/* Customer Assistant Styles */
:root {
    /* Main colors with improved contrast ratios */
    --primary-color: #3a5bd9; /* Darker blue for better contrast */
    --secondary-color: #5a6268; /* Darker gray for better contrast */
    --success-color: #218838; /* Darker green for better contrast */
    --danger-color: #c82333; /* Darker red for better contrast */
    --warning-color: #e0a800; /* Darker yellow for better contrast */
    --info-color: #138496; /* Darker teal for better contrast */
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --body-bg: #f5f8ff;
    --card-bg: #ffffff;
    --border-color: #dee2e6; /* Slightly darker for better visibility */
    --text-primary: #212529;
    --text-secondary: #495057; /* Darker for better readability */
    --text-muted: #6c757d; /* Darker for better readability */
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
    
    /* Focus styles for accessibility */
    --focus-ring-color: rgba(58, 91, 217, 0.5);
    --focus-ring-width: 3px;
    
    /* Animation speeds */
    --transition-speed: 0.2s;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.support-header {
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    height: 30px;
    width: auto;
}

.logo span {
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.header-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-speed);
}

.header-link:hover {
    color: var(--primary-color);
}

/* Main Content */
.support-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex: 1;
}

.support-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.support-header {
    padding: 2rem;
    text-align: center;
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
}

.support-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.support-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Support Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow-x: auto; /* Allow horizontal scrolling on small screens */
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--border-color);
}

.tabs::-webkit-scrollbar {
    height: 6px;
}

.tabs::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 3px;
}

.tabs::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 3px;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    white-space: nowrap; /* Prevent text wrapping */
    position: relative;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--focus-ring-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Accessible indicator for active tab */
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

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

/* Tab Content */
.tab-content-container {
    min-height: 400px;
}

/* Chat Tab */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 400px;
    position: relative;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    display: flex;
    flex-direction: column;
    max-width: 80%;
}

.chat-message.visitor {
    align-self: flex-end;
}

.chat-message.assistant {
    align-self: flex-start;
}

.message-bubble {
    padding: 0.75rem 1rem;
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
    word-break: break-word;
}

.chat-message.visitor .message-bubble {
    background-color: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message.assistant .message-bubble {
    background-color: #f1f3f5;
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    align-self: flex-start;
}

.chat-message.visitor .message-time {
    align-self: flex-end;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0.25rem;
}

.typing-indicator span {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing-bounce {
    0%, 80%, 100% { 
        transform: scale(0.6);
    }
    40% { 
        transform: scale(1);
    }
}

/* Error message */
.error-message {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 6px;
    border-left: 3px solid var(--danger-color);
    font-size: 0.9rem;
    text-align: center;
}

/* Link styling in chat */
.message-bubble a {
    color: inherit;
    text-decoration: underline;
}

.chat-message.assistant .message-bubble a {
    color: var(--primary-color);
}

.chat-message.visitor .message-bubble a {
    color: white;
    text-decoration-color: rgba(255, 255, 255, 0.7);
}

.chat-input-container {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 0 0;
    border-top: 1px solid var(--border-color);
}

.chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    font-family: inherit;
    font-size: 0.95rem;
}

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

.send-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 24px;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-speed);
}

.send-button:hover {
    background-color: #2d4ab8; /* Darker for better hover state */
}

/* Email Tab */
.email-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Add required field indicator */
.form-group.required label::after {
    content: ' *';
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: border-color var(--transition-speed) ease-in-out, box-shadow var(--transition-speed) ease-in-out;
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px var(--focus-ring-color);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Invalid state */
.form-control.is-invalid {
    border-color: var(--danger-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: var(--danger-color);
    transition: var(--transition);
}

.secondary-button:hover {
    background-color: #5a6268;
}

/* Call Tab */
.call-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.call-option {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.call-option-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.call-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(74, 108, 247, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
}

.call-option h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.call-option p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.direct-call-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1rem 0;
}

.phone-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.call-hours {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Chat Status Indicator */
.chat-status-indicator {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--card-bg);
    padding: 0.5rem 1rem;
    border-radius: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 90;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-dot.online {
    background-color: var(--success-color);
}

.status-dot.offline {
    background-color: var(--secondary-color);
}

.status-text {
    font-size: 0.85rem;
    font-weight: 500;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-weight: 600;
}

.close-button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: 1.5rem;
}

/* VOIP Call Modal */
.call-status-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.call-animation {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.call-wave {
    position: absolute;
    border: 2px solid var(--primary-color);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    opacity: 0;
    animation: wave 2s infinite;
}

.call-wave:nth-child(2) {
    animation-delay: 0.5s;
}

.call-wave:nth-child(3) {
    animation-delay: 1s;
}

@keyframes wave {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.call-status {
    font-size: 1.2rem;
    font-weight: 600;
}

.call-timer {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.call-controls {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
}

.call-control-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

.control-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f1f3f5;
    border-radius: 50%;
    transition: var(--transition);
}

.call-control-btn:hover .control-icon {
    background-color: #e9ecef;
}

.call-control-btn.end-call .control-icon {
    background-color: var(--danger-color);
    color: white;
}

.call-control-btn.end-call:hover .control-icon {
    background-color: #c82333;
}

.control-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Success Modal */
.success-icon {
    width: 80px;
    height: 80px;
    background-color: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
}

#successMessage {
    text-align: center;
    margin-bottom: 1.5rem;
}

#successModal .modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Responsive */
@media (max-width: 768px) {
    .call-options {
        grid-template-columns: 1fr;
    }
    
    .support-header h1 {
        font-size: 1.5rem;
    }
    
    .tab-button {
        padding: 0.75rem 0.5rem;
    }
    
    .tab-icon {
        font-size: 1.25rem;
    }
    
    .tab-label {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .support-container {
        margin: 1rem auto;
        padding: 0 1rem;
    }
    
    .support-header {
        padding: 1.5rem 1rem;
    }
    
    .tab-content {
        padding: 1.5rem 1rem;
    }
    
    .chat-container {
        height: 350px;
    }
    
    .call-controls {
        flex-wrap: wrap;
    }
}