static/css/main.css

/* ============================================================================
   SNOWMAN AI - CSS Principal
   ============================================================================ */

/* Container principal */
.gradio-container {
    max-width: 1400px !important;
    margin: auto;
}

/* ============================================================================
   LANDING PAGE STYLES
   ============================================================================ */

/* Launch button - big centered button */
.launch-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    border: none !important;
    padding: 1.2rem 3rem !important;
    font-size: 1.2rem !important;
    font-weight: 700 !important;
    border-radius: 50px !important;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.5) !important;
    transition: all 0.3s ease !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    animation: pulse-glow 2s ease-in-out infinite !important;
    white-space: nowrap !important;
    max-width: 400px !important;
    margin: 0 auto !important;
}

/* Hidden Gradio button - invisible but still in DOM */
.launch-btn-hidden {
    position: absolute !important;
    left: -9999px !important;
    opacity: 0 !important;
    width: 1px !important;
    height: 1px !important;
}

.launch-btn:hover {
    transform: translateY(-2px) scale(1.02) !important;
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.6) !important;
    animation: none !important;
}

.launch-btn:active {
    transform: translateY(0) scale(0.98) !important;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
    }
    50% {
        box-shadow: 0 8px 40px rgba(102, 126, 234, 0.8);
    }
}

/* ============================================================================
   HEADER STYLES  
   ============================================================================ */

/* Header estilizado */
.header-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem !important;
    font-weight: 800 !important;
    text-align: center;
    margin-bottom: 0.5rem !important;
}

.header-subtitle {
    text-align: center;
    color: #64748b;
    font-size: 1.1rem;
    margin-bottom: 1.5rem !important;
}

/* Cards de estatísticas */
.stat-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
}

/* Badges de fonte */
.source-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 4px;
}

.badge-crossref { background: #dbeafe; color: #1e40af; }
.badge-semantic { background: #dcfce7; color: #166534; }
.badge-openalex { background: #fef3c7; color: #92400e; }
.badge-duckduckgo { background: #ffe4e6; color: #be123c; }
.badge-tavily { background: #f3e8ff; color: #7c3aed; }

/* Tabs customizadas */
.tabs > .tab-nav > button {
    font-weight: 600 !important;
    padding: 12px 24px !important;
    border-radius: 8px 8px 0 0 !important;
    transition: all 0.2s ease !important;
}

.tabs > .tab-nav > button.selected {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
}

/* Logs estilizados */
.logs-container textarea {
    font-family: 'JetBrains Mono', monospace !important;
    font-size: 0.85rem !important;
    background: #1e293b !important;
    color: #e2e8f0 !important;
    border-radius: 8px !important;
}

/* Status badges animados */
.status-processing {
    animation: pulse 2s infinite;
}

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

/* Dataframe melhorado */
.dataframe-container {
    border-radius: 12px;
    overflow: hidden;
}

/* Accordion melhorado */
.accordion {
    border-radius: 12px !important;
    overflow: hidden;
}

/* Progress bar */
.progress-bar {
    height: 8px !important;
    border-radius: 4px !important;
    background: linear-gradient(90deg, #667eea, #764ba2) !important;
}

/* Upload area */
.upload-area {
    border: 2px dashed #cbd5e1 !important;
    border-radius: 16px !important;
    background: #f8fafc !important;
    transition: all 0.3s ease !important;
}

.upload-area:hover {
    border-color: #667eea !important;
    background: #f0f4ff !important;
}

/* Feature cards */
.feature-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid #e2e8f0;
}

/* Botões de download */
.download-btn {
    transition: all 0.2s ease !important;
}

.download-btn:hover {
    transform: scale(1.02) !important;
}

/* Info boxes */
.info-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 4px solid #3b82f6;
    border-radius: 0 8px 8px 0;
    padding: 1rem;
    margin: 0.5rem 0;
}

/* Warning box */
.warning-box {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-left: 4px solid #f59e0b;
    border-radius: 0 8px 8px 0;
    padding: 1rem;
}

/* Success animation */
@keyframes success-bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.success-msg {
    animation: success-bounce 0.5s ease;
}

/* ============================================================================
   ANIMAÇÃO DO PIPELINE DE AGENTES
   ============================================================================ */

/* Container do pipeline */
.pipeline-container {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem 0;
}

/* Linha do pipeline */
.pipeline-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    padding: 1rem 0;
}

/* Linha conectora */
.pipeline-line {
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 3px;
    background: #334155;
    z-index: 1;
}

.pipeline-line-progress {
    position: absolute;
    top: 50%;
    left: 5%;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    z-index: 2;
    transition: width 0.5s ease;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

/* Nó do agente */
.agent-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 3;
    transition: all 0.3s ease;
}

.agent-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: #334155;
    border: 3px solid #475569;
    transition: all 0.3s ease;
    position: relative;
}

.agent-icon.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #a78bfa;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
    animation: pulse-glow 1.5s infinite;
}

.agent-icon.completed {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border-color: #4ade80;
    box-shadow: 0 0 15px rgba(34, 197, 94, 0.4);
}

.agent-icon.waiting {
    opacity: 0.5;
}

.agent-label {
    color: #94a3b8;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.agent-label.active {
    color: #a78bfa;
}

.agent-label.completed {
    color: #4ade80;
}

/* Animação de pulso */
@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 30px rgba(102, 126, 234, 0.8);
        transform: scale(1.05);
    }
}

/* Spinner de loading */
.agent-spinner {
    position: absolute;
    width: 70px;
    height: 70px;
    border: 3px solid transparent;
    border-top-color: #a78bfa;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Stats em tempo real */
.live-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.stat-box {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: #94a3b8;
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Indicador de etapa atual */
.current-step {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(167, 139, 250, 0.1) 100%);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
    text-align: center;
}

.current-step-text {
    color: #e2e8f0;
    font-size: 0.9rem;
}

.current-step-detail {
    color: #a78bfa;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}