/* ==========================================================================
   AI ADVISOR PAGE STYLES - M3 PIXEL ASSISTANT (FIXED LAYOUT)
   ========================================================================== */

/* 1. Root App Layout */
.advisor-page-body {
    background-color: var(--md-sys-color-surface-container-low);
    background-image: radial-gradient(var(--md-sys-color-surface-container-high) 1.5px, transparent 1.5px);
    background-size: 32px 32px;
    height: 100vh;
    overflow: hidden; 
    display: flex;
    flex-direction: column;
}

.advisor-main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center; 
    padding: 24px;
    min-height: 0; /* ΚΡΙΣΙΜΟ: Επιτρέπει στο εσωτερικό να κάνει σωστό scroll */
}

.advisor-container {
    width: 100%;
    max-width: 900px; /* Ιδανικό πλάτος για διάβασμα */
    height: 100%;
    max-height: 850px; 
    display: flex;
    flex-direction: column;
}

/* 2. Chat Interface (M3 Elevated Container) */
.chat-interface {
    background-color: var(--md-sys-color-surface);
    border-radius: var(--md-sys-shape-corner-extra-large); 
    box-shadow: var(--md-sys-elevation-2);
    border: 1px solid var(--md-sys-color-surface-container-high);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0; /* ΚΡΙΣΙΜΟ: Σταματάει το "πνίξιμο" του chat history */
    overflow: hidden;
    transition: background-color 0.4s var(--md-sys-motion-easing-emphasized);
}

/* 3. Header Styling (Περιορισμός μεγέθους για να μην κρύβει το chat) */
.chat-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--md-sys-color-surface-container-high);
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: transparent;
    flex-shrink: 0; /* Το header δεν συμπιέζεται */
    max-height: 180px; /* Αποτρέπει το header από το να πιάσει μισή οθόνη */
}

/* Αν έχεις βάλει μεγάλη εικόνα, της λέμε να προσαρμοστεί */
.chat-header img {
    max-height: 100px;
    width: auto;
    object-fit: contain;
}

.chat-header .title-large {
    font-size: 22px;
    font-weight: 600;
    color: var(--md-sys-color-primary);
    letter-spacing: -0.3px;
    margin-bottom: 4px;
}

.chat-header .body-medium {
    font-size: 14px;
    opacity: 0.7;
    color: var(--md-sys-color-on-surface);
}

/* 4. Chat History (ΕΔΩ ΕΓΙΝΕ Η ΜΕΓΑΛΗ ΔΙΟΡΘΩΣΗ) */
.chat-history {
    flex: 1 1 0; /* Η μαγεία του Flexbox: Επιτρέπει απόλυτο scroll */
    min-height: 0; 
    overflow-y: auto;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    background-color: transparent;
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
.chat-history::-webkit-scrollbar { width: 6px; }
.chat-history::-webkit-scrollbar-track { background: transparent; }
.chat-history::-webkit-scrollbar-thumb { 
    background: var(--md-sys-color-surface-container-high); 
    border-radius: 10px; 
}

/* 5. Message Bubbles (Material 3 Messaging Style) */
.chat-message { display: flex; max-width: 85%; }

.message-bubble {
    padding: 16px 20px;
    font-size: 15px;
    line-height: 1.6;
    letter-spacing: 0.2px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

/* Bot Messages */
.bot-message { align-self: flex-start; }
.bot-message .message-bubble {
    background-color: var(--md-sys-color-surface-container-low);
    color: var(--md-sys-color-on-surface);
    /* Η "ουρά" δείχνει πάνω αριστερά */
    border-radius: 4px 24px 24px 24px; 
    border: 1px solid var(--md-sys-color-surface-container-high);
}

/* User Messages */
.user-message { align-self: flex-end; }
.user-message .message-bubble {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    /* Η "ουρά" δείχνει κάτω δεξιά */
    border-radius: 24px 24px 4px 24px;
    box-shadow: 0 4px 12px rgba(10, 58, 106, 0.15);
}

/* 6. Suggestions Area (Chips) */
.suggested-questions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto; 
    padding-top: 16px;
}

.suggestion-chip {
    background-color: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-primary);
    border-radius: var(--md-sys-shape-corner-full);
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s var(--md-sys-motion-easing-emphasized);
}

.suggestion-chip:hover {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-primary);
    border-color: transparent;
    transform: translateY(-2px);
}

/* 7. Input Area */
.chat-input-area {
    padding: 24px 32px;
    background-color: transparent; 
    border-top: 1px solid var(--md-sys-color-surface-container-high);
    flex-shrink: 0;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--md-sys-color-surface-container-high);
    border-radius: var(--md-sys-shape-corner-extra-large); 
    padding: 6px 8px 6px 24px;
    border: 2px solid transparent;
    transition: all 0.3s var(--md-sys-motion-easing-emphasized);
}

.input-wrapper:focus-within {
    background-color: var(--md-sys-color-surface);
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 4px var(--md-sys-color-primary-container);
}

.chat-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 16px;
    color: var(--md-sys-color-on-surface);
    outline: none;
    padding: 14px 0;
}
.chat-input::placeholder { color: var(--md-sys-color-on-surface); opacity: 0.5; }

/* The Send Button */
.send-btn {
    background-color: var(--md-sys-color-primary) !important; 
    color: var(--md-sys-color-on-primary) !important; 
    border: none;
    width: 48px; 
    height: 48px;
    border-radius: 50%; 
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

.send-btn .material-symbols-rounded {
    font-size: 24px;
    color: white; 
    transition: transform 0.2s;
}

.send-btn:hover { background-color: var(--md-sys-color-secondary) !important; }
.send-btn:hover .material-symbols-rounded { transform: translateX(2px) scale(1.1); }
.send-btn:active { transform: scale(0.95); }

/* 8. Disclaimer & Info */
.app-footer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    font-size: 12px;
    color: var(--md-sys-color-on-surface);
    opacity: 0.5;
}

.app-legal-links a { color: var(--md-sys-color-on-surface); text-decoration: none; transition: color 0.2s; }
.app-legal-links a:hover { color: var(--md-sys-color-primary); text-decoration: underline; }

/* 9. Mobile Responsive Fixes */
@media (max-width: 768px) {
    .advisor-main { padding: 12px; height: calc(100vh - 64px); }
    .advisor-container { max-height: none; max-width: 100%;}
    
    .chat-interface { border-radius: 20px; border: none; }
    .chat-header { padding: 16px 20px; gap: 12px; max-height: 120px; }
    .chat-header img { max-height: 60px; } /* Μικραίνει η εικόνα στα κινητά */
    .chat-history { padding: 20px 16px; gap: 16px;}
    
    .chat-message { max-width: 90%; }
    
    .chat-input-area { padding: 16px; }
    .input-wrapper { padding: 4px 6px 4px 16px; }
    .chat-input { font-size: 15px; }
    
    .app-footer-info { flex-direction: column; gap: 8px; text-align: center; }
}

/* ==========================================================================
   DARK MODE ADJUSTMENTS
   ========================================================================== */
body.dark-mode .advisor-page-body {
    background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1.5px, transparent 1.5px);
}

body.dark-mode .chat-interface {
    background-color: rgba(20, 22, 28, 0.85); 
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.05);
}

body.dark-mode .suggestion-chip {
    border-color: rgba(255, 255, 255, 0.15);
}