:root {
    --bg-color: #0f1115;
    --surface-color: #1a1d24;
    --primary-color: #d4af37; /* Gold */
    --primary-glow: rgba(212, 175, 55, 0.4);
    --text-primary: #f0f0f0;
    --text-secondary: #a0a5b0;
    --danger: #ff4757;
    --success: #2ed573;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Modal Styles */
.modal {
    display: flex;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background-color: var(--surface-color);
    padding: 2.5rem;
    border-radius: 16px;
    width: 90%;
    max-width: 450px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.05);
}

.modal h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.brand-text {
    color: var(--primary-color);
    font-style: italic;
}

.modal p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.modal input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.2);
    color: white;
    font-family: var(--font-body);
    margin-bottom: 1.5rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.modal input:focus {
    border-color: var(--primary-color);
}

.modal button {
    width: 100%;
    padding: 14px;
    border-radius: 8px;
    background: var(--primary-color);
    color: #000;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.modal button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.small-text {
    font-size: 0.8rem;
    margin-top: 1rem;
    opacity: 0.6;
}

/* Main App Styles */
.app-container {
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 1rem 2rem;
    position: relative;
    max-width: 1400px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-left h1 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-size: 2rem;
    letter-spacing: 1px;
}

.header-left p {
    color: var(--text-secondary);
    font-weight: 300;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-top: 0.2rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-right label {
    font-weight: 500;
    color: var(--primary-color);
}

.header-right select {
    background: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    cursor: pointer;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 2rem;
    flex-grow: 1;
    overflow: hidden;
    padding-bottom: 2rem;
}

/* Columna Izquierda (Menú) y Derecha (Orden) */
.menu-column, .order-column {
    background: rgba(26, 29, 36, 0.6);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.menu-column h2, .order-column h2 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px dashed rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
}

.menu-category {
    margin-bottom: 1.5rem;
}

.menu-category h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    letter-spacing: 1px;
}

.menu-item {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.95rem;
}

.order-list {
    flex-grow: 1;
    overflow-y: auto;
}

.order-item {
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255,255,255,0.05);
}

.item-info {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.item-qty {
    color: var(--primary-color);
}

.item-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.status-preparando {
    background: rgba(212, 175, 55, 0.2);
    color: var(--primary-color);
}
.status-listo {
    background: rgba(46, 213, 115, 0.2);
    color: var(--success);
}

.item-price {
    text-align: right;
    margin-top: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.order-total-container {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.empty-order {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 2rem;
}

/* Columna Central (Chat) */
.chat-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}


header h1 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-size: 2.5rem;
    letter-spacing: 2px;
}

header p {
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 0; /* Crucial para que flexbox child haga scroll */
}

/* Avatar & Status */
.waiter-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.avatar-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2a2d35, #1a1d24);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3), inset 0 0 0 2px rgba(212, 175, 55, 0.2);
    position: relative;
    transition: all 0.5s ease;
}

.status-indicator {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s ease;
}

/* Animations based on state */
.state-listening .avatar-circle {
    box-shadow: 0 0 30px var(--primary-glow), inset 0 0 0 2px var(--primary-color);
    transform: scale(1.05);
}
.state-listening .avatar-circle i {
    animation: pulse 1.5s infinite alternate;
}

.state-thinking .avatar-circle {
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    animation: spin-pulse 2s infinite linear;
}

.state-speaking .avatar-circle {
    box-shadow: 0 0 40px var(--primary-glow), inset 0 0 0 2px var(--primary-color);
}
.state-speaking .avatar-circle::before {
    content: '';
    position: absolute;
    top: -10px; left: -10px; right: -10px; bottom: -10px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    animation: ripple 1.5s infinite;
    opacity: 0;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    100% { transform: scale(1.1); opacity: 1; }
}

@keyframes spin-pulse {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.05); }
    100% { transform: rotate(360deg) scale(1); }
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.3); opacity: 0; }
}

/* Conversation Area */
.conversation-area {
    flex: 1;
    width: 100%;
    background: rgba(26, 29, 36, 0.6);
    border-radius: 16px;
    padding: 1.5rem;
    overflow-y: auto;
    border: 1px solid rgba(255,255,255,0.05);
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scroll-behavior: smooth;
    min-height: 0;
}

/* Hide scrollbar for cleaner look */
.conversation-area::-webkit-scrollbar {
    width: 6px;
}
.conversation-area::-webkit-scrollbar-track {
    background: transparent;
}
.conversation-area::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
}

.message {
    padding: 1rem 1.2rem;
    border-radius: 12px;
    max-width: 85%;
    line-height: 1.5;
    animation: fadeIn 0.4s ease forwards;
    opacity: 0;
    transform: translateY(10px);
}

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

.user-message {
    align-self: flex-end;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.bot-message {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.system-message {
    align-self: center;
    background: transparent;
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.9rem;
    text-align: center;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 1rem;
}

.mic-btn {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 2px solid rgba(255,255,255,0.1);
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.mic-btn:hover {
    transform: scale(1.05);
    border-color: rgba(255,255,255,0.3);
}

.mic-btn.active {
    background: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
    box-shadow: 0 0 25px var(--primary-glow);
    animation: pulse-btn 1.5s infinite alternate;
}

@keyframes pulse-btn {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); box-shadow: 0 0 35px var(--primary-glow); }
}

.instruction-text {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s;
}

.mic-btn.active + .instruction-text {
    color: var(--primary-color);
}

/* --- RESPONSIVE DESIGN (Tablets y Celulares) --- */
@media (max-width: 1024px) {
    body {
        overflow: auto;
        display: block;
        min-height: 100vh;
    }
    
    .app-container {
        height: auto;
        min-height: 100vh;
        padding: 1rem;
        display: flex;
        flex-direction: column;
    }
    
    header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .dashboard-grid {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .chat-column {
        height: 500px;
        flex: none;
        order: -1; /* Poner el chat de primero visualmente en el celular */
    }
    
    .order-column {
        min-height: 300px;
        flex: none;
    }
    
    .menu-column {
        min-height: 300px;
        flex: none;
    }
}