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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1em;
    opacity: 0.9;
}

.email-box {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.email-display {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

#tempEmail {
    flex: 1;
    min-width: 250px;
    padding: 15px;
    font-size: 1.1em;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    background: #f8f9fa;
}

button {
    padding: 15px 25px;
    font-size: 1em;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.btn-copy {
    background: #4CAF50;
    color: white;
}

.btn-copy:hover {
    background: #45a049;
    transform: translateY(-2px);
}

.btn-new {
    background: #2196F3;
    color: white;
}

.btn-new:hover {
    background: #0b7dda;
    transform: translateY(-2px);
}

.btn-refresh {
    background: #ff9800;
    color: white;
    padding: 10px 20px;
}

.btn-refresh:hover {
    background: #e68900;
}

.inbox {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e0e0e0;
}

.inbox-header h2 {
    color: #333;
}

.no-emails {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.no-emails p {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.no-emails .hint {
    font-size: 0.9em;
    color: #bbb;
}

.email-item {
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.email-item:hover {
    background: #f8f9fa;
    border-color: #667eea;
    transform: translateX(5px);
}

.email-from {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 5px;
}

.email-subject {
    font-size: 1.1em;
    color: #333;
    font-weight: 600;
    margin-bottom: 5px;
}

.email-date {
    font-size: 0.85em;
    color: #999;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 35px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

#emailContent {
    margin-top: 20px;
}

#emailContent h3 {
    color: #333;
    margin-bottom: 10px;
}

#emailContent p {
    margin-bottom: 15px;
    line-height: 1.6;
}

#emailContent .email-meta {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
}

#emailContent .email-meta p {
    margin: 5px 0;
    font-size: 14px;
}

#emailContent .email-body {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 8px;
    margin-top: 15px;
    word-wrap: break-word;
    max-height: 70vh;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.8;
    color: #333;
}

#emailContent .email-body pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    margin: 0;
    background: transparent;
    font-size: 14px;
}

#emailContent .email-body iframe {
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 100%;
    display: block;
    margin: 0;
}

/* Ensure iframe content is visible */
#emailContent .email-body > iframe {
    min-height: 400px;
}

.view-toggle {
    display: flex;
    gap: 10px;
    margin: 15px 0;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 5px;
}

.view-toggle button {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.view-toggle button:hover {
    background: #f0f0f0;
}

.view-toggle button.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

/* Token Section */
.token-section {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.token-info {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.token-label {
    font-weight: 600;
    color: #555;
}

#tokenInput {
    flex: 1;
    min-width: 200px;
    padding: 10px;
    font-size: 0.9em;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: white;
    font-family: monospace;
}

.btn-copy-token {
    background: #ff9800;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-copy-token:hover {
    background: #e68900;
}

.token-hint {
    font-size: 0.85em;
    color: #666;
    margin-bottom: 10px;
}

.token-url {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: white;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.token-url small {
    flex: 1;
    word-break: break-all;
    color: #666;
}

.btn-copy-url {
    background: #28a745;
    color: white;
    padding: 5px 10px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

.btn-copy-url:hover {
    background: #218838;
}

/* Restore Section */
.restore-section {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.btn-restore {
    background: #6c757d;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: all 0.3s;
}

.btn-restore:hover {
    background: #5a6268;
}

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

#restoreToken {
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-family: monospace;
}

.btn-restore-submit {
    background: #28a745;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
}

.btn-restore-submit:hover {
    background: #218838;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .modal-content {
        width: 95%;
        margin: 3% auto;
        padding: 20px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    header h1 {
        font-size: 1.8em;
    }
    
    header p {
        font-size: 1em;
    }
    
    .email-box {
        padding: 20px;
    }
    
    .email-display {
        flex-direction: column;
    }
    
    #tempEmail {
        min-width: 100%;
        font-size: 1em;
        padding: 12px;
    }
    
    button {
        width: 100%;
        padding: 12px 20px;
        font-size: 0.95em;
    }
    
    .inbox {
        padding: 20px;
    }
    
    .inbox-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .inbox-header h2 {
        font-size: 1.3em;
    }
    
    .btn-refresh {
        width: 100%;
    }
    
    .email-item {
        padding: 12px;
    }
    
    .email-subject {
        font-size: 1em;
    }
    
    .email-from,
    .email-date {
        font-size: 0.85em;
    }
    
    /* Modal responsiveness */
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: 20px;
        max-height: 85vh;
    }
    
    .close {
        right: 15px;
        top: 10px;
        font-size: 30px;
    }
    
    #emailContent h3 {
        font-size: 1.1em;
        padding-right: 30px;
    }
    
    #emailContent .email-meta {
        padding: 12px;
        font-size: 13px;
    }
    
    #emailContent .email-body {
        padding: 15px;
        font-size: 13px;
        max-height: 60vh;
    }
    
    .view-toggle {
        flex-wrap: wrap;
    }
    
    .view-toggle button {
        flex: 1;
        min-width: 100px;
    }
    
    /* Token section responsiveness */
    .token-section {
        padding: 15px;
    }
    
    .token-info {
        flex-direction: column;
        align-items: stretch;
    }
    
    #tokenInput {
        width: 100%;
        min-width: 100%;
        font-size: 0.85em;
    }
    
    .btn-copy-token {
        width: 100%;
    }
    
    .token-url {
        flex-direction: column;
        align-items: stretch;
    }
    
    .token-url small {
        font-size: 0.8em;
    }
    
    .btn-copy-url {
        width: 100%;
    }
    
    /* Restore section responsiveness */
    .restore-section {
        padding: 15px;
    }
    
    #restoreForm {
        flex-direction: column;
        align-items: stretch;
    }
    
    #restoreToken {
        width: 100%;
        max-width: 100%;
        min-width: 100%;
    }
    
    .btn-restore-submit {
        width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        padding: 5px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
    
    header p {
        font-size: 0.9em;
    }
    
    .email-box,
    .inbox,
    .restore-section {
        padding: 15px;
        border-radius: 10px;
    }
    
    #tempEmail {
        font-size: 0.9em;
        padding: 10px;
    }
    
    button {
        padding: 10px 15px;
        font-size: 0.9em;
    }
    
    .email-item {
        padding: 10px;
    }
    
    .email-subject {
        font-size: 0.95em;
    }
    
    .email-from,
    .email-date {
        font-size: 0.8em;
    }
    
    .modal-content {
        width: 98%;
        padding: 15px;
        margin: 2% auto;
    }
    
    #emailContent h3 {
        font-size: 1em;
    }
    
    #emailContent .email-body {
        padding: 12px;
        font-size: 12px;
    }
    
    .view-toggle button {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .token-section {
        padding: 12px;
    }
    
    #tokenInput {
        font-size: 0.8em;
        padding: 8px;
    }
}

/* Landscape orientation for mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .modal-content {
        max-height: 90vh;
    }
    
    #emailContent .email-body {
        max-height: 50vh;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    button,
    .email-item,
    .btn-view,
    .btn-delete,
    .btn-copy-small {
        min-height: 44px;
        min-width: 44px;
    }
    
    .email-item {
        padding: 15px;
    }
}