/**
 * Candidate Assessment Portal Styles
 * Clean, distraction-free design
 */

:root {
    --primary-500: #7c3aed;
    --primary-600: #667eea;
    --primary-700: #5a67d8;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --success-500: #10b981;
    --success-600: #059669;
    --error-50: #fef2f2;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
    min-height: 100vh;
}

/* Layout */
.assess-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.assess-brand {
    margin-bottom: 2rem;
    text-align: center;
}

.assess-logo {
    height: 48px;
    width: auto;
}

.assess-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* Cards */
.assess-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 480px;
}

.assess-card-wide {
    max-width: 760px;
}

.assess-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.assess-card h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.assess-subtitle {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.assess-description {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Alerts */
.assess-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}

.assess-alert-error {
    background: var(--error-50);
    color: var(--error-600);
    border-left: 3px solid var(--error-500);
}

/* Forms */
.assess-form-group {
    margin-bottom: 1.25rem;
}

.assess-form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
}

.assess-form-group label .required {
    color: var(--error-500);
}

.assess-input {
    width: 100%;
    padding: 0.7rem 1rem;
    font-size: 1rem;
    color: var(--gray-800);
    background: white;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    transition: border-color 150ms ease, box-shadow 150ms ease;
    font-family: var(--font-sans);
}

.assess-input:focus {
    outline: none;
    border-color: var(--primary-600);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.assess-input-code {
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 0.15em;
    font-weight: 600;
    text-transform: uppercase;
}

.assess-input-sm {
    padding: 0.4rem 0.7rem;
    font-size: 0.875rem;
}

.assess-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--gray-800);
    background: white;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-family: var(--font-sans);
    resize: vertical;
    min-height: 120px;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.assess-textarea:focus {
    outline: none;
    border-color: var(--primary-600);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.assess-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Buttons */
.assess-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 150ms ease;
    font-family: var(--font-sans);
}

.assess-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.assess-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.assess-btn-full {
    width: 100%;
}

.assess-btn-lg {
    padding: 0.85rem 2rem;
    font-size: 1.05rem;
}

.assess-form-actions {
    margin-top: 2rem;
    text-align: center;
}