rem;
    }
}