/* ========================================
   NEURAL NEXUS AI - MODERN AI INTERFACE
   ======================================== */

/* AI Section Container */
.ai-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.25) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.2) 0%, transparent 60%),
        radial-gradient(circle at 40% 60%, rgba(237, 117, 99, 0.15) 0%, transparent 60%),
        linear-gradient(135deg, 
            rgba(10, 10, 30, 0.98) 0%, 
            rgba(20, 20, 50, 0.96) 50%, 
            rgba(30, 30, 70, 0.94) 100%);
    backdrop-filter: blur(60px);
    z-index: 1000;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(50px) scale(0.95);
    transition: all 1.2s cubic-bezier(0.23, 1, 0.320, 1);
}

.ai-section.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* AI Container */
.ai-container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 50px 30px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* AI Header - Ultra Modern Design */
.ai-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 50px;
    background: 
        linear-gradient(135deg, 
            rgba(255, 255, 255, 0.12) 0%, 
            rgba(255, 255, 255, 0.06) 50%,
            rgba(255, 255, 255, 0.12) 100%);
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    backdrop-filter: blur(30px);
    box-shadow: 
        0 60px 120px rgba(0, 0, 0, 0.4),
        0 30px 60px rgba(102, 126, 234, 0.25),
        inset 0 8px 0 rgba(255, 255, 255, 0.3),
        inset 0 -8px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.8s cubic-bezier(0.23, 1, 0.320, 1);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.ai-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.12) 0%, transparent 50%);
    animation: headerShimmer 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes headerShimmer {
    0%, 100% { opacity: 0.7; transform: scale(1) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.02) rotate(1deg); }
}

.ai-header:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 
        0 80px 160px rgba(0, 0, 0, 0.5),
        0 40px 80px rgba(102, 126, 234, 0.35),
        inset 0 8px 0 rgba(255, 255, 255, 0.35),
        inset 0 -8px 0 rgba(255, 255, 255, 0.15);
}

.ai-header-content h2 {
    font-family: 'Inter', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 15px;
    text-shadow: 
        0 0 60px rgba(102, 126, 234, 0.8),
        0 0 20px rgba(118, 75, 162, 0.6);
    background: linear-gradient(135deg, #667eea, #f093fb, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 4s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% { filter: brightness(1) drop-shadow(0 0 20px rgba(102, 126, 234, 0.8)); }
    50% { filter: brightness(1.2) drop-shadow(0 0 30px rgba(118, 75, 162, 1)); }
}

.ai-header-content p {
    font-family: 'Inter', sans-serif;
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-weight: 500;
}

.ai-status {
    display: flex;
    align-items: center;
    gap: 15px;
}

.status-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00b894, #00cec9);
    box-shadow: 
        0 0 30px rgba(0, 184, 148, 1),
        0 0 10px rgba(0, 206, 201, 0.8);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
        box-shadow: 0 0 30px rgba(0, 184, 148, 1);
    }
    50% { 
        transform: scale(1.2);
        opacity: 0.8;
        box-shadow: 0 0 40px rgba(0, 184, 148, 1.2);
    }
}

.status-indicator.online {
    background: linear-gradient(135deg, #00b894, #00cec9);
    box-shadow: 
        0 0 30px rgba(0, 184, 148, 1),
        0 0 10px rgba(0, 206, 201, 0.8);
}

.status-text {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: #00b894;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 184, 148, 0.6);
}

.ai-close-btn {
    background: 
        linear-gradient(135deg, 
            rgba(255, 255, 255, 0.15) 0%, 
            rgba(255, 255, 255, 0.08) 100%);
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.4rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    backdrop-filter: blur(15px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        inset 0 2px 0 rgba(255, 255, 255, 0.2);
}

.ai-close-btn:hover {
    background: 
        linear-gradient(135deg, 
            rgba(255, 107, 107, 0.3) 0%, 
            rgba(255, 67, 54, 0.2) 100%);
    border-color: rgba(255, 107, 107, 0.5);
    color: #ff6b6b;
    transform: scale(1.1);
    box-shadow: 
        0 12px 35px rgba(255, 107, 107, 0.4),
        inset 0 3px 0 rgba(255, 255, 255, 0.3);
}

/* AI Main Layout */
.ai-main {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 30px;
    margin-bottom: 30px;
    height: calc(100vh - 120px);
    overflow: hidden;
}

/* Model Selection Panel - Ultra Modern */
.ai-model-panel {
    background: 
        linear-gradient(135deg, 
            rgba(255, 255, 255, 0.08) 0%, 
            rgba(255, 255, 255, 0.04) 50%,
            rgba(255, 255, 255, 0.08) 100%);
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    padding: 40px;
    backdrop-filter: blur(35px);
    box-shadow: 
        0 120px 240px rgba(0, 0, 0, 0.7),
        0 60px 120px rgba(102, 126, 234, 0.4),
        0 30px 60px rgba(255, 119, 198, 0.3),
        inset 0 12px 0 rgba(255, 255, 255, 0.25),
        inset 0 -12px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.ai-model-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(237, 117, 99, 0.06) 0%, transparent 50%);
    animation: panelShimmer 12s ease-in-out infinite;
    pointer-events: none;
    border-radius: 25px;
}

@keyframes panelShimmer {
    0%, 100% { opacity: 0.6; transform: scale(1) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.01) rotate(0.5deg); }
}

.ai-model-panel:hover {
    border-color: rgba(102, 126, 234, 0.4);
    box-shadow: 
        0 120px 240px rgba(0, 0, 0, 0.8),
        0 60px 120px rgba(102, 126, 234, 0.5),
        0 30px 60px rgba(255, 119, 198, 0.4),
        inset 0 12px 0 rgba(255, 255, 255, 0.3),
        inset 0 -12px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.model-panel-header {
    text-align: center;
    margin-bottom: 35px;
    padding: 25px;
    border-bottom: 3px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    top: 0;
    background: 
        linear-gradient(135deg, 
            rgba(20, 20, 30, 0.95) 0%, 
            rgba(30, 30, 50, 0.9) 100%);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    z-index: 10;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.2);
}

.model-panel-header h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.6rem;
    font-weight: 900;
    color: #ffffff;
    margin: 0;
    text-shadow: 
        0 0 20px rgba(102, 126, 234, 0.8),
        0 0 8px rgba(118, 75, 162, 0.6);
    background: linear-gradient(135deg, #667eea, #f093fb, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    animation: headerTextGlow 3s ease-in-out infinite;
}

@keyframes headerTextGlow {
    0%, 100% { filter: brightness(1) drop-shadow(0 0 10px rgba(102, 126, 234, 0.6)); }
    50% { filter: brightness(1.3) drop-shadow(0 0 15px rgba(118, 75, 162, 0.8)); }
}

.model-count {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 700;
    background: 
        linear-gradient(135deg, 
            rgba(102, 126, 234, 0.3) 0%, 
            rgba(118, 75, 162, 0.2) 100%);
    padding: 8px 16px;
    border-radius: 25px;
    display: inline-block;
    margin-top: 8px;
    border: 2px solid rgba(102, 126, 234, 0.4);
    box-shadow: 
        0 4px 12px rgba(102, 126, 234, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    text-shadow: 0 0 8px rgba(102, 126, 234, 0.6);
}

.models-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    padding-right: 15px;
    padding-left: 5px;
    scrollbar-width: thin;
    scrollbar-color: rgba(120, 119, 198, 0.8) transparent;
    max-height: 100%;
}

.model-card {
    background: 
        linear-gradient(135deg, 
            rgba(255, 255, 255, 0.12) 0%, 
            rgba(255, 255, 255, 0.06) 50%,
            rgba(255, 255, 255, 0.12) 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 25px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.2),
        0 8px 20px rgba(102, 126, 234, 0.15),
        inset 0 3px 0 rgba(255, 255, 255, 0.15),
        inset 0 -3px 0 rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    transform: translateZ(0);
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(118, 75, 162, 0.08) 0%, transparent 50%);
    animation: cardShimmer 6s ease-in-out infinite;
    pointer-events: none;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.model-card:hover::before {
    opacity: 1;
}

@keyframes cardShimmer {
    0%, 100% { opacity: 0; transform: scale(0.95) rotate(0deg); }
    50% { opacity: 0.6; transform: scale(1) rotate(1deg); }
}

.model-card:hover {
    transform: translateY(-8px) scale(1.05) translateZ(10px);
    background: 
        linear-gradient(135deg, 
            rgba(255, 255, 255, 0.18) 0%, 
            rgba(255, 255, 255, 0.1) 50%,
            rgba(255, 255, 255, 0.18) 100%);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.3),
        0 12px 25px rgba(102, 126, 234, 0.25),
        inset 0 5px 0 rgba(255, 255, 255, 0.2),
        inset 0 -5px 0 rgba(255, 255, 255, 0.1);
}

.model-card.selected {
    background: 
        linear-gradient(135deg, 
            rgba(102, 126, 234, 0.25) 0%, 
            rgba(118, 75, 162, 0.2) 50%,
            rgba(102, 126, 234, 0.25) 100%);
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 
        0 25px 50px rgba(102, 126, 234, 0.4),
        0 12px 25px rgba(118, 75, 162, 0.3),
        inset 0 5px 0 rgba(102, 126, 234, 0.3),
        inset 0 -5px 0 rgba(102, 126, 234, 0.2);
    transform: scale(1.02) translateZ(5px);
}

.model-card.selected::before {
    opacity: 1;
    background: 
        radial-gradient(circle at 30% 30%, rgba(102, 126, 234, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(118, 75, 162, 0.15) 0%, transparent 50%);
    animation: selectedCardPulse 2s ease-in-out infinite;
}

@keyframes selectedCardPulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

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

.model-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.model-card:hover .model-icon {
    transform: rotate(5deg) scale(1.1);
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.3) 0%, 
        rgba(118, 75, 162, 0.2) 100%);
    border-color: rgba(102, 126, 234, 0.4);
}

.model-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.model-badge.premium {
    background: linear-gradient(135deg, #f093fb, #f5576c);
    color: white;
}

.model-badge.google {
    background: linear-gradient(135deg, #4285F4, #1A73E8);
    color: white;
}

.model-badge.open {
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: white;
}

.model-badge.creative {
    background: linear-gradient(135deg, #fdcb6e, #f39c12);
    color: white;
}

.model-badge.coding {
    background: linear-gradient(135deg, #74b9ff, #0984e3);
    color: white;
}

.model-badge.free {
    background: linear-gradient(135deg, #a29bfe, #6c5ce7);
    color: white;
}

.model-badge.research {
    background: linear-gradient(135deg, #e17055, #fd79a8);
    color: white;
}

.model-badge.multilingual {
    background: linear-gradient(135deg, #00b894, #55efc4);
    color: white;
}

.model-badge.mathematical {
    background: linear-gradient(135deg, #74b9ff, #0984e3);
    color: white;
}

.model-badge.medical {
    background: linear-gradient(135deg, #fd79a8, #e84393);
    color: white;
}

.model-badge.experimental {
    background: linear-gradient(135deg, #636e72, #2d3436);
    color: white;
}

.model-info h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.model-info p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
    margin-bottom: 12px;
}

.model-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.stat {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 3px 8px;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

.model-select-btn {
    width: 100%;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.2) 0%, 
        rgba(118, 75, 162, 0.15) 100%);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 15px;
    padding: 10px;
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.model-select-btn:hover {
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.3) 0%, 
        rgba(118, 75, 162, 0.25) 100%);
    border-color: rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

/* Chat Panel */
.ai-chat-panel {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.04) 0%, 
        rgba(255, 255, 255, 0.02) 50%,
        rgba(255, 255, 255, 0.04) 100%);
    border: 3px solid rgba(255, 255, 255, 0.12);
    border-radius: 30px;
    backdrop-filter: blur(40px);
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.25),
        0 25px 50px rgba(102, 126, 234, 0.15),
        inset 0 6px 0 rgba(255, 255, 255, 0.2),
        inset 0 -6px 0 rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.chat-header {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.04) 50%,
        rgba(255, 255, 255, 0.08) 100%);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding: 20px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.current-model {
    display: flex;
    align-items: center;
    gap: 15px;
}

.model-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.model-details h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 5px;
}

.model-details p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.chat-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 8px 15px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* AI Chat Panel - Main Container */
.ai-chat-panel {
    display: flex;
    flex-direction: column;
    height: 750px;
    flex-shrink: 0;
    flex-grow: 0;
    padding: 25px;
    gap: 25px;
    background: linear-gradient(135deg, 
        rgba(20, 20, 40, 0.95) 0%, 
        rgba(30, 30, 60, 0.90) 50%,
        rgba(40, 40, 80, 0.85) 100%);
    border-radius: 25px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px);
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.4),
        0 15px 35px rgba(102, 126, 234, 0.2),
        inset 0 2px 0 rgba(255, 255, 255, 0.15),
        inset 0 -2px 0 rgba(255, 255, 255, 0.05);
}

.chat-messages {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 25px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.03) 0%, 
        rgba(255, 255, 255, 0.01) 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin: 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(102, 126, 234, 0.5) transparent;
    position: relative;
    min-height: 0;
}

.chat-messages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Chat Messages */
.chat-message {
    margin-bottom: 25px;
    animation: messageSlide 0.3s ease-out;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.message-content {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    max-width: 100%;
    padding: 25px;
    border-radius: 22px;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.2),
        0 8px 20px rgba(102, 126, 234, 0.1),
        inset 0 2px 0 rgba(255, 255, 255, 0.1),
        inset 0 -2px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

.message-content:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 20px 45px rgba(0, 0, 0, 0.3),
        0 10px 25px rgba(102, 126, 234, 0.15),
        inset 0 2px 0 rgba(255, 255, 255, 0.15),
        inset 0 -2px 0 rgba(255, 255, 255, 0.08);
}

.user-content {
    justify-content: flex-end;
    flex-direction: row-reverse;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.3) 0%, 
        rgba(118, 75, 162, 0.25) 100%);
    border: 2px solid rgba(102, 126, 234, 0.4);
}

.ai-content {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.08) 0%, 
        rgba(255, 255, 255, 0.04) 100%);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.message-avatar {
    font-size: 1.8rem;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.08) 100%);
    backdrop-filter: blur(15px);
    box-shadow: 
        0 8px 20px rgba(0, 0, 0, 0.2),
        0 4px 10px rgba(102, 126, 234, 0.2),
        inset 0 2px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.message-avatar:hover {
    transform: scale(1.1);
    box-shadow: 
        0 12px 30px rgba(0, 0, 0, 0.3),
        0 6px 15px rgba(102, 126, 234, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.3);
}

.message-text {
    flex: 1;
    color: rgba(255, 255, 255, 0.95);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    word-wrap: break-word;
    white-space: pre-wrap;
    min-height: 20px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.03) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    line-height: 1.5;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.2),
        0 5px 15px rgba(102, 126, 234, 0.1);
}

.user-content .message-text {
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.1) 0%, 
        rgba(102, 126, 234, 0.05) 100%);
    border-color: rgba(102, 126, 234, 0.2);
}

.message-time {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 5px;
    text-align: right;
    font-family: 'Montserrat', sans-serif;
}

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

.ai-content .message-time {
    text-align: left;
}

/* Thinking Indicator */
.thinking-indicator {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.03) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.2),
        0 5px 15px rgba(102, 126, 234, 0.1);
    animation: messageSlide 0.3s ease-out;
}

.thinking-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, 
        rgba(255, 193, 7, 0.2) 0%, 
        rgba(255, 193, 7, 0.1) 100%);
    border: 2px solid rgba(255, 193, 7, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    animation: pulse 1.5s ease-in-out infinite;
}

.thinking-text {
    color: rgba(255, 255, 255, 0.8);
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
}

.thinking-dots {
    display: flex;
    gap: 5px;
    align-items: center;
}

.thinking-dots .dot {
    width: 8px;
    height: 8px;
    background: #ffc107;
    border-radius: 50%;
    animation: thinkingDot 1.4s ease-in-out infinite;
}

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

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

/* Error Message */
.error-message {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, 
        rgba(220, 53, 69, 0.1) 0%, 
        rgba(220, 53, 69, 0.05) 100%);
    border: 2px solid rgba(220, 53, 69, 0.3);
    border-radius: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.2),
        0 5px 15px rgba(220, 53, 69, 0.1);
    animation: messageSlide 0.3s ease-out;
}

.error-icon {
    font-size: 1.5rem;
    color: #dc3545;
}

.error-text {
    color: #ff6b6b;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
}

/* Animations */
@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes thinkingDot {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.03) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(20px);
}

.welcome-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

.welcome-content h3 {
    font-family: 'Cinzel', serif;
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
}

.welcome-content p {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 25px;
}

.quick-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.quick-action {
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.2) 0%, 
        rgba(118, 75, 162, 0.15) 100%);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 15px;
    padding: 10px 20px;
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-action:hover {
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.3) 0%, 
        rgba(118, 75, 162, 0.25) 100%);
    transform: translateY(-2px);
}

/* Chat Input */
.chat-input-container {
    padding: 20px 25px;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.03) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
}

.input-wrapper {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.03) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.2),
        0 5px 15px rgba(102, 126, 234, 0.1);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 100%;
}

.input-wrapper:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.3),
        0 8px 20px rgba(102, 126, 234, 0.15);
}

#aiInput {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    resize: none;
    min-height: 60px;
    max-height: 150px;
    padding: 10px;
    border-radius: 15px;
}

#aiInput::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#aiInput:focus {
    color: #ffffff;
}

.input-actions {
    display: flex;
    gap: 8px;
}

.attachment-btn, .voice-btn, .send-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.send-btn:hover {
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.3) 0%, 
        rgba(118, 75, 162, 0.2) 100%);
    border-color: rgba(102, 126, 234, 0.4);
    color: #ffffff;
    transform: scale(1.1);
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding: 0 5px;
}

.char-count {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.input-tips {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* AI Features Panel */
.ai-features-panel {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.03) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 30px;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.25),
        0 25px 50px rgba(102, 126, 234, 0.15),
        inset 0 6px 0 rgba(255, 255, 255, 0.1),
        inset 0 -6px 0 rgba(255, 255, 255, 0.05);
}

.features-header {
    text-align: center;
    margin-bottom: 30px;
}

.features-header h3 {
    font-family: 'Cinzel', serif;
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
}

.features-header p {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.03) 50%,
        rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 25px;
    text-align: center;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.2),
        0 12px 25px rgba(102, 126, 234, 0.1),
        inset 0 4px 0 rgba(255, 255, 255, 0.1),
        inset 0 -4px 0 rgba(255, 255, 255, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.12) 0%, 
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.12) 100%);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.3),
        0 25px 50px rgba(102, 126, 234, 0.2),
        inset 0 6px 0 rgba(255, 255, 255, 0.2),
        inset 0 -6px 0 rgba(255, 255, 255, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.feature-card h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.feature-card p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Animations */
@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .ai-main {
        grid-template-columns: 350px 1fr;
        gap: 20px;
    }
    
    .models-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .ai-container {
        padding: 20px 15px;
    }
    
    .ai-header {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }
    
    .ai-header-content h2 {
        font-size: 2rem;
    }
    
    .ai-main {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .ai-model-panel {
        max-height: 50vh;
    }
    
    .ai-chat-panel {
        height: 60vh;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .quick-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .chat-actions {
        flex-direction: column;
        gap: 5px;
    }
}