/* =============================================================================
   Enterprise Agent - Styles
   ============================================================================= */

:root {
    /* Centene Brand Colors */
    --color-centene-blue: #024069;
    --color-centene-blue-light: #00548c;
    --color-centene-blue-bright: #00afef;
    --color-centene-gray: #98958C;
    --color-centene-green: #8eb734;
    --color-centene-orange: #f37201;
    --color-centene-magenta: #cf1d67;

    /* App Colors - Clean White Theme */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8f9fa;
    --color-bg-tertiary: #f0f2f5;
    --color-bg-hover: #e9ecef;
    --color-border: #dee2e6;
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;

    /* Chat Area Light Colors */
    --color-chat-bg: #ffffff;
    --color-chat-text: #333333;
    --color-chat-text-secondary: #666666;
    --color-chat-border: #e0e0e0;
    --color-accent: #00afef;
    --color-accent-hover: #00548c;
    --color-success: #8eb734;
    --color-warning: #f37201;
    --color-error: #cf1d67;

    /* Aliases for login pages */
    --bg-primary: var(--color-bg-primary);
    --bg-secondary: var(--color-bg-secondary);
    --bg-hover: var(--color-bg-hover);
    --border-color: var(--color-border);
    --text-primary: var(--color-text-primary);
    --text-secondary: var(--color-text-secondary);
    --text-muted: var(--color-text-muted);
    --accent-color: var(--color-accent);
    --accent-hover: var(--color-accent-hover);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Sidebar */
    --sidebar-width: 280px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
}

/* App Container */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-bg-secondary);
    border-right: 2px solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
    transition: width var(--transition-normal);
    position: relative;
}

/* Collapsed sidebar state */
.sidebar.collapsed {
    width: 60px !important;
    min-width: 60px !important;
    max-width: 60px !important;
}

.sidebar.collapsed .sidebar-header {
    padding: var(--spacing-sm);
    justify-content: center;
}

.sidebar.collapsed .sidebar-logo {
    display: none;
}

.sidebar.collapsed .sidebar-logo img {
    max-width: 40px !important;
}

.sidebar.collapsed .nav-item span,
.sidebar.collapsed .admin-nav .nav-item span,
.sidebar.collapsed .user-nav .nav-item span {
    display: none;
}

.sidebar.collapsed .nav-item,
.sidebar.collapsed .admin-nav .nav-item,
.sidebar.collapsed .user-nav .nav-item {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar.collapsed .sidebar-footer {
    display: none;
}

.sidebar.collapsed .conversations-section,
.sidebar.collapsed .agents-section {
    display: none;
}

/* Sidebar collapse toggle button */
.sidebar-collapse-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    pointer-events: auto;
    z-index: 100;
}

.sidebar-collapse-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.sidebar-collapse-btn svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.sidebar.collapsed .sidebar-collapse-btn svg {
    transform: rotate(180deg);
}

.sidebar-header {
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 16px;
    font-weight: 600;
    flex: 1;
    min-width: 0;
}

.sidebar-logo svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

/* Sections */
.agents-section,
.conversations-section {
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.conversations-section {
    flex: 1;
    overflow-y: auto;
    border-bottom: none;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.section-header h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
}

.loading-placeholder {
    color: var(--color-text-muted);
    font-size: 13px;
    padding: var(--spacing-sm) 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
}

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

.btn-secondary {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-hover);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
    background-color: var(--color-bg-secondary);
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-title {
    font-size: 15px;
    font-weight: 500;
}

.header-title .header-brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--color-centene-blue);
}

.header-title .fl {
    font-weight: 700;
    font-size: 17px;
    color: var(--color-centene-blue);
}

.header-title .header-acronym {
    font-weight: 400;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.header-title .header-acronym .fl {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-centene-blue);
}

.header-title .header-divider {
    margin: 0 var(--spacing-sm);
    color: var(--color-border);
    font-weight: 300;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-warning);
    animation: pulse 2s infinite;
}

.status-dot.connected {
    background-color: var(--color-success);
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Chat Container */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    background-color: var(--color-chat-bg);
}

/* Welcome Screen */
.welcome-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.welcome-content {
    text-align: center;
    max-width: 500px;
}

.welcome-icon {
    margin-bottom: var(--spacing-lg);
}

.welcome-icon svg {
    width: 64px;
    height: 64px;
    color: var(--color-centene-blue);
}

.welcome-content h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-chat-text);
}

.welcome-content h1 .fl {
    font-weight: 700;
    color: var(--color-centene-blue);
}

.welcome-content p {
    color: var(--color-chat-text-secondary);
    margin-bottom: var(--spacing-md);
}

.welcome-content .acronym-text {
    font-size: 1.1rem;
    color: var(--color-chat-text);
    margin-bottom: var(--spacing-sm);
}

.welcome-content .acronym-text .first-letter {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-centene-blue);
}

.welcome-content .tagline {
    font-size: 1.5rem;
    font-weight: 700;
    font-style: normal;
    color: var(--color-centene-blue);
    margin-bottom: var(--spacing-xl);
}

.welcome-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.welcome-actions .btn-primary {
    background-color: var(--color-centene-blue);
}

.welcome-actions .btn-primary:hover {
    background-color: var(--color-centene-blue-light);
}

.welcome-actions .btn-secondary {
    background-color: #f5f5f5;
    color: var(--color-centene-blue);
    border: 1px solid var(--color-centene-blue);
}

.welcome-actions .btn-secondary:hover {
    background-color: #e8e8e8;
}

/* Messages */
.messages-container {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    color: var(--color-chat-text);
}

/* Input Area */
.input-area {
    padding: var(--spacing-md);
    border-top: 2px solid var(--color-border);
    background-color: var(--color-bg-secondary);
}

.input-container {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 800px;
    margin: 0 auto;
}

.input-container textarea {
    flex: 1;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-size: 15px;
    font-family: inherit;
    resize: none;
    outline: none;
    transition: border-color var(--transition-fast);
    min-height: 60px;
    max-height: 200px;
}

.input-container textarea:focus {
    border-color: var(--color-accent);
}

.input-container textarea:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-send {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: var(--radius-lg);
    background-color: var(--color-accent);
    color: white;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    align-self: flex-end;
}

.btn-send:hover:not(:disabled) {
    background-color: var(--color-accent-hover);
}

.btn-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-send svg {
    width: 18px;
    height: 18px;
}

.input-footer {
    text-align: center;
    margin-top: var(--spacing-sm);
}

.model-info {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* HIPAA Notice */
.hipaa-notice {
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hipaa-notice-title {
    font-size: 13px;
    font-weight: 700;
    color: #dc2626;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.hipaa-notice-text {
    font-size: 12px;
    color: #dc2626;
    line-height: 1.5;
}

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

::-webkit-scrollbar-track {
    background: transparent;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100%;
        z-index: 100;
        transition: left var(--transition-normal);
    }

    .sidebar.open {
        left: 0;
    }

    .welcome-actions {
        flex-direction: column;
    }
}