@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #0a0e27;
    --chat-bg: #1e293b;
    --primary-color: #8b5cf6;
    --primary-hover: #7c3aed;
    --secondary-color: #3b82f6;
    --text-color: #f8fafc;
    --text-secondary: #94a3b8;
    --user-msg-bg: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
    --system-msg-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    animation: moveBackground 20s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes moveBackground {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(5%, 5%); }
    50% { transform: translate(-5%, 5%); }
    75% { transform: translate(5%, -5%); }
}

.app-container {
    width: 100%;
    max-width: 1000px;
    height: 95vh;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    position: relative;
    z-index: 1;
    animation: fadeInScale 0.5s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    gap: 12px;
    flex-wrap: nowrap;
    min-height: 60px;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-img {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.3);
    border: 2px solid rgba(139, 92, 246, 0.2);
    transition: all 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
}

.logo i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo span {
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.status {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    flex-shrink: 1;
    min-width: 0;
}

.dot {
    width: 8px;
    height: 8px;
    background-color: var(--success-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success-color);
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status button {
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.status button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

#knowledge-btn {
    color: var(--success-color);
    border-color: rgba(16, 185, 129, 0.3);
}

#knowledge-btn:hover {
    background: rgba(16, 185, 129, 0.1);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.2);
}

#settings-btn {
    color: var(--secondary-color);
    border-color: rgba(59, 130, 246, 0.3);
}

#settings-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.2);
}

#logout-btn {
    color: var(--error-color);
    border-color: rgba(239, 68, 68, 0.3);
}

#logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    box-shadow: 0 5px 15px rgba(239, 68, 68, 0.2);
}

main {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
main::-webkit-scrollbar {
    width: 8px;
}

main::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}

main::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 4px;
}

main::-webkit-scrollbar-thumb:hover {
    background: rgba(139, 92, 246, 0.5);
}

.message {
    display: flex;
    gap: 16px;
    max-width: 80%;
    animation: fadeInUp 0.4s ease-out;
}

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

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

.avatar {
    width: 42px;
    height: 42px;
    min-width: 42px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.message.user .avatar {
    background: var(--user-msg-bg);
    border-color: rgba(139, 92, 246, 0.3);
    color: white;
}

.message.system .avatar {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: #a78bfa;
}

.content {
    background: var(--system-msg-bg);
    padding: 16px 20px;
    border-radius: 20px;
    line-height: 1.6;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.message.user .content {
    background: var(--user-msg-bg);
    color: white;
    border: none;
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.3);
}

.message.system .content {
    background: rgba(255, 255, 255, 0.05);
}

.content:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.content p {
    margin-bottom: 8px;
}

.content p:last-child {
    margin-bottom: 0;
}

.content ul, .content ol {
    margin: 10px 0;
    padding-left: 24px;
}

.content li {
    margin: 6px 0;
}

.content a {
    color: var(--secondary-color);
    text-decoration: underline;
    transition: color 0.3s;
}

.content a:hover {
    color: #60a5fa;
}

.content code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.content pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 10px 0;
}

.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 0.9em;
}

.content table th,
.content table td {
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px;
}

.content table th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
}

/* Quick Prompts Menu */
.quick-prompts {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    max-height: 60vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-bottom: none;
    border-radius: 16px 16px 0 0;
    overflow-y: auto;
    z-index: 100;
    animation: slideUp 0.3s ease-out;
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
}

.quick-prompts.hidden {
    display: none;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.prompts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(139, 92, 246, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.prompts-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.prompts-header h3 i {
    color: var(--primary-color);
}

#close-prompts {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#close-prompts:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--error-color);
}

.prompts-categories {
    padding: 16px;
    display: grid;
    gap: 20px;
}

.prompt-category {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 16px;
}

.prompt-category h4 {
    margin: 0 0 12px 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.prompt-btn {
    display: block;
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.9rem;
    text-align: left;
    transition: all 0.3s ease;
}

.prompt-btn:last-child {
    margin-bottom: 0;
}

.prompt-btn:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateX(4px);
}

.prompt-btn:active {
    transform: translateX(2px) scale(0.98);
}

#prompts-toggle-btn {
    background: rgba(139, 92, 246, 0.15) !important;
    border-color: rgba(139, 92, 246, 0.3) !important;
    color: var(--primary-color) !important;
}

#prompts-toggle-btn.active {
    background: rgba(139, 92, 246, 0.3) !important;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

footer {
    position: relative;
    padding: 20px 24px;
    border-top: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.02);
}

.input-area {
    display: flex;
    gap: 12px;
    align-items: center;
}

.input-area button {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-area button:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.3);
    transform: scale(1.05);
}

.input-area button:active {
    transform: scale(0.95);
}

#voice-btn.recording {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: var(--error-color);
    animation: pulseRed 1.5s ease-in-out infinite;
}

/* Contador regresivo en el botón de voz */
#voice-btn.recording i[data-counter]::after {
    content: attr(data-counter);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    font-weight: 700;
    font-style: normal;
    font-family: 'Space Grotesk', monospace;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

#voice-btn.recording i {
    position: relative;
    display: inline-block;
}

#voice-btn {
    background: rgba(139, 92, 246, 0.1) !important;
    border-color: rgba(139, 92, 246, 0.2) !important;
    color: var(--primary-color) !important;
}

#voice-btn:hover {
    background: rgba(139, 92, 246, 0.25) !important;
    border-color: rgba(139, 92, 246, 0.4) !important;
}

@keyframes pulseRed {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}

/* Botón de cancelar grabación de voz */
#voice-cancel-btn {
    width: 46px;
    height: 46px;
    border: 2px solid rgba(239, 68, 68, 0.5);
    background: rgba(239, 68, 68, 0.15);
    border-radius: 12px;
    color: var(--error-color);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
    align-items: center;
    justify-content: center;
    margin-left: -4px;
    animation: slideInRight 0.3s ease-out;
}

#voice-cancel-btn:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.8);
    transform: scale(1.05);
}

#voice-cancel-btn:active {
    transform: scale(0.95);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Tool Suggestions */
.tool-suggestions {
    display: flex;
    gap: 8px;
    padding: 12px 20px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(167, 139, 250, 0.3) transparent;
}

.tool-suggestions::-webkit-scrollbar {
    height: 4px;
}

.tool-suggestions::-webkit-scrollbar-track {
    background: transparent;
}

.tool-suggestions::-webkit-scrollbar-thumb {
    background: rgba(167, 139, 250, 0.3);
    border-radius: 2px;
}

.tool-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(167, 139, 250, 0.3);
    border-radius: 20px;
    color: var(--text-color);
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.tool-chip:hover {
    background: rgba(167, 139, 250, 0.15);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(167, 139, 250, 0.2);
}

.tool-chip i {
    font-size: 1rem;
    color: var(--primary-color);
}

.tool-chip.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-color: transparent;
}

.tool-chip.active i {
    color: white;
}

/* Input Area */
#user-input {
    flex: 1;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    color: var(--text-color);
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: all 0.3s ease;
}

#user-input:focus {
    border-color: rgba(139, 92, 246, 0.5);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

#user-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

#send-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    box-shadow: 0 5px 20px rgba(139, 92, 246, 0.3);
}

#send-btn:hover {
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
    transform: scale(1.1);
}

.loading {
    opacity: 0.7;
}

.loading .content::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Responsive Design - Tablets y Móviles Grandes */
@media (max-width: 768px) {
    .app-container {
        max-width: 100%;
        height: 100vh;
        border-radius: 0;
    }

    header {
        padding: 12px 16px;
        gap: 8px;
        min-height: 56px;
    }

    .logo {
        font-size: 1.2rem;
        gap: 8px;
    }

    .logo-img {
        width: 32px;
        height: 32px;
    }

    .status {
        gap: 6px;
        font-size: 0.75rem;
    }
    
    .status .dot {
        display: none; /* Ocultar dot para ahorrar espacio */
    }
    
    .status > span:first-of-type {
        display: none; /* Ocultar "En línea" */
    }

    .status button {
        padding: 6px 10px;
        font-size: 0.8rem;
        gap: 4px;
    }

    .status button span {
        display: none; /* Solo iconos */
    }
    
    /* Token usage más compacto */
    .token-usage-monthly {
        min-width: 100px;
        padding: 4px 8px;
    }
    
    .token-usage-monthly .token-usage-text {
        font-size: 0.65rem;
    }

    main {
        padding: 12px;
        gap: 12px;
    }

    .message {
        max-width: 90%;
    }

    footer {
        padding: 12px 16px;
    }

    .input-area button {
        width: 42px;
        height: 42px;
    }

    #user-input {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 10px 12px;
        gap: 6px;
        min-height: 52px;
        flex-wrap: nowrap; /* NO permitir wrap */
    }

    .logo {
        font-size: 1.1rem;
        gap: 6px;
    }
    
    .logo-img {
        width: 28px;
        height: 28px;
    }

    .status {
        gap: 4px;
        justify-content: flex-end;
    }
    
    /* Ocultar token usage en móviles pequeños */
    .token-usage-monthly {
        display: none !important;
    }

    .status button {
        padding: 6px 8px;
        min-width: 36px;
    }
    
    .status button i {
        font-size: 0.9rem;
    }

    main {
        padding: 10px;
        gap: 10px;
    }

    .message {
        max-width: 95%;
    }

    .avatar {
        width: 32px;
        height: 32px;
        min-width: 32px;
        font-size: 0.9rem;
    }
    
    footer {
        padding: 10px 12px;
    }
    
    .input-area {
        gap: 8px;
    }
    
    #user-input {
        padding: 10px 14px;
    }

    .content {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
}

/* Token Usage Indicator - Versión en Header */
.token-usage-monthly {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 3px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    margin: 0 8px;
    min-width: 140px;
    transition: all 0.3s ease;
}

.token-usage-monthly:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
}

.token-usage-monthly .token-usage-text {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 400;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.token-usage-monthly:hover .token-usage-text {
    color: rgba(255, 255, 255, 0.75);
}

.token-usage-monthly .token-usage-progress {
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.token-usage-monthly .token-usage-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    transition: width 0.5s ease, background 0.3s ease, height 0.2s ease;
    opacity: 0.7;
}

.token-usage-monthly:hover .token-usage-fill {
    opacity: 1;
    height: 3px;
}

/* Warning color when approaching limit (80-99%) */
.token-usage-monthly .token-usage-fill.warning {
    background: linear-gradient(90deg, #f59e0b 0%, #f97316 100%);
}

/* Danger color when exceeding limit (100%+) */
.token-usage-monthly .token-usage-fill.danger {
    background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
}

.token-usage-monthly.warning .token-usage-text {
    color: rgba(245, 158, 11, 0.6);
}

.token-usage-monthly:hover.warning .token-usage-text {
    color: rgba(245, 158, 11, 0.95);
}

.token-usage-monthly.danger .token-usage-text {
    color: rgba(239, 68, 68, 0.6);
}

.token-usage-monthly:hover.danger .token-usage-text {
    color: rgba(239, 68, 68, 0.95);
}

/* Responsive - ocultar en móviles */
@media (max-width: 768px) {
    .token-usage-monthly {
        display: none;
    }
}