/**
 * dataFriend Chatbot Widget Styles
 * Professional styling matching Novo Nordisk design system
 * Supports both in-page widget and standalone new window modes
 */

/* CSS Custom Properties for consistent theming */
:root {
    --datafriend-primary: #001965;
    --datafriend-accent: #007AFF;
    --datafriend-bg-light: #f5f7fa;
    --datafriend-bg-white: #ffffff;
    --datafriend-text-dark: #2c3e50;
    --datafriend-text-light: #6c757d;
    --datafriend-border: #e9ecef;
    --datafriend-shadow: 0 4px 12px rgba(0, 25, 101, 0.15);
    --datafriend-shadow-hover: 0 8px 24px rgba(0, 25, 101, 0.2);
    --datafriend-radius: 6px;
    --datafriend-font: 'apis', 'Helvetica Neue', Arial, sans-serif;
    --datafriend-z-index: 1001;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --datafriend-bg-light: #2c3e50;
        --datafriend-bg-white: #34495e;
        --datafriend-text-dark: #ecf0f1;
        --datafriend-text-light: #bdc3c7;
        --datafriend-border: #4a5568;
    }
}

/* ===== FLOATING BUTTON ===== */
.datafriend-floating-button {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--datafriend-primary) 0%, #003885 100%);
    border-radius: 50%;
    box-shadow: var(--datafriend-shadow);
    cursor: pointer;
    z-index: var(--datafriend-z-index);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    outline: none;
}

.datafriend-floating-button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--datafriend-shadow-hover);
}

.datafriend-floating-button:focus-visible {
    outline: 2px solid var(--datafriend-accent);
    outline-offset: 2px;
}

.datafriend-floating-button:active {
    transform: translateY(-1px) scale(1.02);
}

.datafriend-button-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.datafriend-icon {
    color: white;
    transition: transform 0.2s ease;
}

.datafriend-floating-button:hover .datafriend-icon {
    transform: scale(1.1);
}

.datafriend-tooltip {
    position: absolute;
    bottom: 100%;
    right: 0;
    background: var(--datafriend-text-dark);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    margin-bottom: 8px;
    font-family: var(--datafriend-font);
}

.datafriend-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--datafriend-text-dark);
}

.datafriend-floating-button:hover .datafriend-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-2px);
}

/* ===== WIDGET CONTAINER ===== */
.datafriend-widget-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 360px;
    max-height: 600px;
    z-index: var(--datafriend-z-index);
    font-family: var(--datafriend-font);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.datafriend-chat-window {
    background: var(--datafriend-bg-white);
    border-radius: var(--datafriend-radius);
    box-shadow: var(--datafriend-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 500px;
    border: 1px solid var(--datafriend-border);
}

/* ===== HEADER ===== */
.datafriend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--datafriend-primary) 0%, #003885 100%);
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.datafriend-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.datafriend-avatar {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.datafriend-name {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.datafriend-brand {
    font-size: 16px;
    font-weight: 600;
    color: white;
}

.datafriend-status {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.datafriend-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.datafriend-controls {
    display: flex;
    gap: 8px;
}

.datafriend-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: white;
    cursor: pointer;
    padding: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    outline: none;
}

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

.datafriend-btn:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 1px;
}

.datafriend-btn:active {
    transform: translateY(0);
    background: rgba(255, 255, 255, 0.3);
}

/* ===== MESSAGES CONTAINER ===== */
.datafriend-messages-container {
    flex: 1;
    overflow-y: auto;
    background: var(--datafriend-bg-light);
}

.datafriend-messages {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 100%;
}

/* Custom scrollbar */
.datafriend-messages-container::-webkit-scrollbar {
    width: 6px;
}

.datafriend-messages-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.datafriend-messages-container::-webkit-scrollbar-thumb {
    background: rgba(0, 25, 101, 0.2);
    border-radius: 3px;
}

.datafriend-messages-container::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 25, 101, 0.3);
}

/* ===== MESSAGE BUBBLES ===== */
.datafriend-message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: messageSlide 0.2s ease-out;
}

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

.datafriend-user-message {
    align-self: flex-end;
    align-items: flex-end;
}

.datafriend-bot-message {
    align-self: flex-start;
    align-items: flex-start;
}

.datafriend-message-content {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
    position: relative;
}

.datafriend-user-message .datafriend-message-content {
    background: var(--datafriend-primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.datafriend-bot-message .datafriend-message-content {
    background: var(--datafriend-bg-white);
    color: var(--datafriend-text-dark);
    border: 1px solid var(--datafriend-border);
    border-bottom-left-radius: 4px;
}

.datafriend-message-time {
    font-size: 11px;
    color: var(--datafriend-text-light);
    margin-top: 4px;
    margin-bottom: 0;
    font-weight: 400;
}

.datafriend-user-message .datafriend-message-time {
    text-align: right;
}

.datafriend-bot-message .datafriend-message-time {
    text-align: left;
}

/* ===== INPUT CONTAINER ===== */
.datafriend-input-container {
    background: var(--datafriend-bg-white);
    border-top: 1px solid var(--datafriend-border);
    padding: 16px;
}

.datafriend-input-wrapper {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.datafriend-input {
    flex: 1;
    border: 1px solid var(--datafriend-border);
    border-radius: 20px;
    padding: 10px 16px;
    font-size: 14px;
    font-family: var(--datafriend-font);
    color: var(--datafriend-text-dark);
    background: var(--datafriend-bg-light);
    outline: none;
    resize: none;
    transition: all 0.2s ease;
    min-height: 20px;
    max-height: 80px;
}

.datafriend-input:focus {
    border-color: var(--datafriend-accent);
    background: var(--datafriend-bg-white);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.1);
}

.datafriend-input::placeholder {
    color: var(--datafriend-text-light);
}

.datafriend-send-button {
    background: var(--datafriend-accent);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    outline: none;
}

.datafriend-send-button:hover {
    background: #0051d5;
    transform: translateY(-1px);
}

.datafriend-send-button:focus-visible {
    outline: 2px solid var(--datafriend-accent);
    outline-offset: 2px;
}

.datafriend-send-button:active {
    transform: translateY(0);
    background: #004bb5;
}

.datafriend-send-button:disabled {
    background: var(--datafriend-text-light);
    cursor: not-allowed;
    transform: none;
}

.datafriend-typing-indicator {
    padding: 8px 0 0 0;
    color: var(--datafriend-text-light);
    font-size: 12px;
    font-style: italic;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ===== STANDALONE WINDOW STYLES ===== */
.datafriend-standalone {
    height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: none;
    border-radius: 0;
    box-shadow: none;
}

.datafriend-standalone .datafriend-chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    border-radius: 0;
    border: none;
    max-height: none;
}

.datafriend-standalone .datafriend-header {
    border-radius: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 24px;
}

.datafriend-standalone .datafriend-controls {
    /* Hide controls in standalone window */
    display: none;
}

.datafriend-standalone .datafriend-messages-container {
    flex: 1;
    overflow-y: auto;
}

.datafriend-standalone .datafriend-messages {
    padding: 24px;
    gap: 20px;
}

.datafriend-standalone .datafriend-input-container {
    padding: 20px 24px 24px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .datafriend-widget-container {
        width: 90vw;
        right: 5vw;
        bottom: 20px;
        max-height: 70vh;
    }

    .datafriend-floating-button {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }

    .datafriend-chat-window {
        height: 60vh;
        max-height: 70vh;
    }

    .datafriend-header {
        padding: 12px 16px;
    }

    .datafriend-brand {
        font-size: 14px;
    }

    .datafriend-status,
    .datafriend-subtitle {
        display: none;
    }

    .datafriend-controls {
        gap: 6px;
    }

    .datafriend-btn {
        padding: 6px;
    }

    .datafriend-messages {
        padding: 12px;
        gap: 12px;
    }

    .datafriend-message {
        max-width: 90%;
    }

    .datafriend-message-content {
        padding: 10px 12px;
        font-size: 13px;
    }

    .datafriend-input-container {
        padding: 12px;
    }

    .datafriend-input {
        padding: 8px 12px;
        font-size: 13px;
    }

    .datafriend-send-button {
        width: 36px;
        height: 36px;
    }

    /* Standalone mobile adjustments */
    .datafriend-standalone .datafriend-messages {
        padding: 16px;
    }

    .datafriend-standalone .datafriend-input-container {
        padding: 16px;
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    :root {
        --datafriend-border: #000000;
        --datafriend-text-light: #000000;
    }

    .datafriend-btn {
        border-width: 2px;
    }

    .datafriend-input {
        border-width: 2px;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    .datafriend-floating-button,
    .datafriend-btn,
    .datafriend-send-button,
    .datafriend-input,
    .datafriend-message,
    .datafriend-widget-container {
        transition: none;
        animation: none;
    }

    .datafriend-floating-button:hover {
        transform: none;
    }

    .datafriend-btn:hover,
    .datafriend-send-button:hover {
        transform: none;
    }
}

/* ===== FOCUS MANAGEMENT ===== */
.datafriend-focus-trap {
    position: fixed;
    top: -1px;
    left: -1px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

/* ===== ACCESSIBILITY IMPROVEMENTS ===== */
.datafriend-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Live region for screen readers */
[aria-live="polite"] {
    position: relative;
}

/* ===== PRINT STYLES ===== */
@media print {
    .datafriend-floating-button,
    .datafriend-widget-container {
        display: none !important;
    }
}