:root {
    --bg-primary: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-indigo: #6366f1;
    --accent-hover: #4f46e5;
    --border-color: #334155;
    --success-green: #10b981;
    --radius: 12px;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 30px;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.brand-badge {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 20px;
}

.brand h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
}

.brand h1 span {
    color: var(--text-secondary);
    font-weight: 400;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 10px;
    height: 10px;
    background-color: var(--success-green);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
}

/* Container Principal */
.app-container {
    max-width: 1400px;
    margin: 24px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 24px;
    flex: 1;
    width: 100%;
}

@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
    }
}

/* Painéis */
.panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.panel-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 4px;
}

.panel-header p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.panel-subheader {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    margin-top: 8px;
}

.panel-subheader h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    color: #e2e8f0;
}

/* Formulários */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.flex-1 { flex: 1; }
.flex-2 { flex: 2; }

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #cbd5e1;
}

input[type="text"], input[type="url"], select, textarea {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

input[type="text"]:focus, input[type="url"]:focus, select:focus, textarea:focus {
    border-color: var(--accent-indigo);
}

textarea {
    resize: vertical;
    line-height: 1.5;
}

/* Upload de Imagem */
.image-upload-box {
    display: flex;
    gap: 8px;
}

.image-upload-box input {
    flex: 1;
}

.help-tip {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: -4px;
}

/* Botões */
button {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    color: #fff;
    padding: 14px 20px;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    margin-top: 5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background-color: var(--bg-input);
    color: #fff;
    padding: 10px 14px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #475569;
}

/* Aba e Ações */
.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 12px;
}

.tabs {
    display: flex;
    gap: 8px;
}

.tab-btn {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 16px;
    font-size: 0.9rem;
    border-radius: 6px;
}

.tab-btn.active {
    background-color: var(--bg-input);
    color: #fff;
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-action {
    background-color: var(--bg-input);
    color: #fff;
    padding: 8px 12px;
    font-size: 0.82rem;
    border: 1px solid var(--border-color);
}

.btn-action:hover {
    background-color: #475569;
}

.btn-save {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    color: #fff;
    border: none;
}

/* Subtabs no Código */
.code-subtabs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.subtab-btn {
    background: transparent;
    color: var(--text-secondary);
    padding: 6px 12px;
    font-size: 0.82rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.subtab-btn.active {
    background-color: var(--accent-indigo);
    color: #fff;
    border-color: var(--accent-indigo);
}

/* Conteúdo das Abas */
.tab-content {
    display: none;
    flex: 1;
    min-height: 550px;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
}

.preview-frame-wrapper {
    width: 100%;
    height: 100%;
    min-height: 650px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

#codeOutput {
    width: 100%;
    height: 100%;
    min-height: 600px;
    background-color: #090d16;
    color: #38bdf8;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.85rem;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--success-green);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 9999;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}