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

/* ==================== LOGIN SCREEN ==================== */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4A6FA5 0%, #5A7BBF 50%, #6B8BD4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.login-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-content {
    text-align: center;
    padding: 40px;
    max-width: 500px;
    width: 90%;
}

.login-logo {
    margin-bottom: 40px;
}

.login-logo img {
    max-width: 280px;
    height: auto;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.2));
}

.login-title {
    color: #ffffff;
    font-size: 32px;
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 50px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.login-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.login-label {
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

.login-input {
    width: 100%;
    max-width: 320px;
    padding: 16px 20px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    background: #ffffff;
    color: #333;
    outline: none;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.login-input:focus {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
}

.login-input::placeholder {
    color: #999;
}

.login-input.shake {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-10px); }
    40% { transform: translateX(10px); }
    60% { transform: translateX(-10px); }
    80% { transform: translateX(10px); }
}

.login-button {
    width: 100%;
    max-width: 320px;
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    background: #ffffff;
    color: #5A7BBF;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-button:hover {
    background: #f0f4ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.login-button:active {
    transform: translateY(0);
}

.login-error {
    color: #ffcdd2;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
    margin-top: 8px;
}

.login-error.visible {
    opacity: 1;
}

/* ==================== END LOGIN SCREEN ==================== */

:root {
    /* Teams Dark Theme Colors */
    --bg-primary: #1f1f1f;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3d3d3d;
    --bg-hover: #404040;
    
    /* Message colors */
    --msg-ai: #3d3d3d;
    --msg-user: #4f4f91;
    --msg-user-gradient: linear-gradient(135deg, #5b5fc7 0%, #4f4f91 100%);
    
    /* Accent colors */
    --accent-primary: #6264a7;
    --accent-secondary: #7b83eb;
    --accent-glow: rgba(98, 100, 167, 0.3);
    
    /* Text colors */
    --text-primary: #ffffff;
    --text-secondary: #d1d1d1;
    --text-tertiary: #a0a0a0;
    --text-muted: #6e6e6e;
    
    /* Data card colors */
    --card-bg: #2a2a2a;
    --card-border: #404040;
    --card-highlight: #4f4f91;
    
    /* Status colors */
    --success: #92c353;
    --warning: #f8d22a;
    --danger: #e74856;
    --info: #4fc3f7;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

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

/* Sidebar */
.sidebar {
    width: 68px;
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-right: 1px solid var(--bg-tertiary);
}

.sidebar-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.wiselink-logo {
    width: 48px;
    height: 48px;
}

.wiselink-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.sidebar-title {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--accent-primary);
    color: var(--text-primary);
}

.nav-item svg {
    width: 24px;
    height: 24px;
}

.nav-item span {
    font-size: 10px;
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    min-width: 0;
}

/* Chat Header */
.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--bg-tertiary);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-avatar {
    background: transparent;
    overflow: hidden;
}

.ai-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.chat-header-text h1 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 2px;
}

.chat-header-text .status {
    font-size: 12px;
    color: var(--text-tertiary);
}

.chat-header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.header-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.header-btn svg {
    width: 20px;
    height: 20px;
}

/* Messages Container */
.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    scroll-behavior: smooth;
}

.messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

/* Message Wrapper */
.message-wrapper {
    display: flex;
    gap: var(--spacing-md);
    animation: messageSlideIn var(--transition-slow) ease-out;
}

.message-wrapper.user {
    flex-direction: row-reverse;
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Message Avatar */
.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    overflow: hidden;
}

.message-avatar svg {
    width: 18px;
    height: 18px;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message-wrapper.user .message-avatar {
    background: var(--msg-user-gradient);
}

.message-wrapper.ai .message-avatar {
    background: transparent;
}

/* Message Bubble */
.message {
    max-width: 75%;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    position: relative;
}

.ai-message {
    background-color: var(--msg-ai);
    border-bottom-left-radius: var(--radius-sm);
}

.user-message {
    background: var(--msg-user-gradient);
    border-bottom-right-radius: var(--radius-sm);
}

.message-sender {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.message-wrapper.user .message-sender {
    text-align: right;
}

.message-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
}

.message-content em {
    color: var(--text-tertiary);
    font-size: 13px;
}

.message-content kbd {
    background-color: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Segoe UI', monospace;
    font-size: 12px;
    border: 1px solid var(--bg-tertiary);
}

.message-content strong {
    color: var(--accent-secondary);
}

.message-content ul, .message-content ol {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.message-content li {
    margin-bottom: var(--spacing-xs);
}

/* Typing Indicator */
.typing-indicator {
    display: none;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    max-width: 900px;
    margin: 0 auto;
}

.typing-indicator.visible {
    display: flex;
}

.typing-dots {
    display: flex;
    gap: 4px;
    padding: var(--spacing-md);
    background-color: var(--msg-ai);
    border-radius: var(--radius-lg);
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background-color: var(--text-tertiary);
    border-radius: 50%;
    animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-8px);
    }
}

/* Data Cards */
.data-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
    animation: cardGlow var(--transition-slow) ease-out;
}

@keyframes cardGlow {
    0% {
        box-shadow: 0 0 0 0 var(--accent-glow);
        opacity: 0;
        transform: translateY(5px);
    }
    50% {
        box-shadow: 0 0 20px 5px var(--accent-glow);
    }
    100% {
        box-shadow: 0 0 0 0 transparent;
        opacity: 1;
        transform: translateY(0);
    }
}

.data-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--card-border);
}

.data-card-icon {
    width: 24px;
    height: 24px;
    color: var(--accent-secondary);
}

.data-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.data-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.data-metric {
    text-align: center;
    padding: var(--spacing-sm);
}

.data-metric-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-secondary);
    line-height: 1.2;
}

.data-metric-value.success {
    color: var(--success);
}

.data-metric-value.warning {
    color: var(--warning);
}

.data-metric-value.danger {
    color: var(--danger);
}

.data-metric-value.info {
    color: var(--info);
}

.data-metric-label {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

/* Feature List in Data Cards */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.feature-icon {
    width: 20px;
    height: 20px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Timeline in Data Cards */
.timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background-color: var(--accent-primary);
}

.timeline-item {
    position: relative;
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-lg) + 4px);
    top: 12px;
    width: 10px;
    height: 10px;
    background-color: var(--accent-secondary);
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
}

.timeline-date {
    font-size: 11px;
    color: var(--accent-secondary);
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-content {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Progress Bar */
.progress-container {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--bg-tertiary);
}

.progress-bar {
    height: 4px;
    background-color: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    border-radius: 2px;
    transition: width var(--transition-normal);
    width: 0%;
}

.progress-text {
    font-size: 11px;
    color: var(--text-tertiary);
    text-align: center;
}

/* Input Container */
.input-container {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.input-wrapper:hover {
    background-color: var(--bg-hover);
}

.input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

.send-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--accent-primary);
    color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.send-btn:hover {
    background: var(--accent-secondary);
    transform: scale(1.05);
}

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

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

.messages-container::-webkit-scrollbar-track {
    background: transparent;
}

.messages-container::-webkit-scrollbar-thumb {
    background-color: var(--bg-tertiary);
    border-radius: 4px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--bg-hover);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 56px;
    }
    
    .sidebar-title {
        display: none;
    }
    
    .message {
        max-width: 85%;
    }
    
    .data-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Quote styling */
.message-content blockquote {
    border-left: 3px solid var(--accent-primary);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-style: italic;
}

/* Callout Box */
.callout-box {
    background: linear-gradient(135deg, #2a3f5f 0%, #1e3a5f 100%);
    border-left: 4px solid var(--warning);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.callout-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--spacing-sm);
}

.callout-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* Pillar Cards (3-column layout) */
.pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

@media (max-width: 800px) {
    .pillar-grid {
        grid-template-columns: 1fr;
    }
}

.pillar-card {
    background-color: #1a2332;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.pillar-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.pillar-card.red::before { background-color: #e74856; }
.pillar-card.yellow::before { background-color: #f8d22a; }
.pillar-card.teal::before { background-color: #4ecdc4; }

.pillar-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-sm);
}

.pillar-card.red .pillar-title { color: #e74856; }
.pillar-card.yellow .pillar-title { color: #f8d22a; }
.pillar-card.teal .pillar-title { color: #4ecdc4; }

.pillar-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pillar-items li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-sm);
    position: relative;
    line-height: 1.4;
}

.pillar-items li::before {
    content: '•';
    position: absolute;
    left: -8px;
    color: var(--text-tertiary);
}

/* Automation History Timeline */
.automation-history {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

@media (max-width: 600px) {
    .automation-history {
        grid-template-columns: repeat(2, 1fr);
    }
}

.automation-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    position: relative;
}

.automation-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-bottom: var(--spacing-xs);
}

.automation-item.highlight .automation-icon {
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(231, 72, 86, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 12px 4px rgba(231, 72, 86, 0.3);
    }
}

.automation-icon svg {
    width: 18px;
    height: 18px;
    color: #fff;
}

.automation-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.automation-era {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.automation-tech {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.automation-displaced {
    font-size: 11px;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 4px;
}

.automation-displaced svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.automation-displaced .strike {
    text-decoration: line-through;
    opacity: 0.6;
}

.automation-item.highlight {
    background: linear-gradient(135deg, rgba(231, 72, 86, 0.2) 0%, rgba(231, 72, 86, 0.1) 100%);
    border: 1px solid rgba(231, 72, 86, 0.3);
}

.automation-item.highlight .automation-tech {
    color: #e74856;
}

.automation-item.highlight .automation-era {
    color: #e74856;
    opacity: 1;
}

/* Highlight box */
.highlight-box {
    background-color: rgba(98, 100, 167, 0.15);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.highlight-box-title {
    font-weight: 600;
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Section headers in messages */
.section-header {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: var(--spacing-md) 0 var(--spacing-sm) 0;
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--bg-tertiary);
}