/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 0;
}

.header-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.title i {
    margin-right: 15px;
    color: #ffd700;
}

.subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

/* Main Content */
.main-content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.messages-section {
    grid-column: 1 / -1;
}

/* Card Styles */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.card-title i {
    margin-right: 10px;
    color: #667eea;
}

/* Form Styles */
.generate-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
}

.form-group select,
.form-group input {
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: white;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Button Styles */
.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.6);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Active Numbers */
.active-numbers {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.phone-number-item {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f2ff 100%);
    border: 2px solid #e1e8ff;
    border-radius: 15px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.phone-number-item:hover {
    border-color: #667eea;
    transform: translateX(5px);
}

.phone-number-item.active {
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.phone-number-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.phone-number {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

.region-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.phone-number-item.active .region-badge {
    background: rgba(255, 255, 255, 0.3);
}

.phone-number-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

.countdown-mini {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Messages */
.messages-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.countdown-container {
    display: flex;
    align-items: center;
}

.countdown {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.messages {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.message-item {
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    border-radius: 10px;
    padding: 15px;
    animation: slideIn 0.3s ease;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.message-sender {
    font-weight: 600;
    color: #667eea;
    font-family: 'Courier New', monospace;
}

.message-time {
    font-size: 0.8rem;
    color: #666;
}

.message-content {
    color: #333;
    line-height: 1.5;
    word-wrap: break-word;
}

/* Test Message Form */
.test-message-section {
    border-top: 2px solid #e1e5e9;
    padding-top: 20px;
    margin-top: 20px;
}

.test-message-section h3 {
    color: #666;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

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

.test-form input {
    flex: 1;
    min-width: 200px;
    padding: 10px 14px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 0.9rem;
}

.test-form button {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

.empty-state p {
    margin-bottom: 5px;
}

.empty-subtitle {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.loading-spinner i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 15px;
}

/* Notifications */
.notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    background: white;
    border-radius: 10px;
    padding: 15px 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-left: 4px solid #667eea;
    animation: slideInRight 0.3s ease;
    max-width: 350px;
}

.notification.success {
    border-left-color: #28a745;
}

.notification.error {
    border-left-color: #dc3545;
}

.notification.warning {
    border-left-color: #ffc107;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: auto;
}

.footer-content {
    color: rgba(255, 255, 255, 0.9);
}

.footer-links {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: white;
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .header-content {
        padding: 30px 20px;
    }
    
    .card {
        padding: 20px;
    }
    
    .messages-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .test-form {
        flex-direction: column;
    }
    
    .test-form input {
        min-width: auto;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .title {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .card {
        padding: 15px;
    }
    
    .phone-number-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}


/* CAPTCHA Styles */
.captcha-group {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 15px;
    margin: 10px 0;
}

.captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.captcha-challenge {
    background: white;
    border: 2px solid #667eea;
    border-radius: 8px;
    padding: 10px 15px;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: bold;
    color: #333;
    min-width: 120px;
    text-align: center;
}

.captcha-container input {
    flex: 1;
    min-width: 100px;
    margin: 0;
}

.btn-refresh-captcha {
    background: #6c757d;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-refresh-captcha:hover {
    background: #5a6268;
    transform: rotate(180deg);
}

.security-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 6px;
}

.security-indicator.low {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.security-indicator.medium {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.security-indicator.high {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Honeypot field (should remain hidden) */
input[name="website"] {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Rate limit warning */
.rate-limit-warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 12px;
    margin: 10px 0;
    color: #856404;
    display: flex;
    align-items: center;
    gap: 8px;
}

.rate-limit-warning i {
    color: #f39c12;
}

/* Security badge */
.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.security-badge.secure {
    background: #d4edda;
    color: #155724;
}

.security-badge.warning {
    background: #fff3cd;
    color: #856404;
}

.security-badge.danger {
    background: #f8d7da;
    color: #721c24;
}

/* Responsive CAPTCHA */
@media (max-width: 480px) {
    .captcha-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .captcha-challenge {
        min-width: auto;
        margin-bottom: 10px;
    }
    
    .btn-refresh-captcha {
        align-self: flex-end;
        width: auto;
    }
}