:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --error: #ef4444;
    --success: #22c55e;
    --radius: 8px;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 600px; /* Mobile focused */
    margin: 0 auto;
    padding: 20px;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-align: center;
}

h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.875rem;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 0.875rem;
}

input, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    text-decoration: none;
    font-size: 1rem;
}

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

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #f1f5f9;
}

.alert {
    padding: 12px;
    background-color: #fee2e2;
    color: #991b1b;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.875rem;
    display: none;
}

/* Questionnaire Styles */
.question-block {
    margin-bottom: 24px;
}

.question-text {
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
}

.option-item:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

.option-item.selected {
    border-color: var(--primary);
    background-color: #eff6ff;
    color: var(--primary);
}

.option-input {
    margin-right: 12px;
}

/* Result Styles */
.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 24px auto;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    border: 4px solid var(--primary);
}

/* Admin Styles */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th, td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
}

.badge {
    padding: 4px 8px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef9c3; color: #854d0e; }

/* Utilities */
.hidden { display: none; }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }

@media (max-width: 480px) {
    .container {
        padding: 16px;
    }
    .card {
        padding: 16px;
    }
}