/* Comboware ComboMailAI - Vibrant Professional Styles */

:root {
    --primary-color: #ff6b35;
    --secondary-color: #004e89;
    --accent-color: #00d4ff;
    --success-color: #00ff88;
    --warning-color: #ffb800;
    --danger-color: #ff4757;
    --dark-color: #1a1f3a;
    --light-color: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --gradient-secondary: linear-gradient(135deg, #004e89 0%, #00d4ff 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
    --shadow-primary: 0 10px 30px rgba(255, 107, 53, 0.3);
    --shadow-secondary: 0 10px 30px rgba(0, 78, 137, 0.3);
    --shadow-accent: 0 10px 30px rgba(0, 212, 255, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1f3a 0%, #2d3748 50%, #1a1f3a 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Login Page Styles */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1f3a 0%, #2d3748 50%, #1a1f3a 100%);
    position: relative;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.login-header .logo i {
    font-size: 32px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 300;
}

.login-form {
    margin-bottom: 30px;
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-weight: 500;
    color: #ffffff;
    font-size: 14px;
}

.form-group label i {
    color: var(--accent-color);
    width: 16px;
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-primary);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.4);
}

.error-message {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 20px;
    color: #ff4757;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.language-selector {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.language-selector label {
    display: block;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.language-selector select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
}

.language-selector select:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Main Application Styles */
.container {
    display: flex;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1f3a 0%, #2d3748 50%, #1a1f3a 100%);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 31, 58, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 0 20px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}

.logo i {
    font-size: 28px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.username {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: 8px;
    color: #ff4757;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(255, 71, 87, 0.2);
    transform: translateY(-1px);
}

.nav {
    position: fixed;
    left: 0;
    top: 70px;
    bottom: 0;
    width: 250px;
    background: rgba(26, 31, 58, 0.9);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    overflow-y: auto;
}

.nav-list {
    list-style: none;
    padding: 0 20px;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transform: translateX(5px);
}

.nav-item.active .nav-link {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-primary);
}

.nav-link i {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.main-content {
    margin-left: 250px;
    margin-top: 70px;
    padding: 30px;
    width: calc(100% - 250px);
    min-height: calc(100vh - 70px);
}

.content-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 30px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #ffffff;
    position: relative;
    z-index: 1;
}

.stat-card:nth-child(1) .stat-icon {
    background: var(--gradient-primary);
}

.stat-card:nth-child(2) .stat-icon {
    background: var(--gradient-secondary);
}

.stat-card:nth-child(3) .stat-icon {
    background: var(--gradient-accent);
}

.stat-card:nth-child(4) .stat-icon {
    background: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
}

.stat-content {
    position: relative;
    z-index: 1;
}

.stat-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    color: #ffffff;
}

.stat-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
}

.activity-section, .ai-chat-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 30px;
}

.activity-section h2, .ai-chat-section h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
}

.activity-list {
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.activity-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: #ffffff;
    font-size: 16px;
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 5px;
}

.activity-time {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.chat-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

.chat-messages {
    height: 300px;
    overflow-y: auto;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
}

.message {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.message-content {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 12px;
    max-width: 80%;
    word-wrap: break-word;
}

.user-message .message-content {
    background: var(--gradient-primary);
    color: #ffffff;
    margin-left: auto;
}

.ai-message .message-content {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.chat-input {
    display: flex;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-input input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 14px;
}

.chat-input input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.chat-input input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#send-btn {
    margin-left: 10px;
    padding: 12px 16px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
}

#send-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .nav.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        padding: 0 15px;
    }
    
    .main-content {
        padding: 20px 15px;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Customer Management Styles */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b35 100%);
    color: #ffffff;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 71, 87, 0.4);
}

.btn-sm {
    padding: 8px 12px;
    font-size: 12px;
}

.customer-list {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 25px;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    gap: 20px;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 14px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.5);
}

.filter-box select {
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 14px;
    cursor: pointer;
}

.filter-box select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.customer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.customer-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.customer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(0, 212, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.customer-card:hover::before {
    opacity: 1;
}

.customer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.customer-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.customer-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 20px;
}

.customer-info {
    flex: 1;
}

.customer-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 5px;
}

.customer-info p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.customer-priority {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

.priority-vip {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: #ffffff;
}

.priority-high {
    background: linear-gradient(135deg, #ff4757 0%, #ff6b35 100%);
    color: #ffffff;
}

.priority-normal {
    background: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
    color: #ffffff;
}

.priority-low {
    background: linear-gradient(135deg, #6c757d 0%, #adb5bd 100%);
    color: #ffffff;
}

.customer-details {
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.detail-item i {
    color: var(--accent-color);
    width: 16px;
    text-align: center;
}

.customer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.tag {
    padding: 4px 8px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 4px;
    font-size: 12px;
    color: #00d4ff;
}

.customer-actions {
    display: flex;
    gap: 8px;
    position: relative;
    z-index: 1;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    background: rgba(26, 31, 58, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    margin: 5% auto;
    width: 90%;
    max-width: 500px;
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
}

.close-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #ffffff;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #ffffff;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input.error {
    border-color: #ff4757;
    box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.2);
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    background: rgba(26, 31, 58, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: notificationSlideIn 0.3s ease-out;
}

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

.notification-content {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.notification-success {
    border-color: rgba(0, 255, 136, 0.3);
    background: rgba(0, 255, 136, 0.1);
}

.notification-error {
    border-color: rgba(255, 71, 87, 0.3);
    background: rgba(255, 71, 87, 0.1);
}

.notification-warning {
    border-color: rgba(255, 184, 0, 0.3);
    background: rgba(255, 184, 0, 0.1);
}

.notification-info {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.1);
}

.notification-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.notification-close:hover {
    color: #ffffff;
}

/* Tooltip Styles */
.tooltip {
    position: absolute;
    background: rgba(26, 31, 58, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px 12px;
    color: #ffffff;
    font-size: 12px;
    z-index: 1000;
    pointer-events: none;
}

/* Responsive Design for Customer Management */
@media (max-width: 768px) {
    .customer-grid {
        grid-template-columns: 1fr;
    }
    
    .list-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .customer-actions {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
}