/* ==========================================================================
   START EXAM PAGE - PREMIUM LIGHT THEME (VIOLET & BLUE)
   ========================================================================== */

:root {
    --primary-color: #0F62FE; /* Royal Blue */
    --accent-color: #8A2BE2;  /* Violet */
    --bg-page: #f4f7fe;      /* Light attractive blue-grey */
    --bg-card: #ffffff;      /* Pure white card */
    --text-main: #1e293b;    /* Sleek slate for text */
    --text-muted: #64748b;   /* Muted state */
    --border-color: #e2e8f0;
    --radius: 20px;
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.registration-container {
    width: 100%;
    padding: 2rem;
    display: flex;
    justify-content: center;
}

.registration-card {
    background: var(--bg-card);
    width: 100%;
    max-width: 480px;
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(15, 98, 254, 0.08);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.registration-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

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

.registration-icon {
    width: 64px;
    height: 64px;
    background: rgba(138, 43, 226, 0.1);
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.registration-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.02em;
}

.registration-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.input-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.6rem;
    text-transform: capitalize;
}

.input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 0.9rem 1rem 0.9rem 3rem;
    font-size: 1rem;
    color: var(--text-main);
    background-color: #f8fafc;
    border: 2px solid #f1f5f9;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    background-color: #fff;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(138, 43, 226, 0.1);
}

.input-icon {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.form-input:focus + .input-icon {
    color: var(--accent-color);
}

.start-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.2);
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(138, 43, 226, 0.3);
    filter: brightness(1.1);
}

.form-footer {
    margin-top: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.form-footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}