:root {
    --bg-color: #050b14;
    --app-bg: rgba(0, 0, 0, 0.4);
    --app-border: rgba(255, 255, 255, 0.3);
    
    /* Default / General Theme Variables */
    --theme-color-1: #4f46e5;
    --theme-color-2: #818cf8;
    --theme-accent: #c7d2fe;
    
    --text-main: #ffffff;
    --text-muted: #d1d5db;
    --bot-msg-bg: rgba(0, 0, 0, 0.4);
    --user-msg-text: #ffffff;
    --border-color: rgba(255, 255, 255, 0.3);
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-lg: 16px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-y: auto;
    position: relative;
    margin: 0;
    font-size: 16px;
}

h1, h2, h3 {
    font-weight: 700;
    color: #ffffff;
}

/* Aurora Background */
.aurora-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.02) 45%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.02) 55%, transparent 60%),
                linear-gradient(135deg, var(--bg-color), #091020);
    background-size: 200% 200%, 100% 100%;
    animation: bgStreaks 20s linear infinite;
    overflow: hidden;
}

.aurora-bg::before, .aurora-bg::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle at 50% 50%, var(--theme-color-1), transparent 60%),
                radial-gradient(circle at 80% 20%, var(--theme-color-2), transparent 50%),
                radial-gradient(circle at 20% 80%, var(--theme-accent), transparent 50%);
    filter: blur(120px);
    opacity: 0.6;
    animation: auroraFlow 25s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
    transition: background 1.5s ease;
    mix-blend-mode: color-dodge;
}

.aurora-bg::after {
    background: radial-gradient(circle at 20% 50%, var(--theme-color-2), transparent 60%),
                radial-gradient(circle at 70% 80%, var(--theme-color-1), transparent 50%);
    animation: auroraFlow 30s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate-reverse;
    opacity: 0.5;
    mix-blend-mode: overlay;
}

@keyframes auroraFlow {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    50% { transform: translate(-5%, 5%) scale(1.05) rotate(2deg); }
    100% { transform: translate(5%, -5%) scale(1) rotate(-2deg); }
}

@keyframes bgStreaks {
    0% { background-position: 200% 0, 0 0; }
    100% { background-position: -200% 0, 0 0; }
}

.app-header {
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(20px);
    gap: 15px;
}

.translate-wrapper {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.translate-wrapper:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Google Translate Overrides */
#google_translate_element {
    height: 24px;
    display: flex;
    align-items: center;
}

.goog-te-gadget-simple {
    background-color: transparent !important;
    border: none !important;
    padding: 0 !important;
    font-family: inherit !important;
    display: flex !important;
    align-items: center !important;
}

.goog-te-gadget-icon {
    display: none !important;
}

.goog-te-menu-value {
    margin-left: 0 !important;
    color: var(--text-main) !important;
}

.goog-te-menu-value span {
    color: var(--text-main) !important;
    font-size: 0.9rem !important;
    font-weight: 500 !important;
    text-decoration: none !important;
}

.goog-te-menu-value span:nth-child(3) {
    display: none !important; /* Hide the arrow if we want to use our own or keep it clean */
}

.goog-te-menu-value span:nth-child(5) {
    display: none !important; /* Hide the vertical bar */
}

.app-container {
    width: 100%;
    max-width: 100%;
    height: 100vh;
    min-height: 100vh;
    background: var(--app-bg);
    backdrop-filter: blur(30px) saturate(150%);
    -webkit-backdrop-filter: blur(30px) saturate(150%);
    border: none;
    border-radius: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.5s ease;
}

/* Header */
.app-header {
    padding: 24px;
    background: rgba(255, 255, 255, 0.4);
    border-bottom: 1px solid var(--border-color);
    z-index: 10;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.assistant-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--theme-color-1), var(--theme-color-2));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: background 0.5s ease;
}

.avatar-small {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--theme-color-1), var(--theme-color-2));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: background 0.5s ease;
}

.info h1 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.status {
    font-size: 0.8rem;
    color: #10b981;
    display: flex;
    align-items: center;
    gap: 4px;
}

.status::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.timeline-link {
    text-decoration: none;
    color: var(--theme-color-1);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-full);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.timeline-link:hover {
    background: var(--theme-color-1);
    color: white;
    box-shadow: 0 0 10px var(--theme-accent);
}

.restart-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 8px;
    border-radius: 50%;
}

.restart-btn:hover {
    color: var(--theme-color-1);
    background: #f3f4f6;
    transform: rotate(180deg);
}

/* Progress Tracker */
.progress-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 0 10px;
    display: none; /* Hidden by default, shown when a flow starts */
}

.progress-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20px;
    right: 20px;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
    transform: translateY(-50%);
}

.step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.step-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--app-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.step.active .step-icon {
    border-color: var(--theme-color-1);
    background: var(--theme-color-1);
    color: white;
    box-shadow: 0 0 12px var(--theme-accent);
}

.step.completed .step-icon {
    border-color: var(--theme-color-1);
    background: var(--app-bg);
    color: var(--theme-color-1);
}

.step-label {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    text-align: center;
    max-width: 50px;
    line-height: 1.1;
}

.step.active .step-label {
    color: var(--theme-color-1);
    font-weight: 600;
}

/* Chat Area */
.chat-area {
    flex: 1;
    padding: 30px;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--theme-color-2) transparent;
    background: linear-gradient(to bottom, rgba(255,255,255,0.2) 0%, transparent 100%);
}

.chat-area::-webkit-scrollbar {
    width: 6px;
}
.chat-area::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.1);
    border-radius: 10px;
}

.message-wrapper {
    display: flex;
    gap: 12px;
    max-width: 85%;
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

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

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

.message-bubble {
    padding: 16px 20px;
    border-radius: 22px;
    font-size: 1.05rem;
    line-height: 1.5;
    max-width: 800px;
    position: relative;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.bot .message-bubble {
    background: var(--bot-msg-bg);
    color: var(--text-main);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.user .message-bubble {
    background: linear-gradient(135deg, var(--theme-color-1), var(--theme-color-2));
    color: var(--user-msg-text);
    border-bottom-right-radius: 4px;
    box-shadow: 0 5px 20px var(--theme-accent);
    transition: background 0.5s ease;
}

/* Typing Indicator */
.typing-indicator-container {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 0 20px 10px 20px;
}

.typing-bubble {
    background: var(--bot-msg-bg);
    padding: 12px 16px;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-bubble span {
    width: 6px;
    height: 6px;
    background-color: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.typing-bubble span:nth-child(1) { animation-delay: -0.32s; }
.typing-bubble span:nth-child(2) { animation-delay: -0.16s; }

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

/* Options Area */
.options-area {
    padding: 20px 24px 30px;
    background: rgba(255, 255, 255, 0.4);
    border-top: 1px solid var(--border-color);
}

.options-area {
    padding: 20px;
    background: rgba(255, 255, 255, 0.4);
    border-top: 1px solid var(--border-color);
    z-index: 10;
}

.options-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

/* Chat Input Area */
.chat-input-container {
    display: flex;
    gap: 12px;
    max-width: 1000px;
    margin: 20px auto 0;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 12px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.chat-input-container:focus-within {
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--theme-color-2);
    box-shadow: 0 8px 32px var(--theme-accent);
}

#user-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1rem;
    padding: 10px;
    outline: none;
    font-family: inherit;
}

#user-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#send-btn {
    background: linear-gradient(135deg, var(--theme-color-1), var(--theme-color-2));
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#send-btn:hover {
    transform: scale(1.1) rotate(-10deg);
    box-shadow: 0 6px 20px var(--theme-accent);
}

#send-btn:active {
    transform: scale(0.95);
}

.option-btn {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    border: 1px solid var(--theme-color-2);
    color: var(--text-main);
    padding: 10px 18px;
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    animation: fadeIn 0.3s ease-out forwards;
    opacity: 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

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

.option-btn:hover {
    background: linear-gradient(135deg, var(--theme-color-1), var(--theme-color-2));
    color: white;
    box-shadow: 0 6px 25px var(--theme-accent);
    transform: translateY(-3px) scale(1.02);
    border-color: transparent;
}

.option-btn.primary {
    background: linear-gradient(135deg, var(--theme-color-1), var(--theme-color-2));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.option-btn.primary:hover {
    box-shadow: 0 8px 30px var(--theme-accent);
    transform: translateY(-4px) scale(1.03);
}

/* Responsive Header */
@media (max-width: 480px) {
    .app-header {
        padding: 12px 16px;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    .translate-wrapper {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 5px;
    }
    
    .bot-profile .info h1 {
        font-size: 1.1rem;
    }
    
    .app-container {
        min-height: 100vh;
        border-radius: 0;
        border: none;
    }
}