.spr-wrapper {
    max-width: 420px;
    margin: 48px auto;
    padding: 32px 30px;
    border-radius: 20px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.spr-form p {
    margin: 0 0 18px;
}

.spr-switch {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.spr-switch-btn {
    border: none;
    border-radius: 999px;
    padding: 10px 32px;
    font-weight: 600;
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}

.spr-panels {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.spr-panel {
    display: block;
}

.spr-form label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #0f172a;
}

.spr-form input[type='email'],
.spr-form input[type='password'] {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #cbd5f5;
    background: #f8fafc;
    font-size: 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.spr-form input[type='email']:focus,
.spr-form input[type='password']:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
    background: #ffffff;
}

.spr-form button {
    width: 100%;
    padding: 14px 0;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #ffffff;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    background: linear-gradient(120deg, #6366f1, #8b5cf6);
    box-shadow: 0 12px 20px rgba(99, 102, 241, 0.35);
}

.spr-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 25px rgba(99, 102, 241, 0.45);
}

.spr-form button:active {
    transform: translateY(0);
    box-shadow: 0 8px 14px rgba(99, 102, 241, 0.4);
}

.spr-message {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 14px;
}

.spr-message.spr-success {
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
}

.spr-message.spr-error {
    background: rgba(248, 113, 113, 0.15);
    color: #b91c1c;
}

.spr-form-tip {
    margin-top: -10px;
    color: #64748b;
    font-size: 13px;
}

.spr-form-tip-inline {
    margin-top: -8px;
    text-align: center;
}

.spr-lock {
    margin: 0;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(248, 113, 113, 0.18);
    border: 1px solid rgba(251, 113, 133, 0.4);
    color: #9f1239;
    font-size: 15px;
    text-align: center;
}

.spr-success-panel {
    text-align: center;
    padding: 24px 10px 10px;
}

.spr-success-title {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
}

.spr-success-desc {
    margin: 0 0 20px;
    color: #475569;
    font-size: 15px;
}

.spr-found-email {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 700;
    color: #1d4ed8;
}

.spr-success-action {
    display: flex;
    justify-content: center;
}

.spr-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 16px;
}

.spr-modal {
    position: relative;
    width: 100%;
    max-width: 360px;
    background: #ffffff;
    border-radius: 22px;
    padding: 32px 30px 28px;
    text-align: center;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.25);
}

.spr-modal-close {
    position: absolute;
    top: 14px;
    right: 16px;
    border: none;
    background: transparent;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: #94a3b8;
}

.spr-modal-title {
    margin: 0 0 10px;
    font-size: 20px;
    font-weight: 700;
    color: #111827;
}

.spr-modal-desc {
    margin: 0 0 22px;
    font-size: 15px;
    color: #475569;
}

.spr-modal-actions {
    display: flex;
    justify-content: center;
}

.spr-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 180px;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    color: #ffffff;
    background: #2563eb;
    box-shadow: 0 12px 20px rgba(37, 99, 235, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.spr-login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 24px rgba(37, 99, 235, 0.4);
}

@media (max-width: 520px) {
    .spr-wrapper {
        margin: 28px 16px;
        padding: 28px 22px;
    }
}