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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f5f5;
    color: #333;
}

/* Login Page */
.login-page {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-box .logo {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Dashboard */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.sidebar {
    width: 250px;
    background: #1a1a2e;
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar.hidden {
    transform: translateX(-100%);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-close {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0 10px;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #2a2a3e;
}

.sidebar .logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: #aaa;
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.nav-item span {
    margin-right: 12px;
    font-size: 1.2rem;
}

.nav-item:hover {
    background: #2a2a3e;
    color: white;
}

.nav-item.active {
    background: #2a2a3e;
    color: white;
    border-left-color: #667eea;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid #2a2a3e;
}

.logout-btn {
    display: block;
    text-align: center;
    padding: 12px;
    background: #c33;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.3s;
}

.logout-btn:hover {
    background: #a22;
}

.main-content {
    margin-left: 250px;
    flex: 1;
    padding: 30px;
    transition: margin-left 0.3s ease;
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-close {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        padding: 15px;
    }
    
    .accounts-grid {
        grid-template-columns: 1fr !important;
    }
    
    .page-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start !important;
    }
    
    .account-stats {
        grid-template-columns: 1fr !important;
    }
    
    .account-actions {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95% !important;
        padding: 20px !important;
    }
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 2rem;
    color: #333;
}

/* Accounts Grid */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.account-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.account-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.account-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.account-phone {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

.status-badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge.running {
    background: #4caf50;
    color: white;
}

.status-badge.stopped {
    background: #f44336;
    color: white;
}

.status-badge.inactive {
    background: #9e9e9e;
    color: white;
}

.account-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 15px 0;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.stat-label {
    font-size: 0.85rem;
    color: #666;
    margin-top: 5px;
}

.account-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-success {
    background: #4caf50;
    color: white;
}

.btn-success:hover {
    background: #45a049;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #da190b;
}

.btn-info {
    background: #2196f3;
    color: white;
}

.btn-info:hover {
    background: #0b7dda;
}

.btn-secondary {
    background: #9e9e9e;
    color: white;
}

.btn-secondary:hover {
    background: #757575;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    overflow: auto;
    animation: fadeIn 0.3s;
}

.modal[style*="display: block"] {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: #1e1e2e;
    padding: 30px;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    color: #e0e0e0;
    border: 1px solid #3a3a5c;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    margin: auto;
    position: relative;
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content h2 {
    margin-top: 0;
    color: #00d4ff;
}

.modal-content .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.modal-content .close:hover,
.modal-content .close:focus {
    color: #fff;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #e0e0e0;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="file"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #3a3a5c;
    border-radius: 6px;
    background-color: #2a2a3e;
    color: #e0e0e0;
    font-size: 14px;
    box-sizing: border-box;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.form-group input[type="file"] {
    padding: 8px;
    cursor: pointer;
}

.form-group button {
    margin-top: 10px;
}

.modal-content.large {
    max-width: 800px;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close:hover {
    color: #333;
}

/* Messages List */
.messages-list {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.message-item {
    padding: 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.message-item:last-child {
    border-bottom: none;
}

.message-content {
    flex: 1;
}

.message-text {
    margin: 5px 0;
    color: #333;
}

.message-meta {
    font-size: 0.85rem;
    color: #666;
}

.message-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.message-status.sent {
    background: #4caf50;
    color: white;
}

.message-status.failed {
    background: #f44336;
    color: white;
}

.message-status.pending {
    background: #ff9800;
    color: white;
}

/* Rules List */
.rules-list {
    margin-top: 20px;
}

.rule-item {
    background: #f9f9f9;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.rule-info {
    flex: 1;
}

.rule-actions {
    display: flex;
    gap: 10px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #4caf50;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Settings */
.settings-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.info-box {
    background: #f0f4ff;
    border-left: 4px solid #667eea;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.info-box code {
    background: #e0e0e0;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.info-box ol {
    margin-top: 15px;
    padding-left: 20px;
}

.info-box li {
    margin-bottom: 10px;
    line-height: 1.6;
}