/* Import Google Fonts - Poppins (simile al font Yoyomove.ai) */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800;900&display=swap');

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

:root {
    /* YOYO Colors - Liquid Theme */
    --bg-dark: #0a0e1a;
    --bg-darker: #050810;
    --bg-card: rgba(20, 24, 36, 0.8);
    --bg-input: rgba(26, 31, 46, 0.9);

    /* Colori Yoyomove.ai */
    --cyan-primary: #5DADE2;
    --cyan-light: #85C1E9;
    --cyan-glow: rgba(93, 173, 226, 0.5);

    --yellow-primary: #FFD700;
    --yellow-neon: #FFED4E;
    --yellow-glow: rgba(255, 215, 0, 0.5);
    --gold: #FFA500;
    --gold-glow: rgba(255, 165, 0, 0.4);

    --blue-grey: #2d3748;
    --blue-accent: #4a5568;
    --blue-dark: #1a2332;

    --text-white: #ffffff;
    --text-grey: #a0aec0;
    --text-light-grey: #e2e8f0;

    --success-color: #48bb78;
    --error-color: #f56565;

    /* Bordi liquid */
    --border-liquid: 2px solid transparent;
    --border-radius-liquid: 20px;

    /* Compatibilità vecchie variabili */
    --primary-color: var(--cyan-primary);
    --secondary-color: var(--gold);
    --user-msg-bg: var(--yellow-primary);
    --ai-msg-bg: var(--bg-card);
    --input-bg: var(--bg-input);
    --border-color: var(--blue-grey);
    --text-dark: var(--text-white);
    --text-light: var(--text-grey);
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #000000 0%, #0a0e1a 50%, #1a2332 100%);
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
    min-height: -webkit-fill-available;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    margin: 0;
}

/* Effetto stellato animato */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 85%, white, transparent),
        radial-gradient(2px 2px at 75% 25%, white, transparent);
    background-size: 200% 200%;
    background-position: 0% 0%;
    opacity: 0.3;
    animation: stars-move 60s linear infinite;
    pointer-events: none;
    z-index: 0;
}

/* Glow gradient overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 20%, var(--cyan-glow) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, var(--gold-glow) 0%, transparent 40%),
        radial-gradient(circle at 50% 100%, rgba(93, 173, 226, 0.15) 0%, transparent 50%);
    opacity: 0.6;
    pointer-events: none;
    z-index: 0;
}

@keyframes stars-move {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

.container {
    width: 100%;
    max-width: 900px;
    height: calc(100vh - 20px);
    height: calc(-webkit-fill-available - 20px);
    max-height: calc(100vh - 20px);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-liquid);
    border: 2px solid var(--cyan-primary);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px var(--cyan-glow),
        inset 0 0 40px rgba(93, 173, 226, 0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* Header */
.chat-header {
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    border-bottom: 2px solid transparent;
    border-image: linear-gradient(90deg, var(--yellow-primary), var(--gold), var(--yellow-primary)) 1;
    color: var(--text-white);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.chat-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--yellow-glow), transparent);
    filter: blur(4px);
}

.chat-header h1 {
    font-size: 26px;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: 2px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
}

.chat-header h1::before {
    content: '';
    width: 40px;
    height: 40px;
    background-image: url('../assets/logo-ai-chatbot.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: drop-shadow(0 0 15px var(--gold-glow));
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6))
                drop-shadow(0 0 40px rgba(255, 165, 0, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(255, 215, 0, 0.8))
                drop-shadow(0 0 60px rgba(255, 165, 0, 0.6));
    }
}

.header-info {
    display: flex;
    gap: 10px;
    align-items: center;
}

.status-online {
    background: linear-gradient(135deg, var(--success-color), #38a169);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 0 20px rgba(72, 187, 120, 0.4);
    border: 1px solid rgba(72, 187, 120, 0.3);
}

.status-offline {
    background: linear-gradient(135deg, var(--error-color), #e53e3e);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 0 20px rgba(245, 101, 101, 0.3);
    border: 1px solid rgba(245, 101, 101, 0.3);
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Agent Selector */
.agent-selector-container {
    background: var(--bg-darker);
    border-bottom: 1px solid var(--blue-grey);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.agent-selector-label {
    color: var(--text-grey);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.agent-selector {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.agent-dropdown-btn {
    width: 100%;
    padding: 10px 15px;
    background: var(--bg-card);
    border: 2px solid var(--cyan-primary);
    border-radius: 15px;
    color: var(--text-white);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 15px var(--cyan-glow);
}

.agent-dropdown-btn:hover {
    border-color: var(--yellow-primary);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4), 0 0 25px var(--gold-glow);
    transform: translateY(-2px);
}

.agent-dropdown-btn .agent-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.agent-dropdown-btn .agent-name {
    flex: 1;
    text-align: left;
}

.agent-dropdown-btn .dropdown-arrow {
    font-size: 12px;
    color: var(--text-grey);
    transition: transform 0.3s;
    flex-shrink: 0;
}

.agent-dropdown-btn.active .dropdown-arrow {
    transform: rotate(180deg);
}

.agent-dropdown {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 2px solid var(--blue-grey);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 100;
    overflow: hidden;
    max-height: 300px;
    overflow-y: auto;
}

.agent-dropdown.hidden {
    display: none;
}

.agent-option {
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid var(--blue-grey);
}

.agent-option:last-child {
    border-bottom: none;
}

.agent-option:hover {
    background: var(--bg-input);
    padding-left: 20px;
}

.agent-option.selected {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 165, 0, 0.1));
    border-left: 4px solid var(--yellow-primary);
}

.agent-option .agent-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.agent-option .agent-name {
    color: var(--text-white);
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

.agent-option.selected .agent-name {
    color: var(--yellow-neon);
    font-weight: 600;
}

/* Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: var(--bg-dark);
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-darker);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--blue-grey);
    border-radius: 4px;
    border: 2px solid var(--bg-darker);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--blue-accent);
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-grey);
}

.welcome-message h2 {
    background: linear-gradient(135deg, var(--yellow-neon) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    font-size: 28px;
    filter: drop-shadow(0 0 20px var(--yellow-glow));
}

/* Message Bubbles */
.message {
    display: flex;
    gap: 10px;
    max-width: 80%;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.message.assistant {
    align-self: flex-start;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    border: 2px solid;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, var(--yellow-primary), var(--gold));
    border-color: var(--yellow-neon);
    box-shadow: 0 0 20px var(--yellow-glow);
}

.message.assistant .message-avatar {
    background: var(--bg-card);
    border-color: var(--blue-grey);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.message-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    word-wrap: break-word;
    border: 1px solid;
}

.message.user .message-bubble {
    background: linear-gradient(135deg, var(--yellow-primary), var(--gold));
    color: #000000;
    border-bottom-right-radius: 4px;
    border-color: var(--yellow-neon);
    box-shadow: 0 4px 15px var(--yellow-glow);
    font-weight: 500;
}

.message.assistant .message-bubble {
    background: var(--bg-card);
    color: var(--text-white);
    border-bottom-left-radius: 4px;
    border-color: var(--blue-grey);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.message-text {
    line-height: 1.5;
}

/* Forza colore bianco per TUTTI gli elementi nei messaggi ASSISTANT */
.message.assistant .message-bubble,
.message.assistant .message-bubble *,
.message.assistant .message-text,
.message.assistant .message-text *,
.message.assistant .message-content,
.message.assistant .message-content *,
.message.assistant p,
.message.assistant span,
.message.assistant li,
.message.assistant ul,
.message.assistant ol,
.message.assistant strong,
.message.assistant em,
.message.assistant b,
.message.assistant i,
.message.assistant a,
.message.assistant div {
    color: #FFFFFF !important;
}

.message.user .message-text,
.message.user .message-text *,
.message.user p,
.message.user span {
    color: #000000 !important;
}

/* Stili per il Markdown */
.message-text h1, .message-text h2, .message-text h3, 
.message-text h4, .message-text h5, .message-text h6 {
    margin-top: 10px;
    margin-bottom: 10px;
    color: white !important;
}

.message-text p {
    margin-bottom: 10px;
}

.message-text ul, .message-text ol {
    margin-left: 20px;
    margin-bottom: 10px;
}

.message-text code {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 2px 4px;
    border-radius: 3px;
    font-family: monospace;
}

.message-text pre {
    background-color: rgba(0, 0, 0, 0.3);
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 10px;
}

.message-text pre code {
    background-color: transparent;
    padding: 0;
}

.message-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.attachment-item {
    max-width: 200px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--blue-grey);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.message.user .attachment-item {
    border-color: rgba(10, 14, 26, 0.3);
}

.attachment-item img {
    width: 100%;
    height: auto;
    display: block;
}

.attachment-item.pdf {
    padding: 10px;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--yellow-neon);
}

.message.user .attachment-item.pdf {
    background: rgba(10, 14, 26, 0.3);
    color: var(--bg-darker);
}

.message-time {
    font-size: 11px;
    color: var(--text-light);
    padding: 0 8px;
}

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

/* Input Area */
.chat-input-container {
    border-top: 1px solid var(--blue-grey);
    padding: 20px;
    background: var(--bg-darker);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.3);
}

.file-preview {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.file-preview.hidden {
    display: none;
}

.preview-item {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--yellow-primary);
    box-shadow: 0 0 15px var(--yellow-glow);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-item.pdf {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    font-size: 24px;
    color: var(--yellow-neon);
}

.preview-remove {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--error-color);
    color: white;
    border: 2px solid var(--bg-darker);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: 0 0 10px rgba(245, 101, 101, 0.5);
    transition: all 0.2s;
}

.preview-remove:hover {
    transform: scale(1.15);
    box-shadow: 0 0 15px rgba(245, 101, 101, 0.7);
}

.input-wrapper {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.attach-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--blue-grey);
    background: var(--bg-card);
    color: var(--text-grey);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
}

.attach-btn:hover {
    background: var(--blue-accent);
    border-color: var(--yellow-primary);
    color: var(--yellow-neon);
    box-shadow: 0 0 15px var(--yellow-glow);
    transform: scale(1.05);
}

.message-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--blue-grey);
    border-radius: 20px;
    font-size: 15px;
    font-family: inherit;
    resize: none;
    max-height: 120px;
    transition: all 0.3s;
    background: var(--bg-input);
    color: var(--text-white);
}

.message-input::placeholder {
    color: var(--text-grey);
}

.message-input:focus {
    outline: none;
    border-color: var(--yellow-primary);
    box-shadow: 0 0 20px var(--yellow-glow);
    background: var(--bg-card);
}

.send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--yellow-primary);
    background: linear-gradient(135deg, var(--yellow-primary), var(--gold));
    color: var(--bg-darker);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
    box-shadow: 0 0 20px var(--yellow-glow);
    font-weight: bold;
}

.send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--yellow-glow);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    padding: 30px 40px;
    border-radius: 15px;
    border: 2px solid var(--yellow-primary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 40px var(--yellow-glow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    z-index: 1000;
    color: var(--text-white);
}

.loading-indicator.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--blue-grey);
    border-top-color: var(--yellow-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px var(--yellow-glow);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 0;
    }

    .container {
        height: 100vh;
        border-radius: 0;
        width: 100%;
        max-width: 100%;
    }

    .message {
        max-width: 85%;
    }

    .chat-header {
        padding: 10px 15px;
    }

    .chat-header h1 {
        font-size: 18px;
    }

    .chat-header h1::before {
        font-size: 24px;
    }

    .header-info {
        gap: 6px;
        font-size: 12px;
    }

    /* Riduci padding selettore agenti */
    .agent-selector-container {
        padding: 8px 12px;
        margin-bottom: 0;
    }

    .agent-selector-label {
        font-size: 11px;
        margin-bottom: 4px;
    }

    .agent-dropdown-btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .agent-dropdown-btn .agent-icon {
        font-size: 16px;
    }

    /* Riduci padding area messaggi */
    .chat-messages {
        padding: 12px;
        gap: 10px;
    }

    .welcome-message {
        padding: 20px 15px;
    }

    .welcome-message h2 {
        font-size: 22px;
        margin-bottom: 8px;
    }

    .welcome-message p {
        font-size: 13px;
    }

    .chat-input-container {
        padding: 10px 12px;
    }

    .input-wrapper {
        gap: 8px;
    }

    .message-input {
        padding: 10px 12px;
        font-size: 16px;
        max-height: 80px;
    }

    .attach-btn, .send-btn {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .file-preview {
        gap: 6px;
        padding: 6px 0;
    }

    .preview-item {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 8px;
        min-height: 100vh;
        min-height: 100svh;
    }

    .container {
        height: calc(100vh - 16px);
        height: calc(100svh - 16px);
        max-height: calc(100vh - 16px);
        max-height: calc(100svh - 16px);
        border-radius: 16px;
    }

    /* Assicura che input sia sempre visibile */
    .chat-input-container {
        position: sticky;
        bottom: 0;
        background: var(--bg-darker);
        z-index: 10;
        border-radius: 0 0 14px 14px;
    }

    .chat-header {
        padding: 8px 12px;
        border-radius: 14px 14px 0 0;
    }

    .chat-header h1 {
        font-size: 16px;
        gap: 8px;
    }

    .chat-header h1::before {
        font-size: 20px;
    }

    .status-online, .status-offline {
        padding: 3px 8px;
        font-size: 10px;
    }

    /* Ulteriore riduzione per agent selector */
    .agent-selector-container {
        padding: 6px 10px;
    }

    .agent-selector-label {
        font-size: 10px;
        margin-bottom: 3px;
    }

    .agent-dropdown-btn {
        padding: 6px 10px;
        font-size: 12px;
        min-height: 36px;
    }

    .agent-dropdown-btn .agent-icon {
        font-size: 14px;
    }

    /* Riduci messaggi */
    .message {
        max-width: 90%;
        margin: 5px 0;
    }

    .message-avatar {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }

    .message-bubble {
        padding: 8px 10px;
        font-size: 13px;
    }

    .message-time {
        font-size: 9px;
    }

    .chat-messages {
        padding: 10px;
        gap: 8px;
    }

    .welcome-message {
        padding: 15px 10px;
    }

    .welcome-message h2 {
        font-size: 18px;
        margin-bottom: 6px;
    }

    .welcome-message p {
        font-size: 12px;
    }

    .chat-input-container {
        padding: 8px 10px;
    }

    .message-input {
        padding: 8px 10px;
        font-size: 15px;
        border-radius: 16px;
        max-height: 70px;
    }

    .attach-btn, .send-btn {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }

    .preview-item {
        width: 40px;
        height: 40px;
    }

    .file-preview {
        padding: 4px 0;
    }

    .preview-remove {
        width: 18px;
        height: 18px;
        font-size: 10px;
    }
}

/* Fix per dispositivi molto piccoli */
@media (max-width: 320px) {
    .chat-header h1 {
        font-size: 16px;
    }

    .message {
        max-width: 95%;
    }

    .message-bubble {
        padding: 8px 10px;
        font-size: 13px;
    }

    .message-input {
        font-size: 14px;
    }

    .attach-btn, .send-btn {
        width: 34px;
        height: 34px;
        font-size: 15px;
    }
}

/* Fix per dispositivi con altezza ridotta */
@media (max-height: 600px) {
    .chat-header {
        padding: 10px 15px;
    }

    .chat-messages {
        padding: 10px;
    }

    .chat-input-container {
        padding: 10px;
    }

    .message {
        margin: 4px 0;
    }
}

/* Error Message */
.error-message {
    background: rgba(245, 101, 101, 0.1);
    color: var(--error-color);
    padding: 10px 15px;
    border-radius: 8px;
    margin: 10px 20px;
    border-left: 4px solid var(--error-color);
    border: 1px solid rgba(245, 101, 101, 0.3);
    box-shadow: 0 0 20px rgba(245, 101, 101, 0.2);
}