:root {
    --bg: #ffffff;
    --text: #111827;
    --secondary: #6b7280;
    --primary: #2563eb;
    --border: #e5e7eb;
    --accent-bg: #f8fafc;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; font-size: 15px; line-height: 1.6; min-height: 100vh; }

.container { 
    width: 100%; 
    padding: 2rem; 
    max-width: 1000px; 
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    border-bottom: 1px solid var(--border); 
    padding-bottom: 1.5rem; 
    margin-bottom: 2rem; 
}

h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.04em; color: var(--text); }

.btn-upload { 
    background: var(--primary); 
    color: #fff; 
    border: none; 
    padding: 0.75rem 1.5rem; 
    border-radius: 10px; 
    font-weight: 600; 
    cursor: pointer; 
    font-size: 14px; 
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}
.btn-upload:hover { 
    background: #1d4ed8; 
    transform: translateY(-2px); 
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 16px;
    padding: 5rem 2rem;
    text-align: center;
    background: var(--accent-bg);
    margin: auto 0; /* Center vertically if container is flex */
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}
.drop-zone.drag-over {
    border-color: var(--primary);
    background: #eff6ff;
    transform: scale(1.01);
}
.drop-zone-content .icon { font-size: 3.5rem; display: block; margin-bottom: 1.5rem; filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1)); }
.drop-zone-content p { font-weight: 600; color: #1f2937; font-size: 1.125rem; }
.drop-zone-content .small { font-size: 0.9375rem; color: var(--secondary); margin-top: 0.75rem; font-weight: 400; }
.drop-zone-content .link { color: var(--primary); text-decoration: none; font-weight: 600; cursor: pointer; }
.drop-zone-content .link:hover { text-decoration: underline; }

.status-line { font-size: 0.875rem; color: var(--secondary); margin-top: 2rem; margin-bottom: 2rem; font-weight: 500; text-align: center; }

.content-area { display: flex; flex-direction: column; gap: 1.5rem; width: 100%; }

.log-block { border-left: 3px solid var(--border); padding: 1rem 1.5rem; color: var(--secondary); font-size: 0.9375rem; background: #fafafa; border-radius: 0 8px 8px 0; }
.log-block.accent { border-color: var(--primary); color: var(--text); font-weight: 500; background: #f0f7ff; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }

.result-block { border: 1px solid var(--border); padding: 2.5rem; border-radius: 20px; margin-top: 1rem; background: #fff; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.verdict-tag { display: inline-block; padding: 0.5rem 1.25rem; border-radius: 12px; font-weight: 800; font-size: 0.875rem; text-transform: uppercase; margin-bottom: 2rem; letter-spacing: 0.05em; }
.verdict-tag.endorse { background: #dcfce7; color: #166534; }
.verdict-tag.reject { background: #fee2e2; color: #991b1b; }

.markdown-body h1, .markdown-body h2 { margin-top: 2rem; margin-bottom: 1.25rem; font-size: 1.35rem; color: #111827; font-weight: 700; }
.markdown-body p { margin-bottom: 1.25rem; color: #374151; }
.markdown-body ul { margin-left: 1.75rem; margin-bottom: 1.25rem; }

.criteria-grid { display: grid; gap: 1.5rem; margin-top: 2.5rem; }
.criteria-card { border: 1px solid var(--border); padding: 1.5rem; border-radius: 14px; background: #fff; transition: transform 0.2s; }
.criteria-card:hover { transform: translateY(-2px); border-color: #d1d5db; }
.criteria-name { font-weight: 700; display: flex; justify-content: space-between; margin-bottom: 1rem; font-size: 1.1rem; color: #111827; }
.met { color: #059669; }
.fail { color: #dc2626; }