:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    background-image: radial-gradient(circle at 15% 50%, rgba(79, 70, 229, 0.05), transparent 25%), radial-gradient(circle at 85% 30%, rgba(14, 165, 233, 0.05), transparent 25%);
    color: var(--text-main);
    min-height: 100vh;
    padding: 2rem;
}

.app-container {
    max-width: 1200px;
    margin: 0 auto;
}

.app-header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.app-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #2563eb, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.app-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.main-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

input, select {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: all 0.2s ease;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

input:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.primary-btn {
    background: var(--primary);
    color: white;
}

.primary-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.secondary-btn {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.secondary-btn:hover {
    background: rgba(0, 0, 0, 0.1);
}

.report-section p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

#statusMessage {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
}

#statusMessage.success {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

#statusMessage.error {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.hidden {
    display: none;
}