/* --- Core Reset & Font --- */
:root {
    --bg-main: #141416;
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.1);
    --text-primary: #f5f5f7;
    --accent: #00C853; /* Green ChatGPT accent */
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif;
}

body {
    background: radial-gradient(circle at top left, #1a1a1e, var(--bg-main));
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh; /* Fallback */
    height: 100dvh; /* Mobile Safari fix */
    overflow: hidden;
}

/* --- Dashboard Grid & Glassy Effect --- */
.dashboard-container {
    width: 100vw;
    height: 100vh; /* Fallback */
    height: 100dvh; /* Mobile Safari fix */
    display: grid;
    grid-template-columns: 280px 1fr;
    border: none;
    overflow: hidden;
}

.sidebar-glassy,
.main-panel-glassy {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border-radius: 0;
}

/* --- Sidebar --- */
.sidebar-glassy {
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    border-right-width: 0.5px;
    z-index: 10;
}

.know-your-car-title {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.new-chat-btn {
    background: none;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 12px;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.new-chat-btn:hover {
    background: var(--accent);
    color: white;
}

.recent-chats-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* --- Main Panel --- */
.main-panel-glassy {
    position: relative;
    display: grid;
    grid-template-rows: 60px 1fr 100px;
    overflow: hidden;
}

.main-header {
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-glass);
}

.user-id-icon {
    width: 35px;
    height: 35px;
    background: #303F9F;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Greeting & Suggestion Cards */
.greeting-container {
    padding: 60px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.big-greeting {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
}

.suggestion-cards {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 900px;
}

.suggestion-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 20px;
    border-radius: 15px;
    width: 250px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 8px;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
}

.suggestion-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.card-icon {
    font-size: 24px;
    margin-bottom: 10px;
}

.card-title {
    font-weight: 600;
    font-size: 16px;
}

.card-sub {
    font-size: 13px;
    color: #a1a1aa;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.message {
    padding: 15px 20px;
    border-radius: 12px;
    max-width: 80%;
    line-height: 1.6;
    font-size: 15px;
}

.user-msg {
    align-self: flex-end;
    background: none;
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--accent);
}

.bot-msg {
    align-self: flex-start;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: #e4e4e7;
}

/* Loader Animation */
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    color: var(--accent);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 200, 83, 0.2);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Input Area --- */
.input-area-glassy {
    padding: 20px 30px;
    display: flex;
    align-items: center;
    border-top: 1px solid var(--border-glass);
    position: relative;
    z-index: 10;
}

#user-input {
    flex: 1;
    padding: 15px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    border-radius: 20px;
    outline: none;
    font-size: 16px; /* <-- Change this to 16px */
}

.send-btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    margin-left: 10px;
    display: flex;
}

.send-btn-icon svg {
    width: 24px;
    height: 24px;
    transition: transform 0.2s;
}

.send-btn-icon path {
    stroke: var(--accent);
}

.send-btn-icon:hover svg {
    transform: translateX(3px) translateY(-3px) scale(1.05);
}

/* --- Responsive Adjustments (Responsiveness) --- */
@media (max-width: 900px) {
    .dashboard-container {
        grid-template-columns: 1fr; /* Hide sidebar by default on smaller screens */
    }
    .sidebar-glassy {
        display: none;
    }
    .main-panel-glassy {
        grid-template-rows: 60px 1fr 100px;
    }
    .big-greeting {
        font-size: 26px;
    }
}

@media (max-width: 600px) {
    .suggestion-card {
        width: 100%;
    }
    .chat-messages {
        padding: 15px;
    }
    .input-area-glassy {
        padding: 15px;
    }
}