:root {
    --bg-dark: #0d0e12;
    --bg-panel: rgba(20, 21, 28, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --primary: #8b5cf6; /* Roxo neon */
    --primary-glow: rgba(139, 92, 246, 0.4);
    --secondary: #3b82f6; /* Azul elétrico */
    --success: #10b981; /* Verde esmeralda */
    --danger: #ef4444;
    --glass-blur: blur(12px);
    --font-main: 'Outfit', sans-serif;
    --radius-lg: 16px;
    --radius-md: 8px;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    /* Adicionando um leve mesh gradient ao fundo */
    background-image: 
        radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Typography */
h1, h2, h3 { font-weight: 600; }
h1 span { color: var(--primary); }

/* Layout */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    height: 100vh;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.stats-area {
    display: flex;
    gap: 1.5rem;
}
.stat-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255,255,255,0.03);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}
.stat-badge .stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px;}
.stat-badge .stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-badge.isca .stat-value { color: var(--success); }
.stat-badge.venda .stat-value { color: var(--secondary); }

.status-area {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
}
.connection-status.online { color: var(--success); border: 1px solid var(--success); box-shadow: 0 0 10px rgba(16,185,129,0.2); }
.connection-status.online .indicator { background: var(--success); box-shadow: 0 0 8px var(--success); }
.connection-status.offline { color: var(--text-muted); }
.connection-status .indicator {
    width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted);
}

/* Main Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 450px;
    gap: 2rem;
    flex: 1;
    min-height: 0;
}

/* Sections */
.visualizer-section, .creator-section {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 1.5rem;
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.section-header h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
}
.icon {
    width: 20px; height: 20px;
    flex-shrink: 0;
    min-width: 20px;
}

/* Search */
.search-box input {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    outline: none;
    font-family: inherit;
    width: 250px;
    transition: all 0.3s;
}
.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

/* Trails List */
.trails-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-right: 0.5rem;
}
.trails-list::-webkit-scrollbar { width: 6px; }
.trails-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

.trail-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}
.trail-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    border-color: rgba(255,255,255,0.15);
}
.trail-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.keyword-badge {
    background: rgba(139, 92, 246, 0.2);
    color: #c4b5fd;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(139, 92, 246, 0.4);
}
.type-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}
.type-badge.isca { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.4); }
.type-badge.venda { background: rgba(59, 130, 246, 0.2); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.4); }

.trail-flow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(0,0,0,0.2);
    padding: 0.75rem;
    border-radius: 6px;
    flex-wrap: wrap;
    word-break: break-word;
}
.flow-arrow {
    color: var(--primary);
    opacity: 0.7;
}
.payload-text { font-family: monospace; color: #fcd34d; word-break: break-all; }

/* Forms */
.journey-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    overflow-y: auto;
    padding-right: 0.5rem;
}
.journey-form::-webkit-scrollbar { width: 4px; }
.journey-form::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

.form-row {
    display: flex;
    gap: 1rem;
}
.form-row .form-group { flex: 1; }
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}
.form-group input, .form-group select, .form-group textarea {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
    padding-right: 2.5rem;
}

.form-group select option {
    background: #1a1a24;
    color: var(--text-main);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary);
}
.form-group textarea {
    resize: vertical;
}
.divider {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-top: 0.5rem;
}
.conditional-fields {
    display: none;
    flex-direction: column;
    gap: 1.25rem;
    animation: fadeIn 0.3s;
}
.conditional-fields.active { display: flex; }

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    background: #7c3aed;
}
.btn-glow {
    box-shadow: 0 0 15px var(--primary-glow);
}
.btn-glow:hover {
    box-shadow: 0 0 25px var(--primary-glow);
}
.btn-secondary {
    background: rgba(255,255,255,0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}
.btn-icon {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    flex-shrink: 0;
}
.btn-icon:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-main);
}
.actions-area {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.modal-content {
    width: 90%;
    max-width: 400px;
    padding: 2rem;
    transform: translateY(20px);
    transition: transform 0.3s;
}
.modal-overlay.active .modal-content {
    transform: translateY(0);
}
.modal-content h2 { margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem;}
.modal-content p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.modal-content .form-group { margin-bottom: 1rem; }
.modal-content .btn { width: 100%; margin-top: 1rem;}

.large-modal {
    max-width: 800px;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.btn-close {
    background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer;
}

/* Code Preview */
.code-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}
.tab-btn {
    background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 0.5rem 1rem;
    font-family: inherit; font-size: 0.9rem; border-radius: 4px;
}
.tab-btn.active {
    background: rgba(139, 92, 246, 0.2); color: var(--primary);
}
.tab-content {
    display: none;
    background: rgba(0,0,0,0.5);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow-x: auto;
}
.tab-content.active { display: block; }
pre code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #e5e7eb;
}

/* Utils */
.spinner {
    width: 24px; height: 24px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
.loading-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    height: 100%; color: var(--text-muted); gap: 1rem;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 1024px) {
    .content-grid { grid-template-columns: 1fr; }
    .creator-section { min-height: 500px; }
    .app-container { height: auto; min-height: 100vh; padding: 1rem; }
    .visualizer-section { max-height: 500px; }
}

@media (max-width: 768px) {
    /* Otimizações de Performance (Celulares / 2G) */
    body {
        background-image: none !important;
        background-color: var(--bg-dark);
    }
    .glass-panel {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: #14151c; /* Cor sólida, sem blur */
        box-shadow: none !important;
    }
    
    .main-header {
        flex-direction: column;
        gap: 1.5rem;
        align-items: stretch;
        padding: 1.5rem 1rem;
    }
    .logo-area {
        justify-content: center;
    }
    .stats-area {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .stat-badge {
        flex: 1 1 calc(33.333% - 1rem);
        padding: 0.5rem;
    }
    .stat-badge .stat-label { font-size: 0.65rem; text-align: center; }
    .stat-badge .stat-value { font-size: 1.25rem; }
    
    .status-area {
        justify-content: center;
    }

    .visualizer-section, .creator-section {
        padding: 1rem;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .search-box input {
        width: 100%;
    }

    .form-row {
        flex-direction: column;
        gap: 1.25rem;
    }

    .actions-area {
        flex-direction: column;
    }
    
    .btn:not(.btn-icon) {
        width: 100%;
    }
    
    .trail-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}