/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #131a3a;
    --bg-card: #1a2142;
    --text-primary: #ffffff;
    --text-secondary: #8b92b0;
    --accent-blue: #4f7cff;
    --accent-purple: #7c5cff;
    --accent-pink: #ff5c8d;
    --accent-green: #00d4aa;
    --border-color: #2a3454;
    --hover-bg: #212952;

    /* Platform colors */
    --instagram-gradient: linear-gradient(135deg, #f09433 0%, #dc2743 50%, #bc1888 100%);
    --tiktok-gradient: linear-gradient(135deg, #00f2ea, #ff0050);
    --youtube-red: #ff0000;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #1a1f3f 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    padding: 40px 0 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 32px;
}

.header-content {
    text-align: center;
}

.logo {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Dashboard Selection */
.dashboard-selection {
    padding: 60px 0;
}

.selection-title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text-primary);
}

.platform-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.platform-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.platform-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(79, 124, 255, 0.2);
}

.platform-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.instagram-icon {
    background: var(--instagram-gradient);
    color: white;
}

.tiktok-icon {
    background: var(--tiktok-gradient);
    color: white;
}

.youtube-icon {
    background: var(--youtube-red);
    color: white;
}

.platform-name {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.platform-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Back Button */
.back-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    margin-bottom: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-button:hover {
    background: var(--hover-bg);
    border-color: var(--accent-blue);
}

.tab-button.active[data-platform="instagram"] {
    box-shadow: 0 4px 12px rgba(225, 48, 108, 0.3);
}

.tab-button.active[data-platform="tiktok"] {
    box-shadow: 0 4px 12px rgba(0, 242, 234, 0.3);
}

.tab-button.active[data-platform="youtube"] {
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
}

.tab-button svg {
    width: 20px;
    height: 20px;
}

/* Dashboard Panels */
.dashboard-panel {
    display: none;
}

.dashboard-panel.active {
    display: block;
}

/* Loading State */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading p {
    margin-top: 16px;
    color: var(--text-secondary);
}

/* Error State */
.error {
    background: rgba(255, 92, 141, 0.1);
    border: 1px solid var(--accent-pink);
    color: var(--accent-pink);
    padding: 16px 24px;
    border-radius: 12px;
    margin: 20px 0;
    text-align: center;
}

/* Filters */
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.1);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(79, 124, 255, 0.15);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card.emotion-positive {
    border-color: var(--accent-green);
}

.stat-card.emotion-positive .stat-value {
    background: linear-gradient(135deg, var(--accent-green), #00b894);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card.emotion-neutral {
    border-color: var(--text-secondary);
}

.stat-card.emotion-negative {
    border-color: var(--accent-pink);
}

.stat-card.emotion-negative .stat-value {
    background: linear-gradient(135deg, var(--accent-pink), #ff3d71);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Table */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 32px;
}

.table-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

thead {
    background: var(--bg-secondary);
}

th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

td {
    padding: 14px 16px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: top;
}

tbody tr {
    transition: background 0.2s ease;
    cursor: pointer;
}

tbody tr:hover {
    background: var(--hover-bg);
}

/* Emotion badges */
.emotion-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}

.emotion-badge.positivo {
    background: rgba(0, 212, 170, 0.2);
    color: var(--accent-green);
}

.emotion-badge.neutro {
    background: rgba(139, 146, 176, 0.2);
    color: var(--text-secondary);
}

.emotion-badge.negativo {
    background: rgba(255, 92, 141, 0.2);
    color: var(--accent-pink);
}

.emotion-badge.apoyo {
    background: rgba(0, 212, 170, 0.2);
    color: var(--accent-green);
}

.emotion-badge.odio {
    background: rgba(255, 92, 141, 0.2);
    color: var(--accent-pink);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn:hover {
    background: var(--hover-bg);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
}

.btn-secondary {
    background: var(--bg-secondary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-card);
    margin: 2% auto;
    padding: 0;
    border-radius: 12px;
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.close {
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 30px;
    max-height: calc(90vh - 100px);
    overflow-y: auto;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .logo {
        font-size: 28px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .filters {
        grid-template-columns: 1fr;
    }

    .tabs {
        flex-direction: column;
    }

    .tab-button {
        justify-content: center;
    }

    table {
        font-size: 12px;
    }

    th,
    td {
        padding: 12px 8px;
    }
}

/* Chatbot Styles */
.chatbot-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 32px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.chatbot-header {
    background: var(--bg-secondary);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-icon {
    font-size: 24px;
}

.chatbot-title h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 4px;
    border-radius: 6px;
    transition: background 0.2s;
    color: var(--text-secondary);
}

.btn-icon:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

.chat-message {
    display: flex;
    flex-direction: column;
    max-width: 80%;
}

.chat-message.bot {
    align-self: flex-start;
}

.chat-message.user {
    align-self: flex-end;
}

.message-content {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-message.bot .message-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-top-left-radius: 4px;
    border: 1px solid var(--border-color);
}

.chat-message.user .message-content {
    background: var(--accent-blue);
    color: white;
    border-top-right-radius: 4px;
}

.chat-message.error .message-content {
    background: rgba(255, 92, 141, 0.2);
    color: var(--accent-pink);
    border: 1px solid var(--accent-pink);
}

/* Chatbot Styles to match Filters */
.chat-input-area {
    padding: 24px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
}

.chat-input-area input {
    flex: 1;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.chat-input-area input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(79, 124, 255, 0.1);
}

.chat-input-area button {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
}

/* Typing Indicator */
.typing-dots {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--text-secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) {
    animation-delay: 0s;
}

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

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

@keyframes typing {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0.6;
    }

    50% {
        transform: translateY(-4px);
        opacity: 1;
    }
}