:root {
    --primary: #E17055;      /* Sunset Orange */
    --primary-hover: #d16248;
    --secondary: #FAB1A0;
    --accent: #00B894;       /* Mint Green */
    --accent-error: #d63031; /* Red */
    --bg-base: #1A100A;      /* Dark brown/black */
    --bg-card: #2d1c13;      /* Card background */
    --border: rgba(250, 177, 160, 0.2);
    --text-main: #FDFEFE;
    --text-muted: #bda89f;
    
    --radius: 12px;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
}

.hidden { display: none !important; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1rem; }
.h-full { height: 100%; }
.min-h-\[200px\] { min-height: 200px; }
.w-full { width: 100%; }

/* Header */
.app-header {
    background: rgba(26, 16, 10, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.tabs { display: flex; gap: 8px; }
.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}
.tab-btn:hover { color: var(--text-main); background: rgba(255,255,255,0.05); }
.tab-btn.active { color: white; background: var(--border); }

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
}

.grid {
    display: grid;
    gap: 32px;
}
.grid.layout {
    grid-template-columns: 350px 1fr;
}
@media (max-width: 900px) {
    .grid.layout { grid-template-columns: 1fr; }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.card h2 { font-size: 1.25rem; margin-bottom: 24px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.subtitle { color: var(--text-muted); margin-bottom: 16px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; font-weight: 500; }
.form-group.row { display: flex; gap: 8px; }
.checkbox-wrap { display: flex; align-items: center; gap: 8px; }
.checkbox-wrap label { margin: 0; cursor: pointer; }
.checkbox-wrap input { width: 18px; height: 18px; cursor: pointer; accent-color: var(--primary); }

.input-text, .input-select, .input-code {
    width: 100%;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    color: white;
    padding: 10px 14px;
    border-radius: 8px;
    font-family: var(--font-sans);
    transition: border-color 0.2s;
}
.input-code { font-family: var(--font-mono); font-size: 0.9rem; resize: vertical; }
.input-text:focus, .input-select:focus, .input-code:focus { outline: none; border-color: var(--primary); }

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn:disabled { opacity: 0.7; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); transform: translateY(-1px); }

.spinner {
    width: 20px; height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Info Box */
.info-box {
    background: rgba(108, 92, 231, 0.1);
    border: 1px solid rgba(108, 92, 231, 0.2);
    padding: 12px;
    border-radius: 8px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 24px;
    color: #a29bfe;
}
.info-box svg { flex-shrink: 0; margin-top: 2px; }
.info-text { font-size: 0.85rem; line-height: 1.4; }
.info-text b { color: white; }

/* Response Area */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); border: 2px dashed var(--border); border-radius: 8px; }

.status-bar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: rgba(0,0,0,0.3); border-radius: 8px; }
.status-badge { padding: 4px 10px; border-radius: 20px; font-weight: 700; font-size: 0.9rem; }
.status-success { background: rgba(0, 184, 148, 0.1); color: var(--accent); border: 1px solid rgba(0, 184, 148, 0.2); }
.status-error { background: rgba(214, 48, 49, 0.1); color: var(--accent-error); border: 1px solid rgba(214, 48, 49, 0.2); }

.tabs-sm { display: flex; border-bottom: 1px solid var(--border); }
.tab-sm { background: transparent; border: none; padding: 10px 16px; color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent; font-weight: 500; font-family: inherit; }
.tab-sm.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-sm:hover:not(.active) { color: white; border-bottom-color: rgba(255,255,255,0.2); }

.code-block { background: rgba(0,0,0,0.4); border-radius: 8px; padding: 16px; overflow-x: auto; font-family: var(--font-mono); font-size: 0.85rem; color: #dfe6e9; border: 1px solid var(--border); }

/* Analysis Results */
.analysis-card { background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.analysis-header { display: flex; align-items: center; gap: 8px; font-weight: 600; margin-bottom: 8px; }
.analysis-icon.success { color: var(--accent); }
.analysis-icon.error { color: var(--accent-error); }
.analysis-icon.info { color: #0984e3; }
.analysis-desc { font-size: 0.9rem; color: #b2bec3; margin-bottom: 12px; }
.analysis-fix { background: rgba(225, 112, 85, 0.1); border-left: 3px solid var(--primary); padding: 10px 16px; border-radius: 0 4px 4px 0; font-size: 0.85rem; color: var(--secondary); }

/* Sim Eval Grid */
.eval-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Recipes */
.recipes-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.recipe-card { background: rgba(0,0,0,0.2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.recipe-header { background: rgba(255,255,255,0.05); padding: 12px 16px; font-weight: 600; font-size: 0.95rem; border-bottom: 1px solid var(--border); }
.recipe-card .code-block { border: none; border-radius: 0; margin: 0; }