/* ==========================================================================
   Public Student Registration — standalone, professional theme
   Shares the brand palette used on the public home page.
   ========================================================================== */

:root {
    --pr-primary: #1a237e;
    --pr-primary-light: #3949ab;
    --pr-secondary: #ff6f00;
    --pr-accent: #ffd600;
    --pr-dark: #0d1137;
    --pr-light-bg: #f4f6fb;
    --pr-success: #198754;
    --pr-danger: #dc3545;
    --pr-radius: 14px;
}

body.pr-body {
    background: var(--pr-light-bg);
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    color: #1f2430;
}

/* ---------- Top brand bar ---------- */
.pr-navbar {
    background: linear-gradient(135deg, var(--pr-dark) 0%, var(--pr-primary) 100%);
    padding: 14px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}
.pr-navbar .pr-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
}
.pr-navbar .pr-brand img {
    height: 44px;
    width: 44px;
    object-fit: contain;
    background: #fff;
    border-radius: 50%;
    padding: 3px;
}
.pr-navbar .pr-brand-text h1 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}
.pr-navbar .pr-brand-text small {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.75);
}
.pr-navbar .pr-badge-secure {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 30px;
    padding: 6px 16px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ---------- Page wrap ---------- */
.pr-page-wrap {
    max-width: 1040px;
    margin: 0 auto;
    padding: 32px 16px 60px;
}

/* ---------- Access gate ---------- */
.pr-gate-wrap {
    min-height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 0;
}
.pr-gate-card {
    background: #fff;
    border-radius: var(--pr-radius);
    box-shadow: 0 15px 50px rgba(13, 17, 55, 0.12);
    padding: 46px 40px;
    max-width: 460px;
    width: 100%;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.04);
}
.pr-gate-icon {
    width: 78px;
    height: 78px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pr-primary), var(--pr-primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 8px 24px rgba(26, 35, 126, 0.3);
}
.pr-gate-card h3 {
    font-weight: 700;
    color: var(--pr-dark);
    margin-bottom: 8px;
}
.pr-gate-card p.text-muted {
    font-size: 0.92rem;
}
.pr-code-input {
    letter-spacing: 3px;
    font-weight: 600;
    text-transform: uppercase;
}
.pr-code-input:focus {
    border-color: var(--pr-primary-light);
    box-shadow: 0 0 0 0.2rem rgba(57, 73, 171, 0.2);
}
.pr-gate-footer {
    margin-top: 22px;
    font-size: 0.8rem;
    color: #8a8f9c;
}

/* ---------- Form header ---------- */
.pr-form-header {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}
.pr-form-header h1 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--pr-dark);
    margin-bottom: 4px;
}
.pr-form-header p {
    color: #666;
    margin: 0;
    font-size: 0.92rem;
}
.pr-session-badge {
    background: linear-gradient(135deg, var(--pr-primary), var(--pr-primary-light));
    color: #fff;
    padding: 8px 18px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 0.82rem;
    box-shadow: 0 4px 14px rgba(26, 35, 126, 0.25);
}

/* ---------- Main card ---------- */
.pr-card {
    border: none;
    border-radius: var(--pr-radius);
    box-shadow: 0 10px 40px rgba(13, 17, 55, 0.08);
    overflow: hidden;
}
.pr-card > .card-body {
    padding: 34px;
}
@media (max-width: 576px) {
    .pr-card > .card-body { padding: 20px; }
}

.pr-card h4 {
    font-weight: 700;
    color: var(--pr-dark);
    border-left: 4px solid var(--pr-secondary);
    padding-left: 12px;
    margin-bottom: 22px !important;
}

.pr-card .form-label {
    font-weight: 600;
    font-size: 0.86rem;
    color: #3a3f4b;
}
.pr-card .form-control,
.pr-card .form-select {
    border-radius: 9px;
    border-color: #dfe3ec;
    padding: 10px 14px;
}
.pr-card .form-control:focus,
.pr-card .form-select:focus {
    border-color: var(--pr-primary-light);
    box-shadow: 0 0 0 0.2rem rgba(57, 73, 171, 0.15);
}

/* ---------- Enhanced stepper ---------- */
.pr-card .stepper { margin-bottom: 2.4rem; }
.pr-card .step-circle {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
.pr-card .step-circle.active {
    border-color: var(--pr-primary) !important;
    background: var(--pr-primary) !important;
    box-shadow: 0 0 0 5px rgba(26, 35, 126, 0.15) !important;
}
.pr-card .step-circle.done {
    border-color: var(--pr-success) !important;
    background: var(--pr-success) !important;
}
.pr-card .step-label.active { color: var(--pr-primary) !important; }
.pr-card .stepper-progress { background: var(--pr-primary) !important; }

/* ---------- Buttons ---------- */
.pr-card .btn,
.pr-gate-card .btn {
    border-radius: 30px;
    font-weight: 600;
    padding: 11px 30px;
    transition: all 0.25s ease;
    border: none;
}
#nextBtn, #unlockBtn, .pr-btn-primary {
    background: linear-gradient(135deg, var(--pr-primary), var(--pr-primary-light));
    color: #fff;
    box-shadow: 0 6px 18px rgba(26, 35, 126, 0.3);
}
#nextBtn:hover, #unlockBtn:hover, .pr-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(26, 35, 126, 0.4);
    color: #fff;
}
#prevBtn {
    background: #fff;
    color: #555;
    border: 2px solid #dfe3ec !important;
}
#prevBtn:hover {
    background: #f1f3f8;
    transform: translateY(-1px);
}
#submitBtn {
    background: linear-gradient(135deg, var(--pr-success), #2fb372);
    color: #fff;
    box-shadow: 0 6px 18px rgba(25, 135, 84, 0.35);
}
#submitBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(25, 135, 84, 0.45);
    color: #fff;
}
.pr-card .btn-outline-primary,
.pr-card .btn-outline-secondary {
    border-radius: 20px;
    font-weight: 500;
}
.pr-card .btn-success.otp-verify-btn,
.pr-card #verifyOtpStudent,
.pr-card #verifyOtpParent,
.pr-card #verifyOtpEmail {
    border-radius: 20px;
}

/* ---------- Success / error banners ---------- */
.pr-page-wrap .alert {
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* ---------- Footer ---------- */
.pr-footer {
    text-align: center;
    padding: 26px 16px 40px;
    color: #8a8f9c;
    font-size: 0.82rem;
}
.pr-footer a { color: var(--pr-primary-light); text-decoration: none; }
.pr-footer a:hover { text-decoration: underline; }