:root {
    --bg-primary: #0a0a0b;
    --bg-secondary: #131316;
    --bg-tertiary: #1a1a1f;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: #2563EB;
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --accent-blue: #2563EB;
    --accent-blue-dark: #1D4ED8;
    --error-red: #EF4444;
    --success-green: #10B981;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.06);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0a0a0b 0%, #131316 50%, #1a1a1f 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 20px;
}

.form-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.6s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #2563EB 0%, #60A5FA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 400;
}

.interview-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

input[type="text"],
input[type="number"],
select,
textarea {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s ease;
    outline: none;
    width: 100%;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: var(--bg-secondary);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2371717a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

select option {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.consent-group {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    min-width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s ease;
    margin-top: 2px;
}

.checkbox-label input:checked ~ .checkmark {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.checkbox-label input:checked ~ .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-text a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.checkbox-text a:hover {
    color: #60A5FA;
}

.submit-button {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button.loading .button-text {
    visibility: hidden;
}

.submit-button.loading .button-loader {
    display: flex;
}

.button-loader {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.error-message {
    font-size: 13px;
    color: var(--error-red);
    display: none;
    margin-top: 4px;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error-red);
}

.form-group.error .error-message {
    display: block;
}

.success-message {
    text-align: center;
    padding: 40px 0;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.success-message svg {
    margin-bottom: 24px;
}

.success-message h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--success-green);
}

.success-message p {
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .container {
        padding: 20px 16px;
    }
    
    .form-wrapper {
        padding: 32px 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 28px;
    }
    
    .logo-text {
        font-size: 18px;
    }
}